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- IC693MDL940
- Relay Output Module
- USA
- 92 x 118 x 22 mm
- 0.2 kg
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Product Overview
The GE IC693MDL940 Relay Output Module is a high-reliability electromechanical output module designed for GE Series 90-30 PLC systems. It is used to switch a wide range of AC and DC field loads such as motors, solenoids, contactors, alarms, and indicator devices.
Unlike transistor output modules, this relay module provides dry-contact switching, allowing it to control both AC and DC circuits with high electrical isolation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE |
| Model | IC693MDL940 |
| Product Type | Relay Output Module |
| System Compatibility | GE Series 90-30 PLC |
| Slot Requirement | 1 slot |
| Output Type | Relay (dry contact) |
| Number of Outputs | 16 channels |
| Contact Type | Form A (NO) + Form C (mixed groups) |
| Output Grouping | 4 groups of 4 outputs |
| Rated Voltage | 5–30 VDC / 5–250 VAC |
| Frequency (AC) | 50/60 Hz |
| Output Current | 2 A per output |
| Max Current per Common | 4 A |
| Minimum Load | 10 mA |
| Maximum Inrush Current | 5 A |
| Isolation | 1500 V field-to-logic, 500 V group isolation |
| Response Time | ~15 ms ON / OFF |
| Indicators | LED status per channel |
| Communication | PLC backplane communication |
| Mounting Type | Rack-mounted |
| Material | Industrial-grade electronic module |
| Dimensions | 92 × 118 × 22 mm |
| Weight | 0.2 kg |
| Operating Environment | Industrial automation systems |
| Temperature Range | 0°C to 60°C |
Function and Working Principle
The IC693MDL940 operates as a relay-based switching interface between PLC logic and industrial field devices.
Its working principle includes:
- Receiving digital output commands from the PLC CPU
- Energizing internal relay coils
- Mechanically closing or opening relay contacts
- Switching external AC or DC loads independently
- Providing galvanic isolation between control logic and field circuits
Because it uses mechanical contacts, it can switch both AC and DC loads in the same module, making it highly versatile.
Role in Industrial Control Systems
Within GE Series 90-30 PLC architectures, the IC693MDL940 is used for:
- Driving high-power industrial loads
- Switching mixed AC/DC field devices
- Providing electrical isolation between PLC and equipment
- Controlling motors, valves, and contactors
- Supporting multi-voltage output systems
Industrial Applications
The GE IC693MDL940 is widely used in:
- Industrial automation systems
- Motor control circuits
- Conveyor and material handling systems
- Pump and compressor control
- Solenoid valve control systems
- Alarm and signaling systems
Installation and System Integration
Recommended installation practices include:
- Installing in GE Series 90-30 PLC racks
- Wiring field loads according to group common terminals
- Ensuring correct voltage matching (AC or DC load side)
- Using proper external protection (fuses or breakers recommended)
- Avoiding excessive inductive load switching without suppression
Proper installation ensures long relay contact life and stable operation.
Compatible System Components
The IC693MDL940 typically works with:
- GE Series 90-30 CPU modules (IC693CPU series)
- Digital input modules
- Power supply modules
- Industrial actuators (motors, solenoids, relays)
- Control panels and relay interlocking systems
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| IC693MDL940 | Relay Output Module | 16-point relay output | Mixed AC/DC switching |
| IC693MDL732 | Output Module | Positive logic DC output | Fast switching control |
| IC693MDL731 | Output Module | Negative logic DC output | Sinking applications |
| IC693MDL734 | Output Module | Dual logic DC output | Flexible control systems |
| IC693MDL740 | Output Module | Relay/alternative output | High-flexibility switching |
Key Advantages
- Supports both AC and DC load switching
- High electrical isolation (relay-based design)
- Flexible output configuration (multiple groups)
- Handles inductive loads such as motors and solenoids
- Robust industrial-grade durability
- Suitable for mixed-voltage control systems
Technical FAQs
What is the main function of IC693MDL940?
It switches external AC and DC loads using relay contacts controlled by the PLC.
Is it limited to DC or AC?
No, it can switch both AC (up to 250V) and DC (up to 30V).
How many outputs does it have?
It provides 16 relay output channels.
What makes it different from transistor output modules?
It uses mechanical relay contacts, allowing higher flexibility and electrical isolation.
Conclusion
The GE IC693MDL940 Relay Output Module is a versatile and robust output solution for GE Series 90-30 PLC systems. With 16 relay channels, support for both AC and DC loads, and strong isolation characteristics, it is ideal for industrial environments requiring flexible and reliable output switching.