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- GE
- IC694MDL231
- 16-Point Discrete Input Module
- USA
- 34 x 145 x 140 mm
- 0.37kg
- Xiamen, China
- New & In Stock
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GE IC694MDL231 16-Point Discrete Input Module
Product Introduction
The IC694MDL231 is a sixteen-channel discrete input module in the PACSystems™ RX3i family. It accepts 24 VDC signals from field devices such as proximity switches, pushbuttons, and safety interlocks, and reports their status through the high-speed RX3i backplane. Designed for harsh industrial environments, the MDL231 features optical isolation for each channel, fast response times, and built-in diagnostics, ensuring reliable monitoring of binary field signals.
Key Applications
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Reading status of safety interlocks, door switches, and e-stop buttons in machine safety systems.
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Monitoring limit switches, level sensors, and float switches in bulk material handling.
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Capturing pulse/frequency signals from flow meters and tachometers in process plants.
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Detecting position feedback from photoeyes and proximity sensors in packaging lines.
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Integrating status signals from motor starters and valve solenoids in water/wastewater control.
Brand and Series Overview
Brand: GE Automation & Controls
Series: PACSystems™ RX3i I/O Modules
PACSystems RX3i offers a scalable, high-performance I/O platform with rugged modules and a high-speed deterministic backplane. GE’s long lifecycle support and global service network ensure continuity for critical automation installations.
Product Advantages
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Channel Isolation: Each input channel is optically isolated to 1500 VDC, preventing ground-loop errors and noise coupling.
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Fast Response: Input-to-backplane update times under 5 ms support real-time control and high-speed counting.
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Built-In Diagnostics: Per-channel status bits indicate wiring faults, voltage presence, and module health.
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Rugged Design: Conformal-coated PCB and –25 °C to +70 °C operation accommodate harsh plant environments.
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Space Efficiency: Sixteen channels in a single 34 mm-wide module maximize rack density and minimize footprint.
Detailed Technical Parameters
| Specification | Details |
|---|---|
| Model Number | IC694MDL231 |
| Channels | 16 discrete inputs |
| Input Voltage | 24 VDC ±20 % |
| Input Current | 8 mA @ 24 VDC per channel |
| Isolation Voltage | 1500 VDC channel-to-backplane |
| Response Time | <5 ms to backplane |
| Diagnostics | Channel-level wiring fault detection |
| Operating Temperature | –25 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Relative Humidity | 5 % to 95 % RH (non-condensing) |
| Dimensions (W × H × D) | 34 × 145 × 140 mm |
| Weight | 0.37 kg |
| Mounting | RX3i backplane slot |
Related RX3i Series / Function Models
| Model | Description |
|---|---|
| IC694MDL240 | 32-channel sinking discrete input, RX3i |
| IC694MDL241 | 32-channel sourcing discrete input, RX3i |
| IC694MDL230 | 16-channel sinking discrete input, Series 90-30 |
| IC695MDL645 | 32-point sink digital input for RX3i |
| IC695MDL740 | Universal logic module: discrete & high-speed counter |
Popular GE Automation & Controls Models
| Model | Key Features |
|---|---|
| IC695CPU310 | RX3i PAC CPU, 64 MB user memory, deterministic backplane |
| IC695PWR001 | 24 VDC power supply, redundant input option |
| IC695CMM001 | Ethernet communication module for RX3i and Series 90-30 |
| IC695ALG600 | 4-channel ±10 V/0–20 mA analog output, 16-bit resolution |
| IC695MDL655 | 32-channel discrete output, sourcing, RX3i |
Frequently Asked Questions (FAQ)
Q: What voltage does the MDL231 require?
A: It accepts 24 VDC ±20 % on each of its 16 inputs.
Q: How quickly does the module report input changes?
A: All channels update in under 5 ms to the backplane.
Q: Is each channel isolated?
A: Yes, each input is optically isolated to 1500 VDC from the backplane.
Q: What diagnostic information is available?
A: Per-channel wiring fault and voltage presence status bits are reported to the PLC.
Q: Which PLC series support this module?
A: It is compatible with PACSystems RX3i backplanes only.
Q: What environment can it withstand?
A: Operating range is –25 °C to +70 °C and up to 95 % non-condensing humidity.
Q: How many channels per module?
A: Sixteen discrete input channels.
Q: Can it count high-speed pulses?
A: Yes, high-speed counting up to several kilohertz is supported.
Q: What mounting style does it use?
A: Slides into one RX3i backplane slot and latches automatically.
Q: What certifications does it have?
A: CE, UL, and cUL approvals for industrial control applications.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.