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VersaMax® Modules, Power Supplies, and Carriers User's Manual – March 2003
GFK-1504K
7
IC200MDL640
Input Module, 24VDC Pos/Neg Logic 16 Points
Discrete input module IC200MDL640 provides two groups of 8 discrete inputs.
Inputs in each group can be either positive logic inputs that receive current from
input devices and return the current on the common, or negative-logic inputs that
receive current from the common and return current to the input device. Input
devices are connected between the input terminals and common terminals.
1234567 831
60C
OK
IC200MDL640
1
2
3
4
5
6
7
8
9
10
11 12 13
14 15 16
I
INPUT 24VDC
POS/NEG GRP 16PT
IND CONT EQ FOR HAZ LOC
CLASS I DIV 2 GROUPS ABCD
Teno Code T4A Ambient 60C
CLASS I ZONE 2 GROUP IIC T4
Ex nA IIC T4 0C
≤
To
≤
60C
Ex nV II T4 Demko No 98Y.125014
Note: Negative-logic functionality requires module version IC200MDL640C or
higher.
Power for module operation comes from the backplane.
Intelligent processing for this module is performed by the CPU or NIU. The module
provides 16 bits of discrete input data.
LED Indicators
Individual green LEDs indicate the on/off state of each input point.
The green OK LED is on when backplane power is present to the module.
Configuration Parameters
The module’s basic input on/off response time is 0.5ms.
For some applications, it may be preferable to add additional filtering to compensate
for conditions such as noise spikes or switch bounce. Input filter times of 0ms,
1.0ms, or 7.0ms are selectable via software configuration, for total response times of
0.5ms, 1.5ms, and 7.5ms respectively. The default is 1.0ms filter time (total response
time is 1.5ms).
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