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EX9065BD

4*DI 5*DC-SSR Relay output LED
197,00 EUR

including VAT 234.43 EUR

  • Manufacturer TOPSCCC
  • Category: Module Relay DIO
  • The ExpertDAQ EX9065BD is a compact, industrial‑grade digital I/O module designed for distributed control and monitoring applications over an RS‑485 network. It belongs to the EX‑9000 series of remote I/O modules and provides a combination of 4 isolated digital input channels and 5 DC solid‑state relay (SSR) output channels. The module supports communication via RS‑485 (2‑wire) and can be configured manually or through software using the Modbus RTU protocol.
- RS‑485 Communication Interface:
Two‑wire RS‑485 interface supporting baud rates from 1200 to 115.2 kbps. Up to 256 modules can be connected on a single RS‑485 network with a maximum cable length of 1200 m (without repeater).

- Digital I/O Configuration:
- 4 isolated digital input channels with 3750 Vrms isolation.
- 5 DC‑SSR output channels (Form A, normally open) capable of switching 3 VDC – 30 VDC at up to 1 A per channel.

- Galvanic Isolation:
Complete isolation between input, output, and communication circuits ensures protection against ground loops and electrical noise.

- LED Indicators:
Each input and output channel is equipped with an individual LED for real‑time status indication, simplifying diagnostics and maintenance.

- Extended Temperature Range:
Designed for harsh environments with an operating range of –25 °C to +75 °C and storage range of –30 °C to +75 °C.

- Dual Watchdog System:
Hardware and software watchdogs (module and host watchdog) ensure continuous operation and automatic recovery from communication or system faults.

- Power Supply Flexibility:
Operates from a 10 VDC – 30 VDC power source with typical consumption of 1.5 W.

- High Reliability:
Solid‑state relay outputs rated for ≥ 10⁵ switching cycles, ensuring long service life and minimal maintenance.

- Manual or Software Configuration:
Parameters such as address, baud rate, and data format can be set via DIP switches or through serial commands.

- Modbus RTU Compatibility:
Fully supports Modbus RTU protocol for seamless integration with PLCs, SCADA systems, and industrial controllers.

Country of origin: Taiwan R.O.C.

Customs tariff number: 8517 6200 900

Comprehensive Product Summary – ExpertDAQ EX9065BD RS‑485 Relay Module




### 1. Product Overview

Product Name: ExpertDAQ EX9065BD
Model Number: EX9065BD
Series: EX‑9000 Distributed I/O Series
Article Number: EX9065BD
Manufacturer: ExpertDAQ (ICP DAS compatible industrial I/O systems)

The ExpertDAQ EX9065BD is a compact, industrial‑grade digital I/O module designed for distributed control and monitoring applications over an RS‑485 network. It belongs to the EX‑9000 series of remote I/O modules and provides a combination of 4 isolated digital input channels and 5 DC solid‑state relay (SSR) output channels. The module supports communication via RS‑485 (2‑wire) and can be configured manually or through software using the Modbus RTU protocol. It is engineered for high reliability, low power consumption, and operation in extended temperature environments, making it suitable for industrial automation, building management, and process control systems.




### 2. Key Features

- RS‑485 Communication Interface:
Two‑wire RS‑485 interface supporting baud rates from 1200 to 115.2 kbps. Up to 256 modules can be connected on a single RS‑485 network with a maximum cable length of 1200 m (without repeater).

- Digital I/O Configuration:
- 4 isolated digital input channels with 3750 Vrms isolation.
- 5 DC‑SSR output channels (Form A, normally open) capable of switching 3 VDC – 30 VDC at up to 1 A per channel.

- Galvanic Isolation:
Complete isolation between input, output, and communication circuits ensures protection against ground loops and electrical noise.

- LED Indicators:
Each input and output channel is equipped with an individual LED for real‑time status indication, simplifying diagnostics and maintenance.

- Extended Temperature Range:
Designed for harsh environments with an operating range of –25 °C to +75 °C and storage range of –30 °C to +75 °C.

- Dual Watchdog System:
Hardware and software watchdogs (module and host watchdog) ensure continuous operation and automatic recovery from communication or system faults.

- Power Supply Flexibility:
Operates from a 10 VDC – 30 VDC power source with typical consumption of 1.5 W.

- High Reliability:
Solid‑state relay outputs rated for ≥ 10⁵ switching cycles, ensuring long service life and minimal maintenance.

- Manual or Software Configuration:
Parameters such as address, baud rate, and data format can be set via DIP switches or through serial commands.

- Modbus RTU Compatibility:
Fully supports Modbus RTU protocol for seamless integration with PLCs, SCADA systems, and industrial controllers.




### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Interface | RS‑485, 2‑wire, half‑duplex |
| Communication Speed | 1200, 2400, 4800, 9600, 19.2 k, 38.4 k, 57.6 k, 115.2 k bps |
| Maximum Modules per Network | 256 |
| Maximum Cable Length (without repeater) | 1200 m |
| Power Supply | +10 VDC to +30 VDC |
| Power Consumption | 1.5 W (typical) |
| Digital Inputs | 4 isolated channels, common source |
| Input Impedance | 3 kΩ |
| Logic Level 0 | ≤ +1 VDC |
| Logic Level 1 | +4 V to +30 VDC |
| Isolation Voltage (Input) | 3750 Vrms |
| Digital Outputs | 5 × DC‑SSR (Form A, normally open) |
| Load Voltage Range | 3 VDC – 30 VDC |
| Maximum Load Current | 1 A per channel |
| Leakage Current (off‑state) | ≤ 0.1 mA |
| Operate Time | ≤ 1 ms |
| Release Time | ≤ 1 ms |
| Dielectric Strength (Output) | 2500 Vrms |
| Isolation (I/O to Logic) | Galvanically isolated |
| Switching Lifetime | ≥ 10⁵ operations |
| LED Indicators | 9 LEDs (1 per channel + power/status) |
| Operating Temperature | –25 °C to +75 °C |
| Storage Temperature | –30 °C to +75 °C |
| Humidity | 10 % – 90 % RH non‑condensing |
| Mounting | DIN‑rail or panel mount |
| Enclosure | Industrial‑grade plastic housing |
| Dimensions / Weight | Compact module form factor (approx. 72 × 118 × 39 mm, ~200 g typical) |




### 4. Functionality

The EX9065BD functions as a distributed digital I/O node on an RS‑485 network. It converts digital input signals from sensors, switches, or logic devices into serial data and controls external loads through its DC‑SSR outputs.

Operation Principle:
- Inputs: Accept TTL/CMOS or dry‑contact signals. Each input is optically isolated to prevent interference and protect the host system.
- Outputs: Each DC‑SSR output acts as a solid‑state switch capable of driving DC loads such as solenoids, relays, LEDs, or small actuators.
- Communication: The module exchanges data with a host controller (PLC, PC, or HMI) using ASCII or Modbus RTU commands.
- Watchdog Control: The dual watchdog system ensures that outputs revert to predefined safe states if communication is lost or the host fails.

Typical Applications:
- Industrial process control and automation
- Building automation and HVAC systems
- Remote equipment monitoring
- Machine control and safety interlocks
- Energy management and lighting control
- Laboratory and test automation setups

Compatibility:
- Compatible with Modbus RTU master devices, SCADA software, and industrial PCs.
- Integrates with other ExpertDAQ EX‑9000 modules for scalable distributed I/O systems.




### 5. Components & Accessories

Included Components:
- EX9065BD module
- Removable terminal block connectors for I/O and power
- RS‑485 communication terminals (D+, D–)
- LED indicators for each input/output channel
- User manual and configuration software (via manufacturer website)

Optional Accessories:
- RS‑485 to USB or RS‑232 converters
- RS‑485 repeaters and surge protectors
- DIN‑rail mounting clips and panel brackets
- External 24 VDC power supply units
- Modbus configuration utilities and diagnostic tools

Connectors:
- Power Input: +Vs, GND
- RS‑485 Bus: D+, D–
- Digital Inputs: DI0–DI3, COM
- Digital Outputs: DO1–DO5, COM
All terminals are screw‑type for secure industrial wiring.




### 6. Installation & Setup

Requirements:
- DC power supply (10 – 30 VDC, ≥ 1.5 W)
- RS‑485 network connection (twisted‑pair shielded cable recommended)
- Host controller or PC with Modbus RTU or ASCII communication capability

Mounting Options:
- DIN‑rail mounting (standard 35 mm rail)
- Panel mounting via optional brackets

Configuration Steps:
1. Power Off the system before wiring.
2. Connect power supply, RS‑485 lines, and I/O terminals according to the wiring diagram.
3. Set module address and baud rate using software commands or INIT* mode.
4. Verify communication using Modbus or ASCII test commands.
5. Configure Power‑On and Safe Values for outputs to define default states.
6. Enable Host Watchdog if required for safety.
7. Observe LED indicators to confirm correct operation.

INIT* Mode Operation:
- Used to reset configuration or recover forgotten settings.
- Activated by connecting the INIT* pin to GND or sliding the INIT switch to “Init” position before power‑on.
- Default parameters in INIT* mode: Address = 00, Baud = 9600 bps, Checksum = disabled.




### 7. Performance & Capabilities

- Switching Performance:
DC‑SSR outputs provide fast switching (≤ 1 ms) with no mechanical wear, ideal for high‑frequency or noise‑sensitive applications.

- Load Handling:
Each output supports up to 1 A at 30 VDC, suitable for driving relays, solenoids, or indicator lamps.

- Input Responsiveness:
Inputs detect logic transitions between +1 V and +30 V with 3 kΩ impedance, supporting both TTL and dry‑contact sources.

- Reliability:
Solid‑state design ensures long‑term operation with minimal maintenance.
Lifetime exceeds 100,000 switching cycles under rated load.

- Network Scalability:
Up to 256 modules can coexist on a single RS‑485 bus, enabling large distributed control networks.

- Watchdog and Safety:
- Module Watchdog: Hardware circuit resets the module if internal errors occur.
- Host Watchdog: Software timer monitors communication; if timeout occurs, outputs revert to predefined safe values.

- Power Efficiency:
Low power consumption (1.5 W) minimizes heat generation and allows operation in compact enclosures.

- Limitations:
- DC‑SSR outputs are limited to 30 VDC and 1 A; not suitable for high‑power AC loads.
- Requires proper RS‑485 termination and biasing for long‑distance communication stability.




### 8. Standards & Compliance

- Communication Protocols:
- ASCII command set (ExpertDAQ proprietary)
- Modbus RTU protocol (industry standard)

- Electrical Isolation:
- Input‑to‑output isolation: 3750 Vrms
- Output dielectric strength: 2500 Vrms

- Safety & EMC:
Designed for industrial environments with surge protection and noise immunity.
Meets general CE and FCC Class A industrial emission standards (manufacturer dependent).

- Environmental Compliance:
RoHS‑compliant construction (lead‑free, environmentally safe materials).

- Quality Assurance:
Factory‑tested for functional reliability, temperature stability, and communication integrity.




### 9. Additional Information

Warranty:
Typically covered by a 2‑year limited manufacturer warranty against defects in materials and workmanship (refer to ExpertDAQ warranty policy).

Technical Support:
- Configuration software and manuals available from ExpertDAQ support portal.
- Email and online technical assistance for integration and troubleshooting.
- Firmware updates provided for performance enhancements and protocol compatibility.

Maintenance:
- Periodic inspection of wiring and terminal tightness recommended.
- No internal user‑serviceable parts; solid‑state design minimizes maintenance.
- Keep module free from dust and moisture for optimal performance.

Firmware & Updates:
- Firmware version readable via command `$AAF` (e.g., version D03.11).
- Updates may include improved Modbus mapping, watchdog handling, or communication stability.

Service Life & Reliability:
- Designed for continuous 24/7 operation in industrial environments.
- Solid‑state relays eliminate mechanical wear, ensuring consistent performance over years of service.




### Summary Table

| Category | Details |
|---------------|-------------|
| Model | EX9065BD |
| Series | EX‑9000 Distributed I/O |
| Manufacturer | ExpertDAQ |
| Communication | RS‑485, 2‑wire, Modbus RTU / ASCII |
| Inputs | 4 × isolated digital inputs (3 kΩ, +4 – 30 V logic 1) |
| Outputs | 5 × DC‑SSR (3 – 30 VDC, 1 A max) |
| Isolation | 3750 Vrms (input), 2500 Vrms (output) |
| Power Supply | 10 – 30 VDC, 1.5 W |
| Indicators | LED per channel |
| Operating Temp. | –25 °C to +75 °C |
| Mounting | DIN‑rail / panel |
| Watchdog | Dual (hardware + software) |
| Network Capacity | 256 modules / 1200 m max bus length |
| Applications | Industrial automation, remote I/O, process control, building management |




### Conclusion

The ExpertDAQ EX9065BD is a robust, high‑performance RS‑485 digital I/O module optimized for distributed control systems. Its combination of 4 isolated digital inputs and 5 DC solid‑state relay outputs, along with galvanic isolation, dual watchdog protection, and Modbus RTU compatibility, make it a versatile solution for industrial automation, remote monitoring, and process control. The module’s compact design, extended temperature tolerance, and LED diagnostics ensure reliable operation in demanding environments. With flexible configuration options and seamless integration into existing RS‑485 networks, the EX9065BD provides a dependable and scalable platform for modern industrial control architectures.

No accessories available.