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Product Introduction
The GE IC694MDL241 is a rugged, high-density AC/DC discrete input module designed for GE’s PACSystems RX3i series. This 16-point input module accepts both AC and DC voltage signals, providing exceptional flexibility for industrial automation environments. Its wide voltage range and dual-mode compatibility make it ideal for interfacing with a diverse array of field devices, from push buttons and limit switches to PLC-controlled outputs from other controllers.
This module is designed for use in environments where mixed signal types are common, reducing the need for separate AC and DC input modules. Engineered for reliability and ease of integration, the IC694MDL241 supports individual channel diagnostics and group isolation, making it a dependable choice for mission-critical control applications.
Product Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | GE Automation (General Electric) |
| Product Series | PACSystems RX3i |
| Model Number | IC694MDL241 |
| Module Type | Discrete Input Module |
| Input Voltage Type | AC/DC (Universal) |
| Nominal Input Voltage | 120 VAC / 125 VDC |
| Input Voltage Range (AC) | 0 – 132 VAC |
| Input Voltage Range (DC) | 0 – 125 VDC |
| Input Frequency (AC only) | 47 to 63 Hz |
| Number of Input Points | 16 |
| Input Current (AC) | ~8.5 mA @ 120 VAC |
| Input Current (DC) | ~2.6 mA @ 125 VDC |
| Logic “1” Threshold | ≥ 74 VAC / ≥ 90 VDC |
| Logic “0” Threshold | ≤ 20 VAC / ≤ 30 VDC |
| Input Isolation | 250 VAC continuous between field side and logic side |
| Group Isolation | Two 8-point groups, isolated from each other |
| Input Status Indicators | 16 LEDs (1 per channel) |
| Response Time | 1 cycle (max 20 ms typical) |
| Backplane Current (5V) | 110 mA |
| Backplane Current (3.3V) | 0 mA |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5% to 95% non-condensing |
| Mounting | DIN Rail or RX3i Baseplate |
| Dimensions (H x W x D) | 34 x 145 x 140 mm |
| Weight | 0.24 kg |
| Certifications | CE, UL, CSA, RoHS |
Product Applications
The IC694MDL241 finds its use across industries that demand robust monitoring of both AC and DC signal states. Its universal input support is particularly valuable in the following application scenarios:
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Process Automation – Monitoring sensor status or external control signals
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Industrial Control Systems – Reading signals from pushbuttons, limit switches, relay contacts
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Utility Substations – Accepting mixed DC (control voltage) and AC signals
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Transportation and Infrastructure – Signal interfacing for motor control systems
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Machine Tool Control – Enabling safe and deterministic signal input for safety relays and emergency circuits
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Water/Wastewater Treatment Plants – Mixed environment control panel wiring
Product Advantages
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Dual AC/DC Input Support: One of the few modules that natively handles both 120 VAC and 125 VDC signals.
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Flexible Signal Acceptance: Supports wide voltage ranges with high noise immunity.
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Group Isolation: Provides two isolated groups of 8 points, improving safety and protection.
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Compact Form Factor: 16 inputs in a slim profile, optimizing space in control cabinets.
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Built-in Diagnostics: Each input has its own LED indicator for real-time monitoring.
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Reduced Complexity: Eliminates the need for separate modules for AC and DC inputs.
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Compatible with RX3i Ecosystem: Seamless integration with PACSystems RX3i CPUs, racks, and power supplies.
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Industrial Durability: Wide operating temperature range and robust electrical insulation.
Frequently Asked Questions (FAQ)
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Q: Can I mix AC and DC signals on the same module?
A: Yes, but only if you keep AC and DC signals within separate 8-point input groups due to group isolation. -
Q: What is the advantage of dual-mode (AC/DC) inputs?
A: It allows the module to accept both signal types, reducing the need for separate input modules. -
Q: Are the inputs isolated?
A: Yes, the module provides group isolation between the two 8-point input groups. -
Q: Is this module compatible with older Series 90-30 systems?
A: No, the IC694MDL241 is specifically designed for RX3i systems and will not function in 90-30 backplanes. -
Q: What is the typical input current draw at 120 VAC?
A: Approximately 8.5 mA per channel at 120 VAC. -
Q: How are input statuses displayed?
A: Each input has a corresponding LED indicator on the front panel. -
Q: Is any software configuration required for this module?
A: Yes, configuration is done via GE’s Proficy Machine Edition when defining hardware. -
Q: Does this module support hot-swap?
A: Yes, if the RX3i system is configured for hot-swapping. -
Q: What happens if input voltage drops below threshold?
A: The input will register as logic “0” (off) when below threshold levels. -
Q: Can this module be mounted on any RX3i baseplate?
A: Yes, it is compatible with any RX3i universal baseplate.
Related Models from RX3i Series
| Model Number | Description | Type | I/O Count | Voltage Type |
|---|---|---|---|---|
| IC694MDL231 | 16-pt Discrete Input Module, 120/240 VAC | Input Module | 16 Inputs | AC |
| IC694MDL240 | 16-pt AC Output Module, 120/240 VAC | Output Module | 16 Outputs | AC |
| IC694MDL230 | 8-pt Discrete Input Module, 120 VAC | Input Module | 8 Inputs | AC |
| IC694MDL654 | 32-pt DC Output Module, 24 VDC | Output Module | 32 Outputs | DC |
| IC694MDL350 | 32-pt DC Input Module, 24 VDC | Input Module | 32 Inputs | DC |
| IC694MDL660 | 8-pt Relay Output Module | Output Module | 8 Outputs | Relay |
Popular GE Industrial Automation Models
| Model Number | Description | Series | Function | I/O Type |
|---|---|---|---|---|
| IC695CPU310 | RX3i CPU with 10MB memory and Ethernet | RX3i | CPU Controller | N/A |
| IC695PSA140 | RX3i Power Supply, 120/240 VAC | RX3i | Power Supply | AC Input |
| IC695ETM001 | RX3i Ethernet Module | RX3i | Communication Module | Ethernet |
| IC693MDL645 | 32-pt DC Input Module, 24 VDC | 90-30 Series | Input Module | Digital Input |
| IC693MDL930 | 8-pt Relay Output Module | 90-30 Series | Output Module | Relay |
| IC695ALG600 | 16-pt Analog Input Module (Voltage/Current) | RX3i | Analog Input Module | Analog |
