General Electric IC694MDL940 Voltage Output Module

The GE IC694MDL940 is a high-performance voltage output module designed for use with the GE Fanuc PACSystems RX3i series programmable automation controllers. This module provides 8 voltage output channels, each capable of delivering analog voltage signals for industrial automation and process control applications. With its robust design, high precision, and reliable output characteristics, the IC694MDL940 plays a critical role in interfacing controllers with devices such as actuators, valves, and signal converters.

Ideal for applications where accurate and programmable voltage signals are required, this module supports a wide output range and integrates seamlessly into GE Fanuc control systems. Its strong EMI/RFI immunity and robust diagnostics make it a dependable choice for demanding environments.

Technical Specifications

Applications

The IC694MDL940 module is versatile and finds its use in a wide array of industrial applications:

• Process Control Systems – For regulating process variables through analog voltage signals.

• Manufacturing Automation – To interface with voltage-controlled actuators and VFDs.

• Water and Wastewater Treatment – For precise pump and valve control.

• HVAC Systems – Managing voltage-driven dampers and control valves.

• Material Handling – To control speed and position of motors through voltage interfaces.

• Energy and Utilities – For analog control within substations and remote terminal units (RTUs).

Advantages

• High Accuracy & Resolution: With a 12-bit resolution and ±0.1% accuracy, this module ensures precise voltage output for critical applications.

• Robust Diagnostics: Built-in diagnostics help reduce system downtime by identifying output faults quickly.

• Electrical Isolation: Strong 1500V RMS isolation enhances safety and minimizes signal interference.

• Flexible Configuration: Each channel can be independently configured, providing application flexibility.

• System Compatibility: Seamlessly integrates into PACSystems RX3i platforms, ensuring ease of installation and maintenance.

• Durability: Engineered to withstand industrial environments with wide temperature and humidity tolerance.

Frequently Asked Questions (FAQ)

1. Q: What is the main function of the IC694MDL940 module?

   A: It provides 8 channels of analog voltage output for interfacing with control devices that require 0–10 VDC signals.

2. Q: Can this module be used for current output?

   A: No, the IC694MDL940 is specifically designed for voltage output. For current output, a different model is required.

3. Q: What is the resolution of the analog output?

   A: The module provides 12-bit resolution, which equates to 4096 discrete voltage levels.

4. Q: Is this module hot-swappable?

   A: Yes, the IC694MDL940 supports hot-swapping with appropriate PACSystems hardware and firmware configurations.

5. Q: What kind of devices can be controlled using this module?

   A: Devices like variable frequency drives (VFDs), control valves, and analog signal converters that accept voltage input.

6. Q: What type of isolation does this module provide?

   A: 1500V RMS isolation between channels and the backplane to prevent ground loops and improve safety.

7. Q: Is external power required for the outputs?

   A: No, all necessary power is derived from the backplane of the RX3i system.

8. Q: Can the output range be configured per channel?

   A: No, all channels operate within the fixed range of 0–10 VDC.

9. Q: What diagnostic features are included?

   A: The module supports fault reporting and open-wire detection.

10. Q: Is this module suitable for high-speed control applications?

    A: With a 3 ms update rate per channel, it is suitable for most standard-speed analog control applications.