NI cFP-CB-3 Compact FieldPoint Thermocouple Screw Terminal Connector Block

Technical Specifications

Model:cFP-CB-3

Brand:NI

Part No:cFP-CB-3

Product type:Compact FieldPoint Thermocouple Screw Terminal Connector Block

Terminals:36 screw terminals,12–24 AWG wire gauge

Cold junction compensation:isothermal construction,0.3℃ max cold junction error

Voltage rating:250Vrms CAT II,2300V transient withstand

Terminal current:4A per signal terminal,6A aggregate for power terminals

Feature:built-in wire strain relief,tie-wrap anchors

Dimension:109.5mm91.4mm25.4mm

Weight:0.201kg

Interface:front screw terminals,backplane mating connector for single-width cFP I/O modules

Operating temperature:-40℃ ~ +70℃

Storage temperature:-55℃ ~ +125℃

Relative humidity:10~90% non-condensing

Certification:CE,Class I Division 2

System compatibility

cFP-CB-3 belongs to NI Compact FieldPoint platform.It mates with single-width Compact FieldPoint I/O modules and cFP-BP series backplanes,optimized for thermocouple temperature acquisition modules,widely used for industrial temperature signal wiring.It is spare part for legacy automation equipment overhaul.

Function

cFP-CB-3 is isothermal screw terminal connector block specially designed for thermocouple measurement.It adopts isothermal structure to minimize temperature gradient for accurate cold junction compensation,with wire strain relief for anti-vibration wiring.It supports hot-swap I/O module replacement without removing field thermocouple wires.

Installation

Mount cFP-CB-3 onto the front of single-width Compact FieldPoint I/O module,tighten captive mounting screws.Wire thermocouple cables to front screw terminals.Take ESD protection before installation.

Interface

‑Front 36 screw terminal block for thermocouple and field wiring

‑Rear mating connector to cFP I/O module

‑Wire tie anchor points for cable fixing

Feature

cFP-CB-3 classic NI thermocouple dedicated terminal block.Typical faults:screw terminal corrosion,isothermal sensor damage,connector pin oxidation.Inspect terminals and wire connections before replacement.

Diagnostic

Fault phenomenon:temperature reading drift,intermittent signal,poor contact.Check terminal screw tightness,clean contact pins,verify cold junction compensation status.

Product Brief

cFP-CB-3 is NI Compact FieldPoint 36-point isothermal screw terminal block dedicated for thermocouple signals,with built-in cold junction compensation and wire strain relief,used for industrial temperature measurement wiring.Mainly used for maintenance and replacement of old industrial automation equipment.ESD protection must be followed during handling.