- **24‑Position I/O Module Rack:** Accommodates up to 24 Grayhill‑style or Opto‑22‑compatible I/O modules, enabling flexible configuration of input and output combinations. - **DIN Rail Mounting:** Designed for standard DIN rail installation, simplifying integration into industrial control panels and enclosures. - **Isolated I/O Capability:** Each module position provides electrical isolation between field signals and logic circuitry, enhancing system reliability and protecting host equipment from transients and noise. - **Universal Module Support:** Compatible with DC input, DC output, AC input, and AC output modules, allowing mixed‑signal configurations on a single board. - **50‑Pin Opto‑22‑Compatible Connector:** Provides a direct interface to ADLINK DAQ cards (e.g., ACL‑7122, ACL‑7124, PCI‑7248, PCI‑7296) or other Opto‑22‑standard devices. - **Logic Power Supply Interface:** Dedicated logic supply terminals provide regulated power for module operation. - **Field Terminal Blocks:** Integrated terminal blocks simplify field wiring and signal distribution to external devices. - **High Isolation Voltage:** Designed to maintain robust isolation between logic and field sides, ensuring safe operation in electrically noisy environments. - **Modular Expansion:** Enables scalable I/O expansion for industrial automation, process control, and data acquisition systems.

Manufacturer: Adlink Technology Inc.

Category: Digital Panels

- **24‑Channel Modular Design:** Supports up to 24 Grayhill I/O modules, allowing flexible configuration of input and output combinations (DC input, DC output, AC input, AC output). - **Isolated Termination Board:** Provides electrical isolation between field signals and control logic, enhancing system reliability and noise immunity. - **Opto‑22 Compatible Interface:** Equipped with a 50‑pin straight header connector compatible with Opto‑22 standard pinouts, ensuring seamless integration with ADLINK DAQ and DIO cards such as ACL‑7122, ACL‑7124, PET‑48DIO, PCI‑7248, and PCI‑7296. - **DIN‑Rail Mounting:** Compact DIN‑rail form factor for industrial control cabinets and automation panels. - **LED Status Indicators:** Each channel includes LED indicators for visual monitoring of input/output states. - **High Isolation Voltage:** Provides up to 5000 Vrms isolation (depending on model variant) between channels and logic circuitry. - **Flexible Power Supply Options:** Supports logic supply for module operation and external field wiring connections. - **Comprehensive Compatibility:** Designed for use with ADLINK NuDAQ, NuDAM, and other Opto‑22 compatible systems. - **Rugged Industrial Construction:** Built for long‑term reliability in industrial automation, process control, and data acquisition environments.

Manufacturer: Adlink Technology Inc.

Category: Digital Panels

- **4 Isolated Digital Inputs and 4 Power Relay Outputs:** Provides four optically isolated digital input channels and four relay output channels for flexible control and monitoring. - **High Isolation Protection:** Each input channel features 3750 Vrms optical isolation to protect against high-voltage transients and ground potential differences. - **Dual Communication Protocols:** Supports both ASCII and Modbus RTU protocols for versatile integration with various control systems. - **Wide Baud Rate Range:** Configurable communication speeds from 1.2 kbps to 115.2 kbps. - **Counter Functionality:** Each digital input can function as an independent counter channel with a frequency capability of up to 100 Hz. - **Dual Watchdog System:** Includes both hardware and software watchdogs to ensure continuous operation and automatic recovery from communication or system faults. - **LED Indicators:** Individual LEDs for each channel and power status provide real-time visual feedback. - **Flexible Mounting Options:** Supports both DIN rail and panel mounting for easy installation in control cabinets. - **User-Friendly Configuration:** External DIP switch allows quick selection between Modbus RTU and ASCII modes, as well as reset to factory defaults and self-test mode. - **Surge Protection:** RS-485 communication lines are protected against surge and transient voltages. - **Power Supply Flexibility:** Accepts DC power via screw terminal or external DC adapter. - **Compact and Durable Design:** Industrial-grade enclosure with screw terminal connectors for secure wiring.

Manufacturer: Trycom

Category: Ethernet / USB / RS485 / RS232 Modbus IO

- **Four Isolated Analog Output Channels:** Provides four independent DA output channels, each isolated to prevent interference and ensure signal integrity. - **High Resolution and Sampling Rate:** 12-bit resolution with a maximum conversion rate of 40 kS/s per channel, suitable for precise analog signal generation. - **Dual Output Modes:** Supports both voltage (0–5 V) and current (4–20 mA) output modes, enabling flexible interfacing with a wide range of industrial sensors, actuators, and control systems. - **No External Power Required:** The card operates directly from the host PC’s bus power, simplifying installation and reducing wiring complexity. - **Bus Isolation:** Provides up to **350 Vrms** isolation between the PC bus and the analog output circuitry, enhancing safety and reducing noise coupling. - **Opto-Isolated Digital I/O:** Includes **2 or 4 TTL-level digital input/output lines** with **5 kV optical isolation**, allowing safe interfacing with external control signals. - **Standard Connector Interface:** Equipped with a **D-type 37-pin female connector** for easy connection to external devices and signal conditioning modules. - **Compact PCB Design:** Dimensions of **160 mm × 122 mm**, suitable for standard PC expansion slots and compact industrial enclosures. - **Industrial-Grade Reliability:** Designed for continuous operation in demanding environments, with robust isolation and noise immunity.

Manufacturer: Contec

Category: D/A Isolated ISA

- **4 Isolated Digital Inputs and 4 AC Relay Outputs:** Provides four optically isolated digital input channels (±0–30V DC) and four relay outputs rated up to 5A/250V AC. - **Multi-Protocol Support:** Automatically detects and supports **TRP-ASCII**, **Modbus RTU**, and **Modbus ASCII** communication protocols for flexible integration. - **Ethernet Connectivity:** Equipped with an **RJ45 Ethernet interface** supporting **Modbus TCP/IP** and **Virtual-COM** operation modes. - **Pair Mode Operation:** Enables direct remote control between two TRP-C28H modules without PC or software intervention. - **Web-Based Configuration:** Built-in web server allows configuration and monitoring via any web browser on PC, tablet, or smartphone. - **High Isolation and Reliability:** Optical isolation of **3750 Vrms** on digital inputs and **4000V surge strength** on relays ensures robust operation in harsh industrial environments. - **Watchdog and Heartbeat Functions:** Built-in watchdog prevents system hang-ups; heartbeat function maintains reliable TCP communication by sending periodic keep-alive signals. - **Flexible Power Input:** Accepts **DC +10V to +30V** via screw terminal or DC jack (5.5×2.1 mm). - **Auto-MDIX Ethernet Port:** Supports automatic crossover detection and correction for simplified network cabling. - **LED Indicators:** Power, link, and individual I/O channel status LEDs provide clear visual feedback. - **DIN-Rail and Panel Mounting:** Supports both mounting options for versatile installation in control cabinets or panels. - **Firmware Upgradeable:** Firmware can be updated via the Internet or Trycom Device Manager utility.

Manufacturer: Trycom

Category: Modbus Digital

- **48 Isolated Digital Outputs:** Provides 48 individually isolated open-collector outputs for flexible control of external devices. - **High Isolation Voltage:** Offers up to **2.5 kV DC isolation** between channels and system logic, ensuring protection against electrical surges and ground loops. - **External Power Supply Support:** Operates with an external supply voltage from **+5 V to +24 V**, allowing compatibility with a wide range of industrial actuators and signal levels. - **High Output Current Capacity:** Each output channel supports up to **100 mA**, suitable for driving relays, LEDs, solenoids, and other low-power loads. - **Fast Throughput Time:** Achieves a **throughput time of 0.1 ms**, enabling rapid signal switching and precise timing control in real-time applications. - **Open-Collector Output Design:** Provides flexible interfacing with various load types and voltage levels, simplifying integration into existing systems. - **Compact Form Factor:** The card measures **320 mm x 99 mm**, optimized for rack or enclosure installation in industrial PCs or control cabinets. - **Dual 50-Pin Connectors:** Equipped with **two 50-pin connectors** for efficient signal routing and simplified wiring to external devices. - **Industrial-Grade Reliability:** Designed for continuous operation in harsh industrial environments, with robust isolation and durable construction.

Manufacturer: Axiom

Category: DIO Isolated ISA

- **High Channel Density:** 64 isolated digital input channels, enabling large-scale signal acquisition within a single expansion slot. - **Optical Isolation:** Each input channel is optically isolated, providing up to 3.5 kV isolation protection between field signals and the host system, safeguarding against voltage surges and ground loops. - **Wide Input Voltage Range:** Accepts digital input signals from 5 VDC to 24 VDC, compatible with a wide variety of industrial sensors, switches, and logic-level devices. - **Selectable Power Source:** Supports both internal and external power supply configurations, allowing flexible integration into different system architectures. - **ISA/AT Bus Interface:** Designed for legacy and industrial PC systems using the AT (ISA) bus standard, ensuring compatibility with existing control platforms. - **Interrupt Support:** Configurable interrupt request (IRQ) lines from IRQ2 to IRQ15, enabling event-driven data acquisition and efficient CPU utilization. - **Compact Half-Size Form Factor:** Fits into standard half-size ISA slots, optimizing space utilization in control cabinets or embedded PC systems. - **Dual Connector Interface:** Equipped with one D-sub connector and one flat cable connector for flexible wiring and easy integration with external terminal boards or signal conditioning modules. - **Industrial-Grade Design:** Rugged construction and high isolation make it suitable for harsh industrial environments with electrical noise, vibration, or temperature variations.

Manufacturer: Axiom

Category: DIO Isolated ISA

- **64 Isolated Digital Channels:** Provides 32 optically isolated digital inputs and 32 isolated open-collector digital outputs for flexible control and monitoring applications. - **Wide Voltage Range:** Supports external power supply input from +5 VDC to +24 VDC, allowing compatibility with a variety of industrial logic levels and field devices. - **High Isolation Voltage:** 3.5 kV isolation between field I/O and system logic ensures protection against transient voltages and electrical interference. - **High Output Drive Capability:** Each output channel can sink up to 500 mA, suitable for driving relays, solenoids, lamps, and other actuators. - **Open-Collector Outputs:** Provides flexible interfacing with external loads and allows for mixed-voltage operation across channels. - **Interrupt Support:** Configurable interrupt request lines (IRQ2–IRQ15) enable event-driven operation and efficient CPU utilization. - **Compact Half-Size AT/ISA Form Factor:** Fits standard PC/AT industrial computers and embedded control systems with limited space. - **Dual Connector Interface:** Equipped with one D-sub connector and one flat cable connector for convenient wiring and integration. - **Industrial-Grade Design:** Built for reliability in harsh environments, with robust isolation, noise immunity, and long-term operational stability.

Manufacturer: Axiom

Category: DIO Isolated ISA

- **64 Isolated Digital Outputs:** Provides 64 independent digital output channels for controlling external devices such as relays, actuators, indicators, and solenoids. - **High Isolation Voltage:** Each channel is electrically isolated up to **3.5 kV**, ensuring protection against voltage surges, ground loops, and electrical noise. - **Wide Output Voltage Range:** Supports external power supply voltages from **+5 VDC to +24 VDC**, allowing flexible integration with various industrial control voltages. - **Open Collector Outputs:** Each output channel uses an open collector transistor configuration, enabling direct interfacing with external loads and providing sink-type output control. - **High Output Current Capacity:** Each channel can handle up to **500 mA**, suitable for driving medium-power loads directly without additional amplification. - **External Power Supply Support:** The card uses an external power source for output driving, reducing the load on the host system and improving electrical isolation. - **Compact Half-Size ISA Form Factor:** Designed for space-constrained systems, the half-size AT/ISA card fits easily into standard industrial PC chassis. - **Dual Connector Interface:** Equipped with one D-sub connector and one flat cable connector for flexible wiring and easy integration into existing systems. - **Industrial-Grade Design:** Built for long-term reliability in harsh environments, with robust PCB design, high-quality components, and strong electrical isolation.

Manufacturer: Axiom

Category: DIO Isolated ISA

- **8 Isolated Digital Inputs and 8 Open-Collector Outputs:** Each input and output channel is optically isolated to 3750 Vrms, ensuring electrical protection and noise immunity. - **Dual Communication Protocols:** Supports both **ASCII** and **Modbus RTU** protocols for flexible integration with various control systems and SCADA platforms. - **Wide Baud Rate Range:** Configurable communication speeds from **1.2 kbps to 115.2 kbps**, compatible with most RS485 networks. - **Counter Functionality:** All 8 digital input channels can function as **16-bit counters** (0–65535 dec / 0000–FFFF hex) with a maximum counting frequency of **100 Hz**. - **Dual Watchdog System:** Includes both **hardware and software watchdogs** to ensure continuous operation and automatic recovery from communication or system faults. - **LED Indicators:** Individual LEDs for each channel display real-time input/output status, plus a power LED for system monitoring. - **Flexible Mounting Options:** Supports **DIN rail** and **panel mounting**, suitable for control cabinets and industrial enclosures. - **Surge and Isolation Protection:** 3750 Vrms isolation on I/O channels and surge protection on RS485 lines safeguard against voltage spikes and ground potential differences. - **User-Friendly Configuration:** External **DIP-switch** allows quick selection between Modbus RTU and ASCII modes, self-test activation, and reset to factory defaults. - **Power Supply Flexibility:** Operates from a wide DC input range via **screw terminal** or **external DC adapter** connection.

Manufacturer: Trycom

Category: Ethernet / USB / RS485 / RS232 Modbus IO

- **Dual‑Function I/O:** 8 optically isolated digital inputs and 8 open‑collector digital outputs. - **High Isolation Protection:** 3750 Vrms optical isolation between input channels and logic circuitry. - **USB 2.0 Interface:** Built‑in USB‑to‑serial bridge providing plug‑and‑play connectivity; automatically enumerates as a virtual COM port. - **Protocol Support:** Fully compatible with ASCII and Modbus RTU protocols for flexible integration with industrial control systems. - **Counter Functionality:** Each digital input can function as a 16‑bit counter (0–65535 dec / 0000–FFFF hex) with a maximum counting frequency of 100 Hz. - **Dual Watchdog System:** Hardware watchdog for module self‑recovery and software watchdog for host communication monitoring. - **Status Indication:** Individual LED indicators for each channel and power status. - **Configuration & Self‑Test:** External DIP‑switch for protocol selection, configuration reset, and self‑test mode activation. - **Power Supply:** Directly powered from the USB port (no external power required). - **Mounting Flexibility:** Supports both DIN‑rail and panel mounting. - **Cross‑Platform Driver Support:** Compatible with Windows (98/ME/2000/XP/Vista/7/8.1/CE5.0–7.0), Linux, Mac OS, and Android. - **Rugged Industrial Design:** Compact metal enclosure with screw‑terminal connectors supporting AWG #12–32 wiring.

Manufacturer: Trycom

Category: Ethernet / USB / RS485 / RS232 Modbus IO

- **Eight Isolated Analog Output Channels:** Provides 8 independent digital-to-analog (DA) outputs, each capable of generating precise voltage or current signals. - **12-bit Resolution:** Delivers fine granularity and accuracy in analog signal generation, suitable for control and simulation applications. - **Sampling Rate up to 40 kS/s:** Supports high-speed output updates for dynamic signal generation and real-time control. - **Voltage and Current Output Modes:** Each channel can output either 0–5 V or 4–20 mA signals, making it compatible with a wide range of industrial sensors, actuators, and control systems. - **No External Power Supply Required:** The card draws power directly from the PC bus, simplifying installation and reducing wiring complexity. - **Bus Isolation up to 350 Vrms:** Provides galvanic isolation between the PC bus and analog output circuitry, protecting both the host system and connected devices from voltage surges and ground loops. - **Opto-Isolated Digital I/O:** Includes 2 or 4 TTL-level digital input/output lines with optical isolation rated up to 5 kV, ensuring safe interfacing with external control signals. - **Standard D-Sub 37-pin Female Connector:** Facilitates easy connection to external devices and wiring harnesses using a widely available connector type. - **Compact Form Factor:** Measures 160 mm × 122 mm, suitable for installation in standard PC slots or industrial enclosures. - **Industrial-Grade Design:** Engineered for reliability, noise immunity, and long-term operation in harsh environments.

Manufacturer: Contec

Category: D/A Isolated ISA

- **8 Optically Isolated Digital Inputs (DI):** Each input channel is optically isolated to protect control electronics from voltage spikes, ground loops, and electrical noise. - **8 Relay-Based Digital Outputs (DO):** The output section consists of eight independent relays capable of switching external loads, providing galvanic isolation between control and load circuits. - **Adjustable Switching Threshold:** The input switching threshold can be configured between **3 V DC and 24 V DC**, allowing compatibility with various logic levels and sensor signal voltages. - **LED Status Indicators:** Each input and output channel is equipped with an LED indicator for real-time visual monitoring of signal and relay states, simplifying diagnostics and system verification. - **Dual 12-Pin Terminal Blocks:** The panel features **2 × 12 double terminal connectors** for secure and organized wiring of input and output signals. - **Standard 50-Pin Ribbon Cable Interface:** The module connects to control systems or I/O cards via a **1-meter flat ribbon cable** terminated with a **50-pin connector**, ensuring quick and reliable installation. - **Compact Form Factor:** With dimensions of **220 × 132 × 15 mm**, the AX757 offers a space-efficient solution for control cabinets and panel installations. - **Electrical Isolation:** Full galvanic isolation between input, output, and control circuits enhances system safety and prevents interference. - **Industrial-Grade Design:** Built for durability and long-term operation in demanding environments, with robust mechanical construction and high-quality components.

Manufacturer: Axiom

Category: Digital Panels

- **Eight Isolated Differential Input Channels:** Each channel is independently isolated, preventing ground loops and cross‑channel interference. - **Wide Input Range:** ±10 V nominal input range suitable for general‑purpose analog measurement. - **Selectable Gain Settings:** Jumper‑selectable gain factors of ×1, ×25, or ×200 allow flexible scaling of input signals for low‑level or high‑level voltage sources. - **High Isolation Voltage:** 500 V DC isolation between input and output, and between channels, ensuring safe operation in noisy or high‑potential environments. - **Integrated Cold Junction Compensation (CJC):** One built‑in CJC circuit supports thermocouple measurement applications. - **Cascadable Design:** Two ATII‑8A boards can be cascaded to expand the number of isolated channels to 16. - **High Bandwidth:** 60 kHz (–3 dB) analog bandwidth supports dynamic signal measurement and fast‑changing analog inputs. - **Standardized Connectors:** Equipped with two D‑sub female connectors for easy connection to CONTEC analog input boards and external wiring. - **Compact Form Factor:** 230 mm × 105 mm panel size suitable for installation in measurement racks or control panels. - **Compatibility:** Designed for CONTEC E‑series analog input boards such as AD12‑16E, AD12‑16U(PCI), and AD12‑16U(ISA). - **Industrial‑Grade Isolation Amplifiers:** Utilizes precision isolation amplifiers to maintain signal integrity across isolated domains. - **Noise Immunity:** Ideal for environments with high electrical noise, preventing interference between measurement channels and the host PC.

Manufacturer: Contec

Category: Analog Panels

- **8 Isolated Analog Input Channels:** Each channel supports voltage or current input with configurable ranges (±650 mV, ±1.25 V, ±2.5 V, ±5 V, ±10 V, ±20 mA). - **High‑Resolution Conversion:** 24‑bit resolution at 10 samples/s (Normal Mode) or 16‑bit resolution at 60 samples/s (Fast Mode). - **Wide Communication Range:** RS‑485 interface supporting baud rates from 1.2 kbps to 115.2 kbps. - **Protocol Flexibility:** Supports both ASCII and Modbus RTU communication protocols for easy integration with PLCs, SCADA, and PC‑based systems. - **Electrical Isolation:** 3750 Vrms photo‑isolation between analog and digital sections ensures protection against ground loops and high‑voltage transients. - **Surge Protection:** Built‑in surge protection on RS‑485 data lines safeguards against electrical spikes. - **Dual Watchdog System:** Hardware and host watchdogs ensure continuous operation and automatic recovery from communication or system faults. - **Auto and Manual Calibration:** Automatic voltage calibration at power‑up; manual calibration commands available for zero and full‑scale adjustments. - **LED Indicators:** Power and communication status LEDs for visual diagnostics. - **Flexible Mounting:** Supports both DIN‑rail and panel mounting. - **Wide Power Supply Range:** Operates from +10 V DC to +30 V DC. - **Compact and Rugged Design:** Industrial‑grade enclosure with screw terminal connections for secure wiring.

Manufacturer: Trycom

Category: Ethernet / USB / RS485 / RS232 Modbus IO

- **8 Differential Analog Input Channels:** Each channel supports voltage or current input modes, selectable via internal jumpers. - **High Resolution and Sampling Rate:** 16-bit or 24-bit resolution with selectable sampling modes—Normal (10 samples/sec) and Fast (60 samples/sec). - **Wide Input Range:** Voltage input ranges of ±10V, ±5V, ±2.5V, ±1.25V, ±650mV; current input range of ±20mA or 4–20mA. - **Electrical Isolation:** 3750 Vrms optical isolation between input channels and communication interface for enhanced safety and noise immunity. - **Surge Protection:** Built-in surge absorbers on each channel to prevent damage from transient voltages. - **Multi-Protocol Support:** Automatically detects and supports TRP-ASCII, Modbus RTU, and Modbus ASCII communication protocols. - **Ethernet Connectivity:** RJ45 interface with Auto-MDIX support for automatic crossover detection and correction. - **Web-Based Configuration:** Integrated web server for configuration, monitoring, and firmware updates via LAN. - **Network Security:** Supports up to 8 authorized host IP addresses for controlled network access. - **Watchdog Function:** Ensures stable operation and automatic recovery from system or network failures. - **Heartbeat Function:** Periodic TCP keep-alive messages every 5 seconds to maintain reliable communication. - **Multiple TCP Connections:** Supports up to 16 simultaneous TCP client connections. - **Flexible Power Input:** Dual power input options—screw terminal or DC jack (10–30V DC). - **Mounting Options:** DIN-rail and panel mounting supported for versatile installation. - **LED Indicators:** Power, link, and per-channel status LEDs for quick diagnostics. - **Factory Reset Button:** External button for restoring factory default configuration. - **Firmware Upgrade via LAN:** Simplified update process through network interface. - **Virtual COM Port Support:** Enables legacy serial applications to communicate over Ethernet.

Manufacturer: Trycom

Category: Ethernet / USB / RS485 / RS232 Modbus IO

- **Eight Isolated RS-422 Ports:** Provides eight independent RS-422 serial communication channels, each accessible via a female DB25 connector. - **Electrical Isolation:** Each port is galvanically isolated to protect connected devices and host systems from ground loops, voltage spikes, and electrical surges. - **Integrated Surge Protection:** Built-in surge suppression safeguards communication lines against transient voltage spikes, ensuring long-term reliability in industrial applications. - **DB25 Female Connectors:** Standardized 25-pin D-sub female connectors for secure and consistent serial connections. - **Compatibility with Moxa C168/C218 Series:** Designed for direct connection to Moxa’s C168 and C218 multiport serial boards via the included DB62-to-DB62 cable. - **External Power Supply (230V):** Operates from a 230V AC mains input, providing stable power for all isolated channels. - **Compact and Durable Enclosure:** Metal housing with dimensions of 247 × 108 × 35 mm, optimized for panel or desktop installation in industrial control cabinets. - **Plug-and-Play Integration:** Simplifies expansion of serial communication ports without complex configuration or additional interface cards. - **Enhanced Signal Integrity:** Isolation and shielding minimize signal degradation over long cable runs. - **Industrial-Grade Reliability:** Designed for continuous operation in demanding environments with high electromagnetic interference (EMI).

Manufacturer: Moxa

Category: RS485 / RS422 8-ports

- **Dual Serial Interfaces:** Two RS422/RS485 ports with 5-contact terminal blocks, supporting both 4-wire RS422 and 2-wire RS485 configurations. - **Ethernet Connectivity:** One 10/100BASE-TX RJ45 port compliant with IEEE 802.3/802.3u standards, supporting auto-negotiation and auto-MDI/MDI-X. - **Protocol Conversion:** Acts as a transparent bridge between Modbus TCP/IP and Modbus RTU/ASCII protocols, supporting RTU Master/Slave and ASCII Master/Slave modes. - **Flexible Operation Modes:** - Master mode supports up to 32 slave TCP connection requests. - Slave mode supports up to 16 TCP master connections. - **High Data Rate:** Configurable baud rate from 300 bps to 115,200 bps with non-blocking communication. - **Industrial-Grade Design:** IP40-rated metal housing, wall-mountable, with 1 kV surge protection on serial lines. - **Wide Power Input Range:** 9–48 VDC via 2-contact terminal block, with low power consumption (~1.25 W @ 9 VDC). - **Comprehensive Management:** - Web-based GUI and Telnet management interfaces. - PLANET Modbus Gateway Utility and Smart Discovery Utility for device discovery, configuration, and firmware management. - **Security and Access Control:** IP/MAC filtering, user authentication, and configurable access permissions. - **Environmental Resilience:** Operates reliably in extreme industrial conditions (-40°C to +75°C, 5–95% RH non-condensing). - **Compliance:** Meets FCC Part 15 Class B, CE, and IEC60068-2-32/27/6 standards for free fall, shock, and vibration.

Manufacturer: Planet

Category: Modbus Gateways

- **Protocol Conversion:** Converts between Modbus TCP/IP and Modbus RTU/ASCII protocols, supporting both master and slave modes. - **Serial Interface:** One RS422/RS485 port with a 5-contact terminal block, supporting 2-wire RS485 or 4-wire RS422 operation. - **Ethernet Interface:** One 10/100BASE-TX RJ45 port compliant with IEEE 802.3 and IEEE 802.3u standards, supporting auto-negotiation and auto-MDI/MDI-X. - **Flexible Operation Modes:** - RTU Master / RTU Slave - ASCII Master / ASCII Slave - TCP Server / TCP Client - **High Connectivity:** - Master mode supports up to 32 TCP slave connections. - Slave mode supports up to 16 TCP master connections. - **Management Interfaces:** - Built-in web-based management (HTTP) - Telnet console - PLANET Modbus Gateway Utility - PLANET Smart Discovery Utility - **Security & Access Control:** IP and MAC address filtering, user authentication, and configurable access permissions. - **Industrial Design:** IP40-rated metal enclosure, wall-mountable, high EMI/surge immunity, and wide temperature tolerance. - **Diagnostics & Monitoring:** LED indicators for system, Ethernet link/activity, and serial TX/RX; real-time serial port state monitoring via web/telnet interface. - **Firmware & Configuration Management:** Supports firmware upgrades, configuration backup, and restore via HTTP. - **Energy Efficiency:** Low power consumption (~1.25W @ 9VDC).

Manufacturer: Planet

Category: Modbus Gateways

- **Galvanic Isolation:** Provides complete electrical isolation between input, output, and control circuits to prevent ground loops and protect sensitive equipment. - **Relay Multiplexing:** Integrated relay matrix allows multiple input channels to be switched to a single output or vice versa, enabling efficient signal routing and channel expansion. - **Precision Amplification:** Built‑in low‑noise amplifier stages support signal conditioning for voltage, current, or sensor‑level inputs. - **Wide Signal Compatibility:** Supports analog and digital signals, including voltage ranges from millivolts to ±10 V and current loops up to 20 mA. - **High Channel Density:** Typically supports 8, 16, or 32 channels per board (depending on configuration). - **Modular Design:** Stackable or rack‑mountable for scalable system integration. - **Industrial‑Grade Relays:** Long‑life electromechanical or solid‑state relays rated for millions of switching cycles. - **Low Crosstalk and Noise:** Optimized PCB layout and shielding minimize interference between channels. - **Status Indicators:** On‑board LEDs for relay state, power, and fault indication. - **Flexible Control Interface:** TTL, RS‑485, or USB control options for integration with PLCs, DAQs, or embedded controllers. - **Overvoltage and Surge Protection:** Built‑in transient suppression for enhanced durability. - **Compact Form Factor:** Designed for DIN‑rail or panel mounting in control cabinets.

Manufacturer: Adlink Technology Inc.

Category: OEM Add On Cards

Isolated RS-422/485 repeater with auto direction control, 3000VDC isolation.

Industrial isolated RS-422/485 repeater for extending communication distance up to 1200 m and supporting up to 128 nodes. Provides automatic data flow detection, auto baud rate detection up to 115.2 Kbps, 3000 VDC optical isolation, transient suppression, screw terminal wiring, and DIN-rail or panel mounting. Operates from +10 to +30 VDC.

Manufacturer: TOPSCCC

Category: No category

- **Galvanic Isolation:** Provides up to 4 kV isolation between connected RS232 interfaces, protecting equipment and operators from potential voltage surges and ground loops. - **Bidirectional Communication:** Fully supports two-way RS232 data transmission, enabling transparent communication between devices. - **No External Power Supply Required:** When the input lines (Data In/HS In1/HS In2) are properly connected on both sides, the adapter operates without the need for an external power source, simplifying installation and reducing wiring complexity. - **High Data Rate Support:** Capable of handling serial communication speeds up to 115 kBd, suitable for most standard RS232 applications. - **Dual 25-Pin D-Sub Connectors:** Equipped with two standard 25-pin (DB25) connectors for easy connection to RS232 ports on computers, controllers, or other serial devices. - **Compact and Robust Design:** Engineered for industrial and laboratory environments where electrical isolation and signal integrity are critical. - **Plug-and-Play Operation:** Designed for straightforward integration without the need for complex configuration or driver installation.

Manufacturer: No category

Category: RS232 RS485 Converter

- **Dual-Port Isolated Repeater:** Provides two isolated serial ports for RS-422/RS-485 communication, enabling signal regeneration and isolation between network segments. - **High Isolation Voltage:** 3 kV galvanic isolation between input and output channels ensures protection against ground loops, surges, and electrical noise. - **Wide Baud Rate Support:** Operates across a broad data rate range from **300 bps to 115.2 Kbps**, accommodating both legacy and modern serial communication systems. - **Industrial-Grade Design:** Built for harsh environments with an extended operating temperature range of **-10°C to +70°C**, ensuring stable performance in industrial and field applications. - **Compact and Durable Enclosure:** Housed in a robust **ABS case** with **IP30** protection rating, providing resistance to dust and mechanical stress. - **Flexible Mounting Options:** Supports both **DIN-rail** and **wall-mount** installation, allowing easy integration into control cabinets or equipment panels. - **Low Power Consumption:** Typical power consumption of approximately **2.2 W**, making it energy-efficient for continuous operation. - **Terminal Block Connectivity:** Equipped with **2 × 10-pin terminal blocks** for secure and reliable wiring of serial lines and power connections. - **Signal Integrity Enhancement:** Regenerates and reshapes RS-422/RS-485 signals to extend communication distance and improve data reliability. - **Industrial Reliability:** Designed for continuous operation in automation systems, SCADA networks, and industrial control environments.

Manufacturer: Oring

Category: RS485 DIN Rail IO Modules

- **Multi-Protocol Gateway:** Supports Modbus RTU/ASCII to Modbus TCP conversion, enabling integration of legacy serial devices into modern Ethernet or Wi-Fi networks. - **Versatile Serial Interface:** One configurable RS-232/422/485 port with DB9 male connector, supporting up to 921.6 Kbps baud rate. - **Wireless Connectivity:** Integrated 2.4GHz IEEE 802.11b/g/n Wi-Fi interface with data rates up to 150 Mbps (40 MHz channel). - **Network Modes:** Operates as Access Point (AP), Station, Wi-Fi Direct, or WPS-enabled device. - **Secure Communication:** Supports WEP-64/128, WPA, and WPA2 encryption for secure wireless data transmission. - **Flexible Configuration:** Web-based interface, serial console, and Windows configuration utility for easy setup and management. - **High Reliability:** CE/FCC Class A compliant, industrial-grade design with 0–70°C operating temperature range. - **Power Flexibility:** Accepts 9–48 VDC input via terminal block or Micro-USB power source. - **Compact Design:** Small form factor (78 × 108 × 25 mm) suitable for DIN-rail or wall mounting. - **Firmware Upgradeable:** Supports remote firmware updates via web or Windows utility. - **Real-Time OS:** Built on FreeRTOS for stable and deterministic operation.

Manufacturer: Artila

Category: RS232

Isolated USB 1.1 to RS-232/RS-422/RS-485 converter with 3 kV isolation.

USB 1.1 compliant isolated USB-to-serial converter with one auto-switching RS-232, RS-422, or RS-485 port, 300 to 115.2 Kbps baud rate, 3000 VDC isolation, RTS/CTS support for RS-232, transient suppression, USB Type-B interface, and plug-in screw terminal serial connector.

Manufacturer: TOPSCCC

Category: No category