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VersaMax® Modules, Power Supplies, and Carriers User's Manual – March 2003
GFK-1504K
13
IC200MDD841
Mixed Module, 24VDC Positive Logic Input 20 Points / Output 12 Point /
(4) High Speed Counter, PWM, or Pulse Train Configurable Points
Discrete I/O module IC200MDD841 has twenty 24VDC positive-logic type inputs and
twelve positive-logic 24VDC 0.5Amp outputs.
In its default configuration, the module provides four Type A high-speed counter inputs
and outputs plus twelve standard inputs and eight standard outputs.
Each counter provides direct processing of rapid pulse signals up to 80KHz for industrial
control applications such as velocity measurement, material handling, and process control.
OK
1234567 814
IND CONT EQ FOR HAZ LOC
CLASS I DIV 2 GROUPS ABCD
Ambient 60C
CLASS I ZONE 2 GROUP IIC
CLASS I ZONE 2 Ex nA IIC 0C
≤
Ta
≤
60C
Ex nV II Demko No. 98Y.125014
IC200MDD841
HSC/PWM/PT 24VDC
IN 20PT OUT .5A 12PT
1
2
3
4
5
6
7
8
9 10 11 12 17 18 19 20
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
FLD
PWR
Q/I
I
8M89
When the module is installed in a VersaMax PLC, its inputs and outputs can be re-
configured for a wide variety of applications:
The high-speed counter inputs can be set up as standard high-speed inputs, as four
type A counters, as two type A counters plus one A-quad-B counter, or as one type A-
quad-B counter with homing capability.
Four of the outputs can be configured as pulse-width modulated (PWM), pulse train,
ramping pulse train, or high speed counter outputs.
When configured for PWM operation, the frequency of each PWM output is selectable in
the range of 22Hz to 2KHz. The % duty cycle of each PWM output can be set from 1 to
100% depending on the frequency of the PWM output. See the PWM Outputs section of
this chapter for further details.
When configured as pulse train or ramping pulse train outputs, the sum of frequencies may
be up to 5,000 pulses per second. Acceleration and deceleration can be selected from 10 to
1,000,000 p/s
2
.
Power for module operation comes from the backplane. Output devices must be powered
by external voltage.
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