Allen-Bradley 1797-IE8 Flex Ex analog input module

The Allen-Bradley 1797-IE8 is a Flex Ex analog input module. This module features an Intrinsically Safe (IS) input type with ratings of Ex ia IIB/IIC T4 AEx ia IIC T4 Class I, II, III Division 1 Group A-G T4 and Intrinsically Safe module type of Ex ib IIB/IIC T4 AEx ib IIC T4 Class I, II, III Division 1 Groups A-D T4.

The 1797-IE8 has Eight (8) non-isolated, analog input channels. Each channel is individually configured and capable of receiving 0-20 mA and 4-20 mA signals with resolution of 16-bits. It The analog data is internally converted into digital data with configurable data formats. The module has an accuracy of 0.1% of output signal range at 20 °C (68 °F) and Temperature drift of 0.05%/C of output signal range.

Technical specifications for 1797-IE8

ManufacturerRockwell Automation

Functional Data Range>15V @ 22 mA >21.5V @ 0 mA

Data FormatConfigurable

Resolution16 bits

BrandAllen-Bradley

Product Description:Flex Ex analog input Module

No. of inputs:Eight (8) non-isolated inputs

IS input typeEx ia IIB/IIC T4, AEx ia IIC T4, Class I, II, III Division 1 Group A-G T4

IS module type:Ex ib IIB/IIC T4, AEx ib IIC T4, Class I, Division 1 Group A-D T4

Indicators:8 red fault indicators 1 green power indicator

Terminal Base:1797-TB3 or 1797-TB3S

Conductor wire size:4 mm2 (12 gauge) stranded; max 1.2 mm (3/64 in.) insulation max

Keyswitch Position:3

Part Number/Catalog No.1797-IE8

Product TypeFLEX Ex I/O Module

Inputs8

Input TypeSingle-ended Non-isolated

Module Field-side Power Consumption7.5 W

Power Dissipation5.2 W

Thermal Dissipation17.75 BTU/hour

Step Response4 ms

Weight200 g