GE IC200MDD845 VersaMax 24-Point Relay I/O Module
The IC200MDD845 is a GE Fanuc VersaMax combination discrete I/O module. It offers 16 positive logic inputs and 8 individually isolated Form A relay outputs rated at 2.0 A.
GE IC200MDD846 Mixed I/O Module for VersaMax Systems
Product Introduction
The IC200MDD846 mixed I/O module comes from GE Fanuc and belongs to the VersaMax product family. It integrates discrete inputs and outputs into a single device. This design improves machine flexibility and reduces the number of separate modules needed in a panel. Specifically, the unit provides 16 I/O points split into 8 inputs and 8 outputs.
The input group draws current from attached field devices and returns it to the common line. These inputs use positive logic or sourcing type operation. Meanwhile, the output group uses Form A relays with silver contacts, a fixed coil, and a moving framework. Because each output point is isolated, the module suits applications that mix different load voltages. As a result, engineers can control AC and DC loads from one compact unit.
Technical Specifications
The table below summarizes the key technical data for the IC200MDD846 module.
| Parameter | Value |
|---|---|
| Brand | GE Intelligent Platforms / GE Fanuc |
| Series | VersaMax |
| Part Number | IC200MDD846 |
| Product Type | Mixed I/O Module |
| I/O Points | 16 |
| Inputs | 8 |
| Outputs | 8 |
| Input Type | Positive Logic / Sourcing |
| Input Voltage | 24 V DC |
| Output Type | Form A Relay, Isolated |
| Maximum Output Current | 2 A |
| Output Voltage | 120/240 VAC, 5/24/125 VDC |
| Voltage Drop | 0.3 V |
| Backplane Current | 300 mA maximum |
| Carrier Base | IC200CHSxxx required |
| LED Indicators | Yes, plus OK LED |
Each output point handles a maximum current load of 2 A. The output voltage covers 120 or 240 VAC and 5, 24, or 125 VDC. Additionally, the module shows a voltage drop of 0.3 V across its output path. This low drop reduces power loss and keeps load voltages stable. The unit draws all required power from the rack-mounted backplane. Its maximum current consumption reaches 300 mA.
Status Monitoring and Control
Every input and output point has a corresponding LED indicator. These LEDs show the on and off status of each channel. Moreover, an OK LED confirms that backplane power is present. This visual feedback helps technicians verify wiring and signal activity during commissioning.
The IC200MDD846 needs a Network Interface Unit or a CPU to process its data. It also requires an IC200CHSxxx carrier base for mounting and connection. Without these components, the module cannot operate within the control system. Therefore, users should plan their VersaMax configuration carefully before installation.
Mechanical and Environmental Parameters
The IC200MDD846 follows the standard VersaMax form factor. It mounts on a carrier base inside a control cabinet. The compact housing fits tight panel layouts and saves valuable space. Additionally, the module relies on the backplane for logic power. External loads need a separate field supply.
Proper grounding and shielding reduce electrical noise in the panel. Besides, keep the cabinet within recommended temperature and humidity limits. Allow adequate airflow around the module for stable thermal performance. These practices extend service life and maintain reliable operation in demanding factory environments.
Installation Guide
First, turn off all power before mounting the IC200MDD846 module. Next, attach the unit to an IC200CHSxxx carrier base. Then, slide the assembly onto the DIN rail until it locks into place. After that, connect the field wiring to the correct terminals. Remember that one group holds 8 inputs and one group holds 8 outputs.
Furthermore, use wiring rated for the relay contact load. Keep high-voltage output cables away from low-level input signals. Meanwhile, verify the input voltage stays within the 24 VDC nominal range. Finally, apply power and check the LED indicators. Confirm that each channel responds correctly before full operation.
Packaging List
1 x GE Fanuc IC200MDD846 Mixed I/O Module
1 x Anti-static protective bag
1 x Original cardboard box
FAQ
Q1: What is the main function of the IC200MDD846 module?
A1: The IC200MDD846 combines discrete inputs and relay outputs in one unit. It provides 16 I/O points for VersaMax control systems.
Q2: How many inputs and outputs does this module offer?
A2: The module provides 8 positive logic inputs and 8 isolated Form A relay outputs. Each output handles up to 2 A.
Q3: What output voltages does the IC200MDD846 support?
A3: The relay outputs support 120 or 240 VAC and 5, 24, or 125 VDC. The voltage drop measures 0.3 V.
Q4: What accessories does this module require?
A4: The module needs an IC200CHSxxx carrier base and a Network Interface Unit or CPU. These parts handle mounting and data processing.
Q5: What is the maximum backplane current consumption?
A5: The IC200MDD846 draws up to 300 mA from the backplane. External loads require a separate field power source.
