ABB AI843 3BSE028925R1 Analog S800 I/O Modules

ABB AI843 3BSE028925R1 Analog I/O Modules

Article number:3BSE028925R1

Type:Analog Input

Signal specification:-30..75 mVlinear, TC types B, C, E, J, K, L, N, R, S, T and U

Number of channels:8

Signal type:See table

HART:No

SOE:No

Redundancy:Yes

High integrity:No

Intrinsic safety:No

Mechanics:S800

The AI843 Thermocouple/mV Input Module provides 8 differential input channels for Thermocouple/mV measurements. Measurement ranges configurable per channel are: -30 mV to +75 mV linear, or TC Types B, C, E, J, K, L, N, R, S, T and U. A separate Pt100 channel is used for “Cold Junction” (ambient) temperature measurements, thus serving as CJ-channel for Ch. 1...8.  

The junction temperature may be measured locally on the MTUs screw terminals, or on a connection unit distant form the device. Alternatively, a fix junction temperature for the module may be set by the user (as parameter) or a junction temperature set by the application.

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