The Honeywell FC-SDI-1648 is a high-performance safety digital input module designed for critical industrial automation applications. As part of Honeywell’s Safety Manager series, this 16-channel module provides reliable monitoring of digital signals in safety instrumented systems (SIS) with 48V DC input voltage capability.
Engineered for mission-critical applications, the FC-SDI-1648 features advanced diagnostics and fault detection capabilities that ensure continuous operation in harsh industrial environments. Its rugged design and high-voltage tolerance make it particularly suitable for heavy industries where signal integrity is paramount.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Model | FC-SDI-1648 |
| Manufacturer | Honeywell |
| Type | Safety Digital Input Module |
| Input Channels | 16 (isolated) |
| Input Voltage | 48V DC (36-60V range) |
| Input Current | 5-15mA per channel |
| Response Time | <8ms |
| Isolation Voltage | 2000V AC channel-to-channel |
| Power Consumption | 3W typical |
| Operating Temperature | -40°C to +75°C |
| Dimensions | 150mm × 100mm × 35mm |
| Weight | 0.7kg |
| Certifications | SIL3, IEC 61508, ATEX, UL |
Key Features and Advantages:
High-voltage capability: The FC-SDI-1648 stands out with its 48V DC input range, providing superior noise immunity and signal integrity in electrically noisy environments. This makes it ideal for heavy industrial applications where lower voltage inputs might be susceptible to interference.
Safety performance: Achieving SIL3 safety integrity level certification, the module incorporates built-in diagnostics for open-circuit, short-circuit, and cross-talk detection. Its redundant architecture and fail-safe design ensure continuous operation even during component failures.
Application Areas:
- Mining Industry: Safety monitoring in underground operations
- Steel Manufacturing: Emergency stop systems for rolling mills
- Oil Refineries: Safety interlocks for high-voltage equipment
- Power Plants: Turbine protection and generator monitoring
Related Products:
- FC-SDI-1624: 24V DC version for standard applications
- FC-SDI-1648E: Enhanced version with Ethernet interface
- FC-PSU-240516 Power Supply Unit 24/5 Vdc, 16 A
- FS-BLIND-COM Dummy communication module
- FS-BKM-0001 Battery and Key switch Module
Installation and Maintenance:
Installation preparation: Verify DIN rail space and grounding requirements before installing the FC-SDI-1648. Ensure proper cable routing for high-voltage signals and maintain minimum 75mm clearance around the module for heat dissipation.
Maintenance recommendations: Perform semi-annual insulation resistance tests and annual visual inspections. Clean ventilation openings quarterly and monitor module status using the integrated diagnostic LEDs and software tools.
Product Assurance:
Honeywell provides 12-month extended warranty for the FC-SDI-1648, including 24/7 technical support and advance replacement service. Each unit undergoes rigorous 1000-hour burn-in testing and full functional validation to ensure reliability in the most demanding industrial environments
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