UF20 NPN/PNP Digital Input Modules

UF20 Eight Channel Digital Input Module
UF20 Sixteen Channel Digital Input Module
UF20 Thirty Two Channel Push-In Input Module
UF20 Thirty Two Channel MIL Input Module

Series Part Number

Part Number: UF20 - 32 DI - NP - M
Explanation:

Platform

UF20 - UF20 I/O platform; this breakdown covers its four listed digital-input models

Inputs

8 - 8 inputs; push-in only
16 - 16 inputs; push-in only
32 - 32 inputs; push-in or MIL connector

Function

DI - Digital input

Signal Type

NP - NPN and PNP inputs

Interface

M - MIL connector; 32-input model only
Blank - Push-in terminals; omit this field and its preceding hyphen

Description

Digital input selection

UF20 digital input modules accept NPN and PNP signals for a UF20 I/O assembly. Select channel count, process data size and connection style together. The 32-channel MIL version has a connector interface; the other three models use push-in terminals.

ModelInputsData sizeInterfaceWidthSystem supply current
UF20-8DI-NP81 bytePush-in12mm<19mA
UF20-16DI-NP162 bytesPush-in12mm<65mA
UF20-32DI-NP324 bytesPush-in24mmNot specified
UF20-32DI-NP-M324 bytesMIL connector24mmNot specified

Shared input characteristics

CharacteristicAll four models
Signal typesNPN and PNP
Input connection1-line
Operating voltage24V DC, +20%/-15%
Reverse protectionProvided
IsolationOptical isolation
Fault diagnosisSupported

Push-in terminal wiring

The following conductor limits apply to UF20-8DI-NP, UF20-16DI-NP and UF20-32DI-NP. The UF20-32DI-NP-M uses its MIL connector instead of these push-in terminals.

CharacteristicPush-in models
Conductor cross-section0.34-1.5mm²
Conductor sizeAWG22-AWG16
Stripping length8-10mm

Mounting and environment

CharacteristicAll four models
Height × depth75mm × 105mm; width varies by model
Mounting35mm DIN rail
Ingress protectionIP20
Operating temperature-10°C to +55°C
Storage temperature-20°C to +85°C
Relative humidity5-95%RH, non-condensing