cFP‑2120 (National Instruments)

Compact FieldPoint Real‑Time Controller (EOL, top‑end in 21xx series)

1. General Description

2. Part Number

• Model: cFP‑2120

• NI PN: 777317‑2120, 190187H‑01

3. Key Specifications

• Processor: 188 MHz real‑time CPU

• Memory:

  • RAM: 128 MB DRAM

  • Non‑volatile: 128 MB onboard

  • Expansion: CompactFlash slot (max 512 MB)

• I/O Slots: 8 hot‑swappable cFP modules

• Communication:

  • Ethernet: 10/100 Mbps RJ45 (Modbus TCP, NI protocols)

  • Serial: 3×RS‑232 DB9 + 1×RS‑485

  • Baud rate: 110–115,200 bps

• OS: LabVIEW Real‑Time (preinstalled, v8.6–v201x)

• Programming: LabVIEW RT, NI MAX

• Power: 11–30 VDC (24 V nominal), redundant input support

• Power Consumption: ~7 W + I/O load

• Operating Temperature: ‑20 °C to +55 °C (standard); ‑40 °C to +70 °C (extended)

• Mounting: DIN rail / panel mount

• Status: Discontinued / EOL

4. Main Features

• Max I/O & connectivity: 4 serial ports (3×232+1×485) + 128 MB RAM/flash for complex logic and multi‑device communication

• All‑in‑one: controller + 8‑slot backplane

• Standalone operation: runs without host PC

• Hot‑swap I/O: replace modules online

• Industrial ruggedness: isolation, 2300 V transient protection, Class I Div 2 certified

5. Applications

• Industrial distributed real‑time control

• Factory automation & process monitoring

• Multi‑serial‑device systems (Modbus RTU, scanners, printers)

• Remote data acquisition & high‑capacity standalone logging

• Environmental & building automation

• Legacy Compact FieldPoint system upgrades