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- IC694MDL330
- Discrete Output Module
- USA
- 127 × 50 × 100 mm
- 0.358 kg
- Xiamen, China
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Product Overview
The GE IC694MDL330 PACSystems Rx3i Discrete Output Module is a discrete output module used in the PACSystems RX3i control platform to send switching commands from the PLC to external field devices.
In an automated machine, the controller may need to operate solenoid valves, relays, contactors, indicator circuits, or other discrete devices according to the running sequence. The IC694MDL330 handles the output side of this interaction, connecting the controller’s logic with the machine’s physical control circuits.
The module is suited to applications where several discrete outputs need to be grouped within an RX3i rack. For example, a packaging machine may use output channels for pneumatic valves, conveyor functions, clamps, alarms, and auxiliary mechanisms. Keeping these signals within a dedicated output module makes the machine’s I/O structure easier to organize and maintain.
For replacement work, the IC694MDL330 should be evaluated as part of the complete RX3i rack configuration rather than as an isolated output device.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | GE |
| Model | IC694MDL330 |
| Product Type | PACSystems Rx3i Discrete Output Module |
| Product Family | PACSystems RX3i |
| Main Function | Discrete Signal Output |
| System Role | PLC Output Module |
| Signal Type | Discrete Output |
| Application | Industrial Automation and Machine Control |
| Typical Use | Solenoids, Relays, Contactors and Discrete Actuators |
| Dimensions | 127 × 50 × 100 mm |
| Weight | 0.358 kg |
Product Features
The IC694MDL330 provides the discrete output interface required by many RX3i automation applications.
Key characteristics include:
- PACSystems RX3i platform compatibility
- Discrete output functionality
- Interfaces PLC logic with field devices
- Suitable for machine-control applications
- Supports discrete actuator control
- Useful for relay and solenoid circuits
- Installed as part of an RX3i modular I/O system
- Suitable for industrial control cabinets
- Dimensions of 127 × 50 × 100 mm
- Stated weight of 0.358 kg
The connected load and electrical requirements should be checked against the actual system configuration before commissioning or replacement.
Working Principle
A typical control path can be viewed as:
PACSystems RX3i CPU → I/O Backplane → IC694MDL330 → Field Wiring → Actuator
The PLC program determines when a particular output needs to change state. The command is transferred through the RX3i backplane to the corresponding output module.
The IC694MDL330 then switches the appropriate discrete output circuit, allowing the connected field device to respond.
For example, a PLC sequence may require a pneumatic cylinder to extend after a safety interlock and position condition have been satisfied. The program activates the corresponding output, and the output circuit drives the associated field device. A separate input module can then monitor a limit switch or proximity sensor to confirm that the cylinder has reached the expected position.
This input/output separation is common in machine automation and makes it easier to diagnose whether a problem originates in the control logic, I/O hardware, wiring, or field equipment.
Industrial Applications
The IC694MDL330 is suited to machine and process-control applications using the PACSystems RX3i platform.
| Application | Typical Use |
|---|---|
| Packaging Machinery | Valve and actuator commands |
| Material Handling | Conveyor and transfer equipment |
| Assembly Machines | Pneumatic and electrical actuators |
| Machine Tools | Auxiliary machine functions |
| Production Lines | Sequence-controlled outputs |
| Process Equipment | Discrete valve and relay control |
| Automated Test Equipment | Switching external control devices |
| Industrial Control Panels | Distributed discrete output control |
Its actual application depends on the output requirements of the connected equipment and the configuration of the RX3i system.
Compatible System Components
The IC694MDL330 normally operates as one part of a larger PACSystems RX3i installation.
| Component | Function |
|---|---|
| IC694MDL330 | Sends discrete output commands |
| PACSystems RX3i CPU | Executes PLC control logic |
| RX3i Backplane | Provides module interconnection |
| Discrete Input Module | Receives equipment status and sensor signals |
| Analog Input Module | Acquires continuous process signals |
| Analog Output Module | Sends continuous control signals |
| Relay / Contactor | Interfaces output commands with external equipment |
| Solenoid Valve | Converts electrical commands into pneumatic or mechanical action |
| Field Sensors | Provide feedback to the PLC |
| Terminal Blocks | Provide field wiring connections |
The IC694MDL330 should be matched with the appropriate RX3i rack arrangement, field wiring, connected loads, and controller configuration.
Installation and Maintenance
When installing or replacing the IC694MDL330, first identify the rack position and the field circuits associated with each output. This is particularly important on machines where several output channels operate similar devices.
Recommended checks include:
- Confirm the complete IC694MDL330 part number.
- Verify the PACSystems RX3i rack configuration.
- Confirm the intended module position.
- Check the connected field devices.
- Verify field wiring and terminal assignments.
- Inspect the module connector and mounting position.
- Check the RX3i backplane connections.
- Review the PLC output configuration.
- Monitor output-channel status during commissioning.
- Check external power circuits where applicable.
- Inspect relays, solenoids, contactors, or actuators connected to the affected channel.
- Verify the machine sequence after replacement.
If an output does not operate, check whether the PLC is actually commanding the channel before replacing the module. A wiring fault, missing field power, failed relay, or defective actuator can produce the same symptom.
Recommended Related Models
For the IC694MDL330, related components should be selected according to the RX3i system architecture and the type of field signals being controlled.
| Model / Component | Type | Primary Function | Application |
|---|---|---|---|
| GE IC694MDL330 | Discrete Output Module | Discrete control output | PACSystems RX3i |
| GE PACSystems RX3i CPU Modules | PLC CPU | Control logic execution | Machine and process automation |
| GE RX3i Discrete Input Modules | Input Module | Equipment and sensor feedback | Machine monitoring |
| GE RX3i Analog Input Modules | Input Module | Continuous signal acquisition | Process measurement |
| GE RX3i Analog Output Modules | Output Module | Continuous control output | Process and motion-related control |
| GE RX3i Power Supply Modules | Power Module | Rack power | RX3i control systems |
When selecting a replacement for the IC694MDL330, verify the RX3i rack configuration, output function, connected load, wiring, and PLC program requirements. Matching physical dimensions alone does not establish compatibility.
Key Advantages
- PACSystems RX3i platform compatibility
- Discrete output functionality
- Direct interface with machine control circuits
- Suitable for actuator and relay applications
- Supports modular PLC architectures
- Useful for automated machine sequences
- Suitable for industrial control cabinets
- Dimensions of 127 × 50 × 100 mm
- Stated weight of 0.358 kg
Technical FAQs
What is the IC694MDL330 used for in a PACSystems RX3i system?
The IC694MDL330 is used to provide discrete output signals from the RX3i control system to compatible field devices. Typical applications include controlling relays, solenoids, contactors, and other discrete actuators.
What should be checked if the PLC output changes state but the actuator does not respond?
The PLC command should first be confirmed, followed by the output-channel status, field wiring, external power circuit, and connected actuator. A problem outside the module can prevent the field device from responding even when the PLC logic is operating correctly.
Why should the rack position be verified when replacing an IC694MDL330?
The physical position of an I/O module is part of the overall RX3i hardware arrangement. Correct placement helps ensure that the installed hardware corresponds with the configured system and that field wiring remains associated with the intended output channels.
Can a different RX3i output module be substituted simply because it has the same physical size?
No. Output function, electrical characteristics, load requirements, rack configuration, and control-system compatibility must all be considered. Physical dimensions alone are not enough to confirm a suitable replacement.