Overview
The Honeywell FC-TSAL-1620M is a rugged analog input Field Termination Assembly designed for safety, shutdown, and critical process control systems. It works seamlessly with the Experion PKS and Safety Manager platform, and engineers trust it for high-integrity analog signal interfacing. The module uses a conformal-coated design that protects sensitive circuits from moisture, dust, and corrosive airborne contaminants. Moreover, it supports a wide range of analog signals, which helps plants standardize their field wiring infrastructure.
This FTA delivers predictable performance in harsh industrial areas, and its proven reliability reduces maintenance demands. In addition, the FC-TSAL-1620M offers stable loop supply capability and fused channel protection, which supports dependable safety-system architectures.
Key Features and Functional Highlights
- Reliable 16-channel analog input termination for Safety Manager systems
- Conformal coating improves long-term resistance to humidity and airborne chemicals
- Supports common field signal ranges, including current loops and passive sensors
- Provides stable power to passive transmitters, simplifying field wiring
- Includes per-channel fusing for enhanced fault isolation and system safety
- Installs easily on TS32 or TS35 DIN rails for flexible cabinet layouts
- Engineered for high environmental endurance, supporting demanding oil, gas, and heavy-process sectors
Furthermore, the module offers consistent electrical accuracy, and therefore ensures precise input conditioning before forwarding data to the SAI-1620M module.
Technical Specifications
General
- Product No.: FC-TSAI-1620M
- Module Type: Analog Input Field Termination Assembly
- Channels: 16 (organized in two groups of eight with common 0V)
- Coating Type: Conformal coated (FC type)
- Country of Origin: USA
Electrical
- Field Input Range: 0–25 mA DC
- Input Resistance: 250 Ω (±1%)
- External Power Requirement: 30 V DC, 3 mA (without input loop loads)
- Output to SAI-1620M Module: 0–4 V DC
- Output Accuracy: 0.10%
- Passive Transmitter Support: 270 Ω (±5%) output resistance
- Igniting Current per Channel: <120 mA at 30 V DC
- Fuses: 315 mAT, slow acting, 5 × 20 mm
Mechanical
- Dimensions: 210 × 70 × 60 mm
- Mounting: TS32 / TS35 × 7.5 DIN rail
- Terminal Wiring: Up to 2.5 mm² (AWG14)
- Tightening Torque: 0.5 Nm
Environmental
- Operating Temperature: –20°C to +60°C
- Storage Temperature: –30°C to +70°C
- Protection: Conformal-coated assembly
Typical Applications
The FC-TSAL-1620M integrates smoothly into industrial safety and control architectures that require accurate analog signal termination. Engineers apply it in burner management systems, emergency shutdown systems, and high-availability process loops. Moreover, its stable input conditioning supports critical measurement points in refineries, chemical plants, LNG terminals, and power facilities.
Support, Reliability, and Maintenance
Honeywell designs the FC-TSAL-1620M for long operational life, even under severe environmental stress. The conformal coating extends the lifespan of the assembly, while the fused channel layout simplifies troubleshooting. Therefore, maintenance teams can isolate faults quickly and keep safety systems online with minimal downtime.
FAQ
Q1: Is the FC-TSAL-1620M compatible with older Safety Manager versions?
Yes. It works with most Safety Manager generations that support the SAI-1620M input module.
Q2: Does the assembly provide power for passive analog transmitters?
Yes. It offers a 270-ohm output resistance that supports passive devices in current-loop configurations.
Q3: Can the module operate reliably in corrosive environments?
Yes. The conformal coating improves resistance to moisture, chemicals, and airborne contaminants.
Q4: What mounting hardware is required?
It installs directly on TS32 or TS35 DIN rails without special brackets.
Q5: Does each channel include individual fuse protection?
Yes. Each channel includes a slow-acting 315 mAT fuse for safer field wiring isolation.














