I. Basic Information

Model: cFP-1808 (Part Number: 779463-01, 192163F-01)

Manufacturer: National Instruments (NI)

Type: 8-slot Distributed I/O Backplane (Compact FieldPoint Series)

Purpose: Connect cFP series I/O modules (analog, digital, thermocouple, etc.) to Ethernet/Serial Port to achieve remote data acquisition and control

II. Hardware Specifications

Number of slots: 8 I/O module slots

Network Interfaces:

Ethernet: RJ45, 10/100 Mbps (10BaseT/100BaseTX), TCP/IP, maximum 100 m per segment

Serial Port: RS-232 (DB9), used for configuration and serial I/O communication

Power Supply: 11–30 VDC

Power Consumption: Maximum 9 W per slot of the backplane

Installation: 19-inch rack mounting or panel mounting

Dimensions (approx.): 483 × 127 × 83 mm (19.0 × 5.0 × 3.3 in)

Weight (approx.): 1.8 kg (3 lbs 14.4 oz)

III. Supported Protocols

Ethernet: Modbus TCP, OPC, NI Event-Driven Ethernet Protocol

Serial Port (RS-232): Modbus ASCII/RTU, Optomux, NI Event-Driven Serial Protocol

IV. Typical Applications

Distributed data acquisition in industrial sites (temperature, pressure, flow, level, etc.)

Remote equipment monitoring and control

Factory automation, building automation, energy management system

Communication with third-party devices such as PLC, SCADA, HMI, etc.

V. Companion Software

NI-FieldPoint Driver

Measurement & Automation Explorer (MAX): Configuration of IP, module parameters, I/O mapping