7-46 VersaMax Modules, Power Supplies and Carriers User's Manual
GFK-1504N
7
IC200MDL643
Input Module, 5/12 V DC Pos/Neg Logic Grouped 16 Points
Discrete input module IC200MDL643 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. The module supports positive and negative logic inputs. For the
inputs to be compatible with TTL devices, the negative logic configuration
should be used.
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OK
IC200MDL643
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INPUT 5/12VDC
POS/NEG GRP 16PT
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. Backplane
power must be present for LEDs to provide status of inputs.
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 0.25 ms.
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 0.25ms, 1.25ms, and 7.25ms respectively. The default is
1.0ms filter time (total response time is 1.25ms).
