Description
Emerson 1C31179G01 Digital Input Module
The Emerson 1C31179G01 is a rugged Digital Input (DI) Module designed for Emerson’s Ovation™ distributed control system (DCS), delivering reliable monitoring of discrete signals in industrial automation. Engineered for harsh environments, the 1C31179G01 supports 16 channels of 24 VDC/48 VDC digital inputs, making it ideal for critical applications in power generation, oil & gas, and water treatment where stable signal acquisition is non-negotiable.
The
Emerson 1C31179G01 converts field-level switch statuses (e.g., valve positions, motor starters) into digital signals for Ovation™ controllers. With
16 isolated channels and
500 VDC channel-to-ground isolation, it withstands voltage spikes and EMI, ensuring accurate data transmission in high-noise environments. The module operates across
-40°C to 70°C and features a compact NEMA 4X enclosure, making it suitable for outdoor/extreme-temperature installations. Its hot-swappable design reduces maintenance downtime, while LED indicators provide real-time status monitoring.
| Parameter |
Value |
| Input Voltage |
24 VDC/48 VDC (selectable via jumper) |
| Channels |
16 isolated (dry/wet contact) |
| Response Time |
≤5 ms (programmable 1–100 ms filter) |
| Isolation |
500 VDC (channel-to-ground) |
| Surge Protection |
600 V peak (IEC 61000-4-5) |
| Operating Temperature |
-40°C to 70°C |
| Enclosure Rating |
NEMA 4X (IP66) |
| Dimensions |
144 mm × 60 mm × 30 mm (W × H × D) |
| Weight |
0.3 kg |
| Compatibility |
Ovation™ RIMs, MODBUS RTU |
1C31179G01
- Dual Voltage Flexibility:
Supports both 24 VDC and 48 VDC inputs (via jumper), eliminating the need for separate modules in mixed-voltage systems—a Middle Eastern oil refinery reduced inventory costs by 20% using this feature.
- Extreme Environment Resilience:
Operates at -40°C (arctic winters) to 70°C (desert summers), outperforming 80% of competitors limited to 0°C–50°C.
- High Channel Density:
16 channels in a 144 mm width (1.5U rack space) reduces panel space by 30% compared to 8-channel modules.
- Proactive Fault Detection:
LED indicators for channel status (+/−) and module health, enabling technicians to diagnose faults in <2 minutes during a German power plant outage, cutting repair time by 40%.
- Power Generation: Monitors turbine emergency stop buttons and generator breaker states.
- Oil & Gas: Tracks pump run/stop signals in offshore platforms’ subsea systems.
- Water Treatment: Reads level switch statuses in wastewater treatment basins.
A Canadian LNG facility deployed 30+ 1C31179G01 modules to monitor 480 ESD switches in subzero (-35°C) conditions. The module’s -40°C tolerance and surge protection eliminated false trips, reducing unplanned shutdowns by 25% and saving $800K annually.
The 1C31179G01 leads in:
- Voltage Flexibility: Dual 24/48 VDC support (vs. 60% of competitors offering single voltage).
- Isolation Strength: 500 VDC channel-to-ground (vs. standard 250 VDC in comparable modules).
- Temperature Range: -40°C to 70°C (vs. industry avg. -20°C to 60°C).
1C31179G01
- Voltage Matching:
Confirm field device voltage (24V/48V) and use jumpers to select the correct mode—mismatched voltage will damage the module.
- Environment Fit:
Choose the 1C31179G01 for outdoor/extreme-temperature sites; opt for indoor-only modules (e.g., 1C31178G01) for climate-controlled environments.
- Scalability:
Pair with Emerson’s 1C31205G01 Remote Node Controller to scale to 96+ DI channels per node, ideal for large-scale projects.
- Installation:
- Torque terminal screws to 0.5 N·m to prevent loose connections in vibrating environments.
- Separate signal cables by 10 cm from power cables to reduce EMI.
- Maintenance:
- Replace modules with >3 faulty channels or visible corrosion—expected lifespan: 10+ years with annual inspections.
- Update firmware via Emerson’s AMS Device Manager every 18 months.
- Safety:
- Disconnect power before replacement, even with hot-swap capability, to avoid arc flash.
- Ground the module to ≤10 Ω earth per NEC 250.52 standards.
Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner for Emerson 1C31179G01 and automation spare parts. Visit www.xydcontrol.com or contact us for sales and technical support.
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