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- Dual RS‑422/485 Ports: Two independent serial channels supporting RS‑422, 4‑wire RS‑485, and 2‑wire RS‑485 communication modes.
- Optical Isolation: 2 kV isolation between each port and the host system, protecting against ground loops and electrical surges.
- High ESD Protection: 15 kV embedded electrostatic discharge protection ensures robust operation in harsh industrial environments.
- High‑Speed Data Transmission: Supports baud rates from 50 bps to 921.6 kbps with 16C550C‑compatible UARTs and 64‑byte FIFO buffers for efficient data handling.
- Low‑Profile PCI Express Design: Compact 120 × 65 mm form factor suitable for small‑form‑factor PCs and embedded systems.
- Automatic Data Direction Control (ADDC™): Built‑in hardware intelligence for automatic switching between transmit and receive modes in 2‑wire RS‑485 half‑duplex communication.
- Wide OS Compatibility: Drivers available for Windows 2000/XP/2003/Vista/2008 (32/64‑bit), DOS, Linux (32/64‑bit), SCO, and Windows CE 5.0.
- Comprehensive Software Tools: Includes Moxa PComm utilities for diagnostics, monitoring, and terminal emulation, plus a programming library for custom application development.
- Surge and EMI Immunity: Complies with EN55022, EN55024, EN61000‑6‑2, and multiple IEC 61000‑4 standards for electromagnetic compatibility.
- Long‑Term Reliability: Industrial‑grade components rated for 0 – 55 °C operation and backed by a 5‑year manufacturer warranty.
- Optical Isolation: 2 kV isolation between each port and the host system, protecting against ground loops and electrical surges.
- High ESD Protection: 15 kV embedded electrostatic discharge protection ensures robust operation in harsh industrial environments.
- High‑Speed Data Transmission: Supports baud rates from 50 bps to 921.6 kbps with 16C550C‑compatible UARTs and 64‑byte FIFO buffers for efficient data handling.
- Low‑Profile PCI Express Design: Compact 120 × 65 mm form factor suitable for small‑form‑factor PCs and embedded systems.
- Automatic Data Direction Control (ADDC™): Built‑in hardware intelligence for automatic switching between transmit and receive modes in 2‑wire RS‑485 half‑duplex communication.
- Wide OS Compatibility: Drivers available for Windows 2000/XP/2003/Vista/2008 (32/64‑bit), DOS, Linux (32/64‑bit), SCO, and Windows CE 5.0.
- Comprehensive Software Tools: Includes Moxa PComm utilities for diagnostics, monitoring, and terminal emulation, plus a programming library for custom application development.
- Surge and EMI Immunity: Complies with EN55022, EN55024, EN61000‑6‑2, and multiple IEC 61000‑4 standards for electromagnetic compatibility.
- Long‑Term Reliability: Industrial‑grade components rated for 0 – 55 °C operation and backed by a 5‑year manufacturer warranty.
Comprehensive Product Summary: Moxa CP‑132EL‑I PCI Express Multiport Serial Board
### 1. Product Overview
Product Name: CP‑132EL‑I
Model: CP‑132EL‑I
Series: CP‑132EL Series (PCI Express Multiport Serial Boards)
Article Number: CP‑132EL‑I
Manufacturer: Moxa Inc.
Product Description:
The Moxa CP‑132EL‑I is a two‑port, isolated, low‑profile PCI Express serial communication board designed for industrial and commercial applications requiring reliable RS‑422/485 connectivity. It provides two independent serial ports with 2 kV optical isolation, 15 kV ESD protection, and embedded surge protection. The board supports data rates up to 921.6 kbps and is fully compatible with PCI Express ×1 slots, allowing installation in any PCIe slot configuration (×1, ×2, ×4, ×8, ×16, or ×32).
### 2. Key Features
- Dual RS‑422/485 Ports: Two independent serial channels supporting RS‑422, 4‑wire RS‑485, and 2‑wire RS‑485 communication modes.
- Optical Isolation: 2 kV isolation between each port and the host system, protecting against ground loops and electrical surges.
- High ESD Protection: 15 kV embedded electrostatic discharge protection ensures robust operation in harsh industrial environments.
- High‑Speed Data Transmission: Supports baud rates from 50 bps to 921.6 kbps with 16C550C‑compatible UARTs and 64‑byte FIFO buffers for efficient data handling.
- Low‑Profile PCI Express Design: Compact 120 × 65 mm form factor suitable for small‑form‑factor PCs and embedded systems.
- Automatic Data Direction Control (ADDC™): Built‑in hardware intelligence for automatic switching between transmit and receive modes in 2‑wire RS‑485 half‑duplex communication.
- Wide OS Compatibility: Drivers available for Windows 2000/XP/2003/Vista/2008 (32/64‑bit), DOS, Linux (32/64‑bit), SCO, and Windows CE 5.0.
- Comprehensive Software Tools: Includes Moxa PComm utilities for diagnostics, monitoring, and terminal emulation, plus a programming library for custom application development.
- Surge and EMI Immunity: Complies with EN55022, EN55024, EN61000‑6‑2, and multiple IEC 61000‑4 standards for electromagnetic compatibility.
- Long‑Term Reliability: Industrial‑grade components rated for 0 – 55 °C operation and backed by a 5‑year manufacturer warranty.
### 3. Technical Specifications
Hardware
- Bus Interface: PCI Express ×1 (compliant with PCIe 1.1 specification)
- Number of Ports: 2 independent serial ports
- Maximum Boards per System: 4 (each assigned unique IRQ and I/O address by BIOS)
- Communication Controller: 16C550C‑compatible UART
- FIFO Buffer: 64 bytes per port
- Connector Type: Female DB‑25 on board
- Included Cable: 0.3 m DB‑25 male to dual DB‑9 male breakout cable (CBL‑M25M9x2‑50)
Signal Interface
- RS‑422: TxD+(B), TxD‑(A), RxD+(B), RxD‑(A), GND
- RS‑485 (4‑wire): TxD+(B), TxD‑(A), RxD+(B), RxD‑(A), GND
- RS‑485 (2‑wire): Data+(B), Data‑(A), GND
Performance Parameters
- Baud Rate: 50 bps – 921.6 kbps
- Data Bits: 5, 6, 7, 8
- Stop Bits: 1, 1.5, 2
- Parity: None, Even, Odd, Space, Mark
- Flow Control: XON/XOFF (software)
- I/O Address & IRQ: Automatically assigned by PCI BIOS
Physical Characteristics
- Dimensions: 120 mm × 65 mm (low‑profile form factor)
- Weight: Approx. 100 g (board only)
- Material: Multi‑layer PCB with gold‑plated edge connector
Environmental Conditions
- Operating Temperature: 0 – 55 °C (32 – 132 °F)
- Storage Temperature: –20 – 85 °C (–4 – 185 °F)
- Humidity: 5 – 95 % RH (non‑condensing)
Electrical Protection
- Optical Isolation: 2 kV (port‑to‑system)
- ESD Protection: 15 kV embedded surge protection
### 4. Functionality
Operation Principle:
The CP‑132EL‑I interfaces serial RS‑422/485 devices to a host PC via the PCI Express bus. Each port can be configured independently for RS‑422, 4‑wire RS‑485, or 2‑wire RS‑485 operation. In RS‑485 2‑wire mode, the ADDC™ mechanism automatically manages data direction, eliminating the need for software‑based control of transmit/receive switching.
Use Cases and Applications:
- Industrial automation and process control systems
- POS (Point‑of‑Sale) and ATM terminals
- Data acquisition and SCADA systems
- Building management and environmental monitoring
- Telecommunications and networking equipment
- Embedded PC‑based kiosks and vending machines
Compatibility:
- Fully compatible with PCI Express ×1 slots and higher (×2 – ×32).
- Supports up to four boards per system.
- Works with Moxa PComm library and standard Win32 COMM API.
### 5. Components & Accessories
Package Contents:
1. CP‑132EL‑I PCI Express serial board
2. Documentation and Software CD (drivers, utilities, manuals)
3. Quick Installation Guide
4. Low‑profile bracket
5. DB‑25 male to dual DB‑9 male cable (0.3 m)
Optional Accessories:
- CBL‑M25M9x2‑50: DB‑25 male to dual DB‑9 male cable (50 cm)
- CBL‑M25M25x2‑50: DB‑25 male to dual DB‑25 male cable (50 cm)
- Moxa PComm Lite Software: Diagnostic and terminal utilities (free download)
Connectors and Pinouts:
- Board Connector: Female DB‑25
- Device Connectors: Dual DB‑9 male (via breakout cable)
- Typical DB‑9 Pinout (RS‑422/485):
1 – TxD‑(A) 2 – TxD+(B) 3 – RxD+(B) 4 – RxD‑(A) 5 – GND
### 6. Installation & Setup
Hardware Installation Steps:
1. Power off the PC and remove the cover.
2. Insert the CP‑132EL‑I firmly into an available PCI Express slot.
3. Secure the bracket with the retaining screw.
4. Connect the DB‑25 cable to the board and attach serial devices.
5. Power on the PC; the BIOS automatically assigns IRQ and I/O resources.
Software Installation:
- Windows: Insert the Moxa CD, run the driver installer, and follow the wizard. Drivers are available for Windows 2000, XP, 2003, Vista, 2008 (32/64‑bit).
- Linux: Mount the CD, extract the driver package, compile, and install using `make install`. Load the module with `modprobe mxupcie`.
- SCO Unix: Use `moxaadm` utility for configuration after installation.
- Windows CE 5.0: Integrate the `mxserce5` driver into the Platform Builder environment.
Configuration:
- Use Moxa Port Configuration Tool or Device Manager to set interface type (RS‑422/485 2‑wire/4‑wire) and termination resistor (120 Ω enable/disable).
- Verify installation using Moxa Diagnostic Utility or Event Viewer.
### 7. Performance & Capabilities
- Transmission Speed: Up to 921.6 kbps per port
- FIFO Buffers: 64 bytes Tx/Rx per channel
- Data Integrity: High‑speed UART with automatic flow control
- Isolation: 2 kV optical isolation prevents ground‑loop interference
- ESD Immunity: 15 kV ESD protection ensures long‑term reliability
- Maximum Boards per System: 4 boards (8 ports total)
- Efficiency: Low‑power PCIe ×1 interface (3.3 V supply)
- Limitations: RS‑232 mode not supported; designed exclusively for RS‑422/485 applications
### 8. Standards & Compliance
Regulatory and EMC Compliance:
- EN 55022 Class B – Information Technology Equipment – EMI Emissions
- EN 55024 – Immunity Characteristics
- EN 61000‑3‑2 / EN 61000‑3‑3 – Harmonic and Flicker Limits
- EN 61000‑6‑2 – Industrial Immunity Standard
- IEC 61000‑4‑2 – ESD Immunity
- IEC 61000‑4‑3 – Radiated RF Immunity
- IEC 61000‑4‑4 – Electrical Fast Transient/Burst Immunity
- IEC 61000‑4‑5 – Surge Immunity
- IEC 61000‑4‑6 – Conducted RF Immunity
- IEC 61000‑4‑8 – Power Frequency Magnetic Field Immunity
- IEC 61000‑4‑11 – Voltage Dips and Interruptions
- FCC Part 15 Class B – U.S. EMC Compliance
Industry Standards:
- PCI Express Specification 1.1
- RS‑422 and RS‑485 EIA/TIA standards
### 9. Additional Information
Warranty: 5 years limited hardware warranty from Moxa Inc.
Technical Support:
- Website: [www.moxa.com/support](https://www.moxa.com/support)
- Americas: +1‑888‑669‑2872 (toll‑free)
- Europe: +49‑89‑3700399‑0
- Asia‑Pacific: +886‑2‑8919‑1230
- China: +86‑21‑5258‑9955
Maintenance & Updates:
- Firmware and driver updates available via Moxa’s support portal.
- Periodic driver revisions ensure compatibility with new OS versions.
- Diagnostic utilities (PComm Lite) assist in port testing and troubleshooting.
Support Tools:
- PComm Diagnostic: Tests IRQ, TxD/RxD, CTS/RTS, DTR/DSR signals.
- Monitor Utility: Displays real‑time port activity and throughput.
- Terminal Emulator: Supports VT100/ANSI modes and file transfer protocols (XMODEM, YMODEM, ZMODEM, KERMIT).
Maintenance Recommendations:
- Ensure adequate ventilation within the host PC.
- Use shielded cables for long‑distance RS‑422/485 connections.
- Verify proper termination (120 Ω) for RS‑485 networks to prevent signal reflections.
### Summary
The Moxa CP‑132EL‑I is a robust, industrial‑grade PCI Express serial communication board offering two optically isolated RS‑422/485 ports with high‑speed performance and comprehensive protection features. Its low‑profile design, wide OS support, and advanced hardware control make it ideal for automation, data acquisition, and embedded system integration. With 2 kV isolation, 15 kV ESD protection, and compliance with international EMC standards, the CP‑132EL‑I delivers reliable, long‑term operation in demanding industrial environments.
### 1. Product Overview
Product Name: CP‑132EL‑I
Model: CP‑132EL‑I
Series: CP‑132EL Series (PCI Express Multiport Serial Boards)
Article Number: CP‑132EL‑I
Manufacturer: Moxa Inc.
Product Description:
The Moxa CP‑132EL‑I is a two‑port, isolated, low‑profile PCI Express serial communication board designed for industrial and commercial applications requiring reliable RS‑422/485 connectivity. It provides two independent serial ports with 2 kV optical isolation, 15 kV ESD protection, and embedded surge protection. The board supports data rates up to 921.6 kbps and is fully compatible with PCI Express ×1 slots, allowing installation in any PCIe slot configuration (×1, ×2, ×4, ×8, ×16, or ×32).
### 2. Key Features
- Dual RS‑422/485 Ports: Two independent serial channels supporting RS‑422, 4‑wire RS‑485, and 2‑wire RS‑485 communication modes.
- Optical Isolation: 2 kV isolation between each port and the host system, protecting against ground loops and electrical surges.
- High ESD Protection: 15 kV embedded electrostatic discharge protection ensures robust operation in harsh industrial environments.
- High‑Speed Data Transmission: Supports baud rates from 50 bps to 921.6 kbps with 16C550C‑compatible UARTs and 64‑byte FIFO buffers for efficient data handling.
- Low‑Profile PCI Express Design: Compact 120 × 65 mm form factor suitable for small‑form‑factor PCs and embedded systems.
- Automatic Data Direction Control (ADDC™): Built‑in hardware intelligence for automatic switching between transmit and receive modes in 2‑wire RS‑485 half‑duplex communication.
- Wide OS Compatibility: Drivers available for Windows 2000/XP/2003/Vista/2008 (32/64‑bit), DOS, Linux (32/64‑bit), SCO, and Windows CE 5.0.
- Comprehensive Software Tools: Includes Moxa PComm utilities for diagnostics, monitoring, and terminal emulation, plus a programming library for custom application development.
- Surge and EMI Immunity: Complies with EN55022, EN55024, EN61000‑6‑2, and multiple IEC 61000‑4 standards for electromagnetic compatibility.
- Long‑Term Reliability: Industrial‑grade components rated for 0 – 55 °C operation and backed by a 5‑year manufacturer warranty.
### 3. Technical Specifications
Hardware
- Bus Interface: PCI Express ×1 (compliant with PCIe 1.1 specification)
- Number of Ports: 2 independent serial ports
- Maximum Boards per System: 4 (each assigned unique IRQ and I/O address by BIOS)
- Communication Controller: 16C550C‑compatible UART
- FIFO Buffer: 64 bytes per port
- Connector Type: Female DB‑25 on board
- Included Cable: 0.3 m DB‑25 male to dual DB‑9 male breakout cable (CBL‑M25M9x2‑50)
Signal Interface
- RS‑422: TxD+(B), TxD‑(A), RxD+(B), RxD‑(A), GND
- RS‑485 (4‑wire): TxD+(B), TxD‑(A), RxD+(B), RxD‑(A), GND
- RS‑485 (2‑wire): Data+(B), Data‑(A), GND
Performance Parameters
- Baud Rate: 50 bps – 921.6 kbps
- Data Bits: 5, 6, 7, 8
- Stop Bits: 1, 1.5, 2
- Parity: None, Even, Odd, Space, Mark
- Flow Control: XON/XOFF (software)
- I/O Address & IRQ: Automatically assigned by PCI BIOS
Physical Characteristics
- Dimensions: 120 mm × 65 mm (low‑profile form factor)
- Weight: Approx. 100 g (board only)
- Material: Multi‑layer PCB with gold‑plated edge connector
Environmental Conditions
- Operating Temperature: 0 – 55 °C (32 – 132 °F)
- Storage Temperature: –20 – 85 °C (–4 – 185 °F)
- Humidity: 5 – 95 % RH (non‑condensing)
Electrical Protection
- Optical Isolation: 2 kV (port‑to‑system)
- ESD Protection: 15 kV embedded surge protection
### 4. Functionality
Operation Principle:
The CP‑132EL‑I interfaces serial RS‑422/485 devices to a host PC via the PCI Express bus. Each port can be configured independently for RS‑422, 4‑wire RS‑485, or 2‑wire RS‑485 operation. In RS‑485 2‑wire mode, the ADDC™ mechanism automatically manages data direction, eliminating the need for software‑based control of transmit/receive switching.
Use Cases and Applications:
- Industrial automation and process control systems
- POS (Point‑of‑Sale) and ATM terminals
- Data acquisition and SCADA systems
- Building management and environmental monitoring
- Telecommunications and networking equipment
- Embedded PC‑based kiosks and vending machines
Compatibility:
- Fully compatible with PCI Express ×1 slots and higher (×2 – ×32).
- Supports up to four boards per system.
- Works with Moxa PComm library and standard Win32 COMM API.
### 5. Components & Accessories
Package Contents:
1. CP‑132EL‑I PCI Express serial board
2. Documentation and Software CD (drivers, utilities, manuals)
3. Quick Installation Guide
4. Low‑profile bracket
5. DB‑25 male to dual DB‑9 male cable (0.3 m)
Optional Accessories:
- CBL‑M25M9x2‑50: DB‑25 male to dual DB‑9 male cable (50 cm)
- CBL‑M25M25x2‑50: DB‑25 male to dual DB‑25 male cable (50 cm)
- Moxa PComm Lite Software: Diagnostic and terminal utilities (free download)
Connectors and Pinouts:
- Board Connector: Female DB‑25
- Device Connectors: Dual DB‑9 male (via breakout cable)
- Typical DB‑9 Pinout (RS‑422/485):
1 – TxD‑(A) 2 – TxD+(B) 3 – RxD+(B) 4 – RxD‑(A) 5 – GND
### 6. Installation & Setup
Hardware Installation Steps:
1. Power off the PC and remove the cover.
2. Insert the CP‑132EL‑I firmly into an available PCI Express slot.
3. Secure the bracket with the retaining screw.
4. Connect the DB‑25 cable to the board and attach serial devices.
5. Power on the PC; the BIOS automatically assigns IRQ and I/O resources.
Software Installation:
- Windows: Insert the Moxa CD, run the driver installer, and follow the wizard. Drivers are available for Windows 2000, XP, 2003, Vista, 2008 (32/64‑bit).
- Linux: Mount the CD, extract the driver package, compile, and install using `make install`. Load the module with `modprobe mxupcie`.
- SCO Unix: Use `moxaadm` utility for configuration after installation.
- Windows CE 5.0: Integrate the `mxserce5` driver into the Platform Builder environment.
Configuration:
- Use Moxa Port Configuration Tool or Device Manager to set interface type (RS‑422/485 2‑wire/4‑wire) and termination resistor (120 Ω enable/disable).
- Verify installation using Moxa Diagnostic Utility or Event Viewer.
### 7. Performance & Capabilities
- Transmission Speed: Up to 921.6 kbps per port
- FIFO Buffers: 64 bytes Tx/Rx per channel
- Data Integrity: High‑speed UART with automatic flow control
- Isolation: 2 kV optical isolation prevents ground‑loop interference
- ESD Immunity: 15 kV ESD protection ensures long‑term reliability
- Maximum Boards per System: 4 boards (8 ports total)
- Efficiency: Low‑power PCIe ×1 interface (3.3 V supply)
- Limitations: RS‑232 mode not supported; designed exclusively for RS‑422/485 applications
### 8. Standards & Compliance
Regulatory and EMC Compliance:
- EN 55022 Class B – Information Technology Equipment – EMI Emissions
- EN 55024 – Immunity Characteristics
- EN 61000‑3‑2 / EN 61000‑3‑3 – Harmonic and Flicker Limits
- EN 61000‑6‑2 – Industrial Immunity Standard
- IEC 61000‑4‑2 – ESD Immunity
- IEC 61000‑4‑3 – Radiated RF Immunity
- IEC 61000‑4‑4 – Electrical Fast Transient/Burst Immunity
- IEC 61000‑4‑5 – Surge Immunity
- IEC 61000‑4‑6 – Conducted RF Immunity
- IEC 61000‑4‑8 – Power Frequency Magnetic Field Immunity
- IEC 61000‑4‑11 – Voltage Dips and Interruptions
- FCC Part 15 Class B – U.S. EMC Compliance
Industry Standards:
- PCI Express Specification 1.1
- RS‑422 and RS‑485 EIA/TIA standards
### 9. Additional Information
Warranty: 5 years limited hardware warranty from Moxa Inc.
Technical Support:
- Website: [www.moxa.com/support](https://www.moxa.com/support)
- Americas: +1‑888‑669‑2872 (toll‑free)
- Europe: +49‑89‑3700399‑0
- Asia‑Pacific: +886‑2‑8919‑1230
- China: +86‑21‑5258‑9955
Maintenance & Updates:
- Firmware and driver updates available via Moxa’s support portal.
- Periodic driver revisions ensure compatibility with new OS versions.
- Diagnostic utilities (PComm Lite) assist in port testing and troubleshooting.
Support Tools:
- PComm Diagnostic: Tests IRQ, TxD/RxD, CTS/RTS, DTR/DSR signals.
- Monitor Utility: Displays real‑time port activity and throughput.
- Terminal Emulator: Supports VT100/ANSI modes and file transfer protocols (XMODEM, YMODEM, ZMODEM, KERMIT).
Maintenance Recommendations:
- Ensure adequate ventilation within the host PC.
- Use shielded cables for long‑distance RS‑422/485 connections.
- Verify proper termination (120 Ω) for RS‑485 networks to prevent signal reflections.
### Summary
The Moxa CP‑132EL‑I is a robust, industrial‑grade PCI Express serial communication board offering two optically isolated RS‑422/485 ports with high‑speed performance and comprehensive protection features. Its low‑profile design, wide OS support, and advanced hardware control make it ideal for automation, data acquisition, and embedded system integration. With 2 kV isolation, 15 kV ESD protection, and compliance with international EMC standards, the CP‑132EL‑I delivers reliable, long‑term operation in demanding industrial environments.
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CP-132-EL_EL-I_QIG_v1.pdf
Manual
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