Description
Product Parameters
- Model Number: IOM4.2 (Part Numbers: 2044230041E / 2044230040H)
- Series: Multi-line 2 (ML-2)
- Digital Inputs: 10 Configurable Inputs
- Digital Outputs: 4 Relay Outputs
- Communication: Plug-and-play interface for DEIF controllers
- Mounting: Internal plug-in module for GPU/GPC/AGC units
- Operating Temperature: -25°C to +70°C
- Country of Origin: Denmark
- Weight: 0.44 lbs (0.20 kg)
- Dimensions: 3.74 in x 2.16 in x 0.79 in (95 mm x 55 mm x 20 mm) The DEIF IOM4.2 is a versatile expansion module designed to increase the I/O capacity of Multi-line 2 controllers, such as the AGC, GPU, and GPC series. It provides an additional 10 digital inputs and 4 relay outputs, allowing for more complex monitoring and control of generator sets and power management systems. The module is engineered for high reliability in marine and land-based power plant environments, featuring a compact “plug-in” design that fits directly into the expansion slots of the main controller unit, thereby eliminating the need for external wiring or additional DIN rail space.
DEIF IOM4.2 2044230041E 2044230040H
DEIF IOM4.2 2044230041E 2044230040H
DEIF IOM4.2 2044230041E 2044230040H
Model Comparison
The IOM4.2 differs from the earlier IOM4.1 primarily in its hardware revision and internal component sourcing, which are reflected in the updated part numbers 2044230041E and 2044230040H. While both provide the same 10-input/4-relay configuration, the “4.2” version features improved electrical noise immunity and is required for newer firmware versions of the AGC-3 and AGC-4 controllers. Compared to the IOM1, which focuses on analog signals, the IOM4.2 is strictly a digital expansion tool, making it the standard choice for monitoring discrete status signals like breakers, alarms, and auxiliary contacts.
Operation Tips
- Slot Assignment: Refer to the controller’s hardware manual to identify which slots (usually Slot #5 or #7) support the IOM4.2; incorrect placement can prevent the module from being recognized by the CPU.
- Firmware Sync: After installation, check the controller’s display or use the DEIF Utility Software (USW) to verify that the module hardware version is compatible with the controller’s current firmware.
- Relay Protection: While the relay outputs are robust, ensure inductive loads (like large solenoid valves) are equipped with flyback diodes or RC snubbers to prevent contact arcing and prolong the module’s life.
- Static Handling: As this is an internal plug-in module with exposed PCB traces, ensure the controller is completely powered down and you are properly grounded before inserting or removing the card.
