The Honeywell FC-TSDI-1624 is a high-integrity Digital Input Field Termination Assembly (FTA) designed for use within the Honeywell Fail Safe Control (FSC) and Safety Manager systems. This module serves as the primary interface between field-side digital devices and the safety controller, processing up to 16 discrete signals. Engineered for mission-critical safety applications, the FC-TSDI-1624 provides current-limited input paths to ensure that a localized short circuit on one field loop does not compromise the operational integrity of the remaining channels, maintaining system availability in high-stakes environments.
The FC-TSDI-1624 is purpose-built for the rigors of the oil and gas, petrochemical, and power generation industries. It features a compact DIN rail-mountable design that facilitates easy integration into standard control cabinets. The assembly utilizes secure screw terminals for field wiring and a specialized SICC cable connector for direct interfacing with Honeywell digital input modules. With integrated galvanic isolation and a wide operating temperature range of –40 °C to +70 °C, the FC-TSDI-1624 ensures reliable signal transmission even in unconditioned environments or locations rated for Class I, Division 2 hazardous use.
| Feature | Specification Details |
| Manufacturer | Honeywell |
| Model Number | FC-TSDI-1624 |
| Product Type | Digital Input Field Termination Assembly (FTA) |
| Channel Count | 16 Digital Input Channels |
| Operating Voltage | 24 VDC Nominal |
| Current Consumption | 16 mA per channel (Typical) |
| Channel Protection | Individual current limiting per input |
| Isolation | Galvanic isolation between field and system |
| Mounting | Standard DIN EN rail (Universal snap-in) |
| Wiring Connection | Screw terminals (Field); SIC Connector (System) |
| Operating Temperature | –40 °C to +70 °C (–40 °F to +158 °F) |
| Storage Temperature | –40 °C to +85 °C |
| Dimensions | 120 mm × 60 mm × 50 mm |
| Weight | 0.28 kg (Net) / 0.45 kg (Shipping) |
| Compliance | CE, UL, Class I Div 2, Safety Integrity Level (SIL) compatible |
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