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CP-132S

PCI RS422/485, 2 port with 16550UART, surge protection
- Dual Independent Serial Ports: Two asynchronous RS‑422/RS‑485 ports supporting full‑duplex (RS‑422) and half‑duplex (RS‑485) communication.
- High‑Speed Data Transmission: Supports baud rates from 50 bps up to 921.6 Kbps per port, ensuring reliable high‑throughput communication.
- 16550C UART Controller: Each port uses a 16C550C‑compatible UART with 32‑byte transmit/receive FIFO buffers and hardware flow control to prevent data loss at high speeds.
- Surge Protection: Built‑in transient voltage surge suppression (TVSS) providing up to 25 kV ESD and 2 kV EFT protection on all signal lines, ideal for harsh industrial environments.
- Automatic Data Direction Control (ADDC): Intelligent hardware mechanism for RS‑485 half‑duplex communication, eliminating the need for software‑based RTS control.
- Termination Resistors: On‑board 120‑ohm termination resistors for impedance matching; selectable via jumpers for each port.
- PCI Plug‑and‑Play Compliance: Fully compliant with PCI Specification 2.1; IRQ and I/O addresses automatically assigned by the PCI BIOS—no manual switch or jumper configuration required.
- Compact Half‑Size Board: Space‑efficient 120 mm × 80 mm PCB suitable for standard PCI slots.
- Multi‑Board Support: Up to four CP‑132 Series boards can be installed in a single system.
- Cross‑Platform Driver Support: Official Moxa drivers for Windows NT, Windows 95/98, and DOS.
- Comprehensive Software Tools: Bundled with Moxa’s `PComm` (Windows) and `API‑232` (DOS) libraries for serial programming, diagnostics, and terminal emulation.
- Industrial Reliability: Designed for continuous operation in factory automation, process control, and data acquisition systems.

Country of origin: Taiwan R.O.C.

Customs tariff number: 8473 3020 000

Comprehensive Product Summary – Moxa Industio CP‑132S PCI Serial Board




### 1. Product Overview

Product Name: Industio CP‑132S
Model: CP‑132S
Series: Industio CP‑132 Series (includes CP‑132, CP‑132I, CP‑132S, CP‑132IS)
Article Number: CP‑132S
Manufacturer: Moxa Technologies Co., Ltd.
Manufacturer Contact:
- Tel: +886‑2‑8665‑6373
- Fax: +886‑2‑8665‑6372
- Website: [www.moxa.com](https://www.moxa.com)
- Email: support@moxa.com.tw

Product Type: Industrial 2‑Port RS‑422/RS‑485 Serial Communication Board for PCI Bus
Intended Use: Industrial automation, data acquisition, and remote serial device control applications requiring robust, high‑speed, and surge‑protected serial communication interfaces.




### 2. Key Features

- Dual Independent Serial Ports: Two asynchronous RS‑422/RS‑485 ports supporting full‑duplex (RS‑422) and half‑duplex (RS‑485) communication.
- High‑Speed Data Transmission: Supports baud rates from 50 bps up to 921.6 Kbps per port, ensuring reliable high‑throughput communication.
- 16550C UART Controller: Each port uses a 16C550C‑compatible UART with 32‑byte transmit/receive FIFO buffers and hardware flow control to prevent data loss at high speeds.
- Surge Protection: Built‑in transient voltage surge suppression (TVSS) providing up to 25 kV ESD and 2 kV EFT protection on all signal lines, ideal for harsh industrial environments.
- Automatic Data Direction Control (ADDC): Intelligent hardware mechanism for RS‑485 half‑duplex communication, eliminating the need for software‑based RTS control.
- Termination Resistors: On‑board 120‑ohm termination resistors for impedance matching; selectable via jumpers for each port.
- PCI Plug‑and‑Play Compliance: Fully compliant with PCI Specification 2.1; IRQ and I/O addresses automatically assigned by the PCI BIOS—no manual switch or jumper configuration required.
- Compact Half‑Size Board: Space‑efficient 120 mm × 80 mm PCB suitable for standard PCI slots.
- Multi‑Board Support: Up to four CP‑132 Series boards can be installed in a single system.
- Cross‑Platform Driver Support: Official Moxa drivers for Windows NT, Windows 95/98, and DOS.
- Comprehensive Software Tools: Bundled with Moxa’s `PComm` (Windows) and `API‑232` (DOS) libraries for serial programming, diagnostics, and terminal emulation.
- Industrial Reliability: Designed for continuous operation in factory automation, process control, and data acquisition systems.




### 3. Technical Specifications

| Parameter | Specification |
|----------------|------------------|
| Bus Interface | 32‑bit PCI, compliant with PCI Spec. 2.1 |
| Number of Ports | 2 independent RS‑422/RS‑485 ports |
| Maximum Boards per System | 4 |
| Communication Controller | 16C550C UART or compatible |
| Baud Rate Range | 50 bps to 921.6 Kbps |
| Data Bits | 5, 6, 7, or 8 |
| Stop Bits | 1, 1.5, or 2 |
| Parity Options | None, Even, Odd, Space, Mark |
| Signal Lines (RS‑422) | TxD±, RxD±, RTS±, CTS±, GND |
| Signal Lines (RS‑485) | Data±, GND |
| Connectors | 2 × DB9 male |
| Termination Resistor | 120 Ω jumper‑selectable |
| Surge Protection | ESD up to 25 kV, EFT up to 2 kV |
| Optical Isolation | Not applicable for CP‑132S (available on CP‑132I/IS models) |
| Power Requirement | +5 V DC, 430 mA max. |
| Dimensions | 120 mm (L) × 80 mm (H) |
| Operating Temperature | 0 °C to 55 °C |
| Operating Systems Supported | Windows NT, Windows 95/98, DOS |
| Mounting Type | Standard PCI slot (32‑bit) |
| Weight | Approx. 100 g (typical board weight) |




### 4. Functionality

Operating Principle:
The CP‑132S provides two asynchronous serial communication channels over the PCI bus. Each channel can be configured as RS‑422 (full‑duplex) or RS‑485 (half‑duplex) via onboard DIP switches. The board’s intelligent ADDC circuitry automatically manages data direction in RS‑485 mode, ensuring seamless half‑duplex communication without software intervention.

Use Cases and Applications:
- Industrial process control and factory automation
- Multipoint data acquisition systems
- Remote monitoring and control of serial devices
- SCADA and telemetry systems
- Industrial instrumentation and PLC communication
- Serial networking for sensors, meters, and controllers

Compatibility:
- Compatible with standard PCI slots in desktop PCs and industrial computers.
- Supports up to 32 devices per RS‑485 port in multidrop configuration.
- Works with Moxa’s `PComm` and `API‑232` libraries for application development in C, C++, Visual Basic, Delphi, and other languages.




### 5. Components & Accessories

Included Items:
- 1 × Industio CP‑132S PCI serial board
- 1 × Moxa Software CD‑ROM containing:
- Windows NT/95/98 and DOS drivers
- `PComm Lite` programming library and utilities
- `API‑232` library and utilities for DOS
- User’s manuals (PDF format)
- Printed Industio CP‑132 Series User’s Manual

Optional Accessories:
- RS‑422/RS‑485 connection cables (DB9 male to terminal block or DB9‑DB9)
- External surge protection modules (for additional protection if required)
- PCI slot brackets and mounting screws

Connectors:
- Two DB9 male connectors providing RS‑422/RS‑485 signal lines.
- Pin assignments differ for RS‑422 and RS‑485 modes (see wiring section below).




### 6. Installation & Setup

Hardware Installation Steps:
1. Power off the host PC and remove the cover.
2. Insert the CP‑132S board into an available 32‑bit PCI slot.
3. Secure the board with the bracket screw.
4. Replace the system cover and power on the PC.
5. The PCI BIOS automatically assigns IRQ and I/O addresses.
6. Proceed with driver installation for the target operating system.

Switch and Jumper Configuration:
- Interface Switch (SW2):
- ON = RS‑485 mode
- OFF = RS‑422 mode
- Data Mode Switch (SW1):
- ON = Automatic Data Direction Control (ADDC)
- OFF = By RTS mode
- Termination Resistor Jumpers (JP1/JP2):
- Open = No termination
- Short = 120‑ohm termination enabled

Software Installation:
- Windows NT: Install via Control Panel → Network → Adapters → Add → Have Disk. Configure COM port numbers and FIFO settings.
- Windows 95/98: Plug‑and‑Play detection; driver installation via “Have Disk” method. Configure COM port mapping and FIFO parameters.
- DOS: Run `DOSINST.EXE` to install API‑232 drivers, then configure ports using `SETUP.EXE`.

Driver Configuration:
- Assign COM numbers (up to COM256 under NT, COM128 under Win95/98).
- Adjust FIFO trigger levels (Rx: 1/4/8/14 bytes; Tx: 1–16 bytes).
- Up to four boards can coexist; each requires a unique IRQ and I/O address.




### 7. Performance & Capabilities

- Data Rate: Up to 921.6 Kbps per port, full‑duplex (RS‑422) or half‑duplex (RS‑485).
- FIFO Buffers: 32‑byte transmit and receive buffers per UART for efficient interrupt handling.
- Flow Control: Hardware (RTS/CTS) and software (XON/XOFF) supported.
- Communication Distance: Up to 4000 ft (approx. 1200 m) for RS‑422/RS‑485.
- Device Capacity: Up to 32 devices per RS‑485 port in multidrop configuration.
- Surge Immunity: 25 kV ESD and 2 kV EFT protection ensures stable operation in electrically noisy environments.
- Reliability: Designed for continuous 24/7 operation in industrial control systems.
- Limitations: No optical isolation (available on CP‑132I/IS models); limited to 0–55 °C operating temperature range.




### 8. Standards & Compliance

- PCI Compliance: PCI Specification 2.1
- Electrical Standards:
- RS‑422 (TIA/EIA‑422‑B)
- RS‑485 (TIA/EIA‑485‑A)
- Surge Protection: TVSS (Transient Voltage Surge Suppressor) integrated
- ESD/EFT Ratings:
- ESD: ±25 kV (air discharge)
- EFT: ±2 kV
- Environmental: Designed for industrial temperature range (0–55 °C)
- Software Standards:
- Windows NT/95/98 drivers conform to Win32 COMM API
- DOS drivers compatible with API‑232 standard
- Quality & Safety: Manufactured under Moxa’s ISO‑certified quality management system.




### 9. Additional Information

Warranty:
Standard Moxa limited hardware warranty (typically 3 years; refer to Moxa’s regional policy). Covers defects in materials and workmanship under normal use.

Technical Support:
- Email: support@moxa.com.tw
- FTP: ftp.moxa.com / ftp.moxa.com.tw (User ID: ftp, Password: your_email_address)
- Online resources: driver updates, manuals, FAQs, and troubleshooting guides.

Maintenance:
- No periodic maintenance required beyond ensuring clean PCI contacts and secure cable connections.
- Firmware and driver updates available via Moxa’s FTP and website.
- Diagnostic utilities (`PComm` Diagnostic, `BIN\DIAGNOSE.EXE`) assist in verifying hardware and communication integrity.

Software Tools Overview:
- `PComm` (Windows):
- Serial communication library for Win32 API applications.
- Includes terminal emulator (VT100/ANSI), data monitor, and diagnostic utilities.
- Supports file transfer protocols (ASCII, XMODEM, YMODEM, ZMODEM, KERMIT).
- `API‑232` (DOS):
- Serial programming library supporting C, Pascal, BASIC, Assembly, and Clipper.
- Includes Data Scope and Diagnose utilities for debugging and monitoring.

Cable Wiring Reference:
- RS‑422 Pinout (DB9 Male):
1 = TxD‑(A), 2 = TxD+(B), 3 = RxD+(B), 4 = RxD‑(A), 5 = GND, 6 = RTS‑(A), 7 = RTS+(B), 8 = CTS+(B), 9 = CTS‑(A).
- RS‑485 Pinout (DB9 Male):
1 = Data‑(A), 2 = Data+(B), 5 = GND.
- Termination: 120 Ω resistors selectable via JP1/JP2; recommended at receiving ends for impedance matching.

Troubleshooting Highlights:
- Board Not Detected: Verify PCI slot functionality, ensure IRQ availability, reseat board.
- No Data Transfer: Check cable wiring, verify COM port configuration, test with `PComm` Diagnostic.
- IRQ Conflicts: Adjust PCI BIOS settings to assign unique IRQs.
- Driver Issues: Reinstall or update drivers using “Have Disk” method; ensure correct OS version.

Return & RMA Procedure:
- Obtain RMA number from Moxa or authorized dealer.
- Provide proof of purchase and completed Problem Report Form.
- Ship product in anti‑static packaging with RMA number clearly marked.




### Summary

The Moxa Industio CP‑132S is a robust, surge‑protected, dual‑port RS‑422/RS‑485 PCI serial communication board engineered for industrial environments. It combines high‑speed data transfer (up to 921.6 Kbps), intelligent RS‑485 control, and comprehensive software support across multiple operating systems. With built‑in 25 kV ESD protection, jumper‑selectable termination, and automatic PCI resource configuration, the CP‑132S delivers reliable, maintenance‑free operation for automation, data acquisition, and control applications. Its compatibility with Moxa’s `PComm` and `API‑232` toolkits further simplifies integration and application development, making it a proven solution for industrial serial connectivity.

No accessories available.