The GE Fanuc IC200MDD844, also cataloged as the IC200MDD844 Discrete Mixed I/O Module, operates as a dedicated hardware component for discrete signal processing within VersaMax PLC backplane systems.
| Parameter | Specification |
|---|---|
| Model | IC200MDD844 |
| Brand | GE Fanuc Emerson |
| Origin | USA / Various |
| Weight | 0.17 kg (0.38 lbs) |
| Dimensions | Standard VersaMax module footprint |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 70 mA at 5 VDC backplane |
| Total I/O Count | 32 Points |
| Input Channels | 16 points (2 groups of 8), positive logic |
| Input Voltage Range | 0 to 30 VDC |
| Output Channels | 16 points (1 group of 16), sourcing/positive logic |
| Output Voltage Range | 10.2 to 30 VDC (0.5 A per point at 30 VDC) |
| On/Off Response Time | 0.5 ms default (configurable filters: 0 ms, 1 ms, 7 ms) |
The module communicates over the VersaMax backplane bus at a operating potential of 5 VDC, transferring high-density input and output states directly into the CPU image table. Internal logic buffers field input channels using configurable hardware filtering options (0 ms, 1 ms, or 7 ms) to eliminate mechanical contact bounce and electromagnetic interference before transmitting deterministic data across the system bus. Firmware flash compatibility across the VersaMax family ensures direct alignment with system controllers, while solid-state switching execution maintains microsecond-level response times for critical output loads without physical contact wear.
Q: What are the backplane power supply limitations when deploying this high-density I/O module?
A: The module draws 70 mA from the 5 VDC backplane supply rail. Total backplane load calculations must account for this draw alongside other attached VersaMax expansion modules to prevent voltage drop across the carrier logic bus.
Q: How do input filter settings affect field signal execution speed?
A: The default input filter time is 1 ms, providing standard signal stabilization. Disabling the filter achieves a rapid 0.5 ms response time, whereas selecting a 7 ms filter provides maximum noise rejection in high-interference industrial field environments.
Q: What hardware revision is required for 12 V negative logic output operation?
A: Standard IC200MDD844 hardware operates with 10.2 to 30 VDC positive/sourcing logic. Applications requiring 12 V negative logic output execution require upgrading the hardware module to revision IC200MDD844C or later.
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