The Triconex 9753-110 (Part Number 1057680000) provides a high-integrity external interface for pulse and totalizer input modules within the Triconex Safety Instrumented System (SIS). This 100% brand new and original termination board accepts differential signals from high-speed field instruments, ensuring precise data transmission to the TMR controller. Depending on the connected module, the 9753-110 manages either 8 differential pulse inputs or 16 totalizer input points. Its robust architecture handles the rapid signal transitions required for turbine speed monitoring and high-accuracy flow totalization in mission-critical safety environments.
The 9753-110 features industrial-grade isolation and precise differential signal handling:
| Feature | Specification Details |
| Model / Part Number | 9753-110 / 1057680000 |
| Manufacturer | Triconex (Schneider Electric) |
| Panel Type | Basic Termination Board |
| Pulse Input Capacity | 8 Differential Points (IN+/IN-) |
| Totalizer Capacity | 16 Input Signal Points (IN+/IN-) |
| Isolation | 1500 VAC Channel-to-Ground |
| Operating Temp | –40 °C to +70 °C |
| Dimensions | 495 × 356 × 152 mm |
| Weight | 0.4–0.5 kg |
| Mounting | DIN-rail or Panel Mounting with Screw Terminals |
| Condition | 100% Brand New Original |
High-Speed Signal Integrity: The 9753-110 supports differential-input terminals (IN+ and IN-), which aggressively reject common-mode noise. This ensures the safety controller captures accurate pulse counts even in electrically saturated environments like turbine halls and motor control centers.
Flexible Dual-Mode Compatibility: This board interfaces seamlessly with both Pulse Input and Pulse Totalizer modules. This versatility simplifies spare parts inventory by allowing the same termination panel model to serve multiple functional roles within the SIS rack.
Scalable Architecture: For pulse totalizer applications featuring 32 points, the system requires two 9753-110 panels per module. This modular approach allows for organized field wiring and maintains individual channel isolation across high-density I/O configurations.
Extreme Environmental Resilience: Engineered to withstand a wide temperature range of –40 °C to +70 °C, the 9753-110 performs reliably in unconditioned field cabinets and remote industrial locations without degrading signal precision.
How many 9753-110 panels do I need for a single module?
If you use a Pulse Input module, one panel covers the 8 differential inputs. For a Pulse Totalizer module with 32 points, you must install two 9753-110 panels to accommodate all 16 signals per panel.
Does this panel include built-in fuse protection?
As a "Basic" type panel for high-speed pulse signals, it focuses on signal integrity and isolation. You should verify the specific fuse requirements of your field instruments and pulse transmitters during the wiring phase.
Can I replace an existing board with this part number without re-wiring?
Yes. The 9753-110 (1057680000) maintains the standard Triconex termination footprint and screw-terminal block configuration, allowing for a direct "drop-in" replacement of failed or aged boards.
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