GFK-1504K
Chapter 9 Discrete Mixed Modules
9-27
9
IC200MDD846
Mixed Module, Output Relay 2.0A per Pt Isolated 8 Points /
Input 120VAC Grouped 8 Points
Discrete input/output module IC200MDD846 provides 8 discrete inputs and 8 relay outputs.
Inputs are positive logic or sourcing-type inputs; they receive current from devices and return
the current on the common. Outputs are individually-isolated relays which can drive a
maximum of 2A per output. These are Form A relay outputs where the contact is closed
when the host CPU is active and the corresponding output logic bit is “1”.
1234567 831
IND CONT EQ FOR HAZ LOC
CLASS I DIV 2 GROUPS ABCD
Temp Code T4A Ambient 60C
CLASS I ZONE 2 GROUP IIC TA4
Ex nA IIC T4 0C
≤
Ta
≤
60C
Ex nV T4 Demko No. 98Y125014
OK
IC200MDD846
OUT RLY 2A ISO 8PT
IN 120VAC 8PT
OK
Q
I
6M89
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Power for module operation comes from the backplane. Output loads must be powered by
an external source.
Intelligent processing for the module is performed by the CPU or NIU. The module
provides 8 bits of discrete input data and receives 8 bits of discrete output data.
LED Indicators
Individual green LEDs indicate the On/Off states of the output points and input points.
Operation of the output LEDs is logic driven and independent of the load conditions.
The green OK LEDs are on when backplane power is present to the module.
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