FC-TSAI-1620M Honeywell FTA Signal Module

Honeywell FC-TSAI-1620M Safety Manager Field Terminal Component

Honeywell FC-TSAI-1620M Safety Manager Field Terminal Component

Availability: 20 left in stock

Honeywell FC-TSAI-1620M Safety Manager Field Termination Assembly Configured for precision signal conditioning and field wiring termination in Honeywell Safety Manager...

SKU: TSAI-1620M

Manufacturer: Honeywell
Product No.: TSAI-1620M
Product Type: Field Termination Assemblies
Product Origin: USA
Payment:T/T, Western Union
Weight: 450g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Honeywell FC-TSAI-1620M Safety Manager Field Termination Assembly

Configured for precision signal conditioning and field wiring termination in Honeywell Safety Manager and Experion PKS platforms, the Honeywell FC-TSAI-1620M (FC-TSAI-1620M Analog Input Field Termination Assembly) provides direct physical/electrical execution. Cataloged under part numbers 61735 and 50624, this 16-channel assembly connects field transmitters to the SAI-1620m analog input card, converting 0-25 mA current loop inputs into a 0-4 VDC voltage output with 0.1% accuracy.

Hardware Specifications

Parameter	Specification
Model	FC-TSAI-1620M (Part Numbers 61735 / 50624)
Brand	Honeywell
Origin	USA
Weight	0.45 kg
Dimensions	210 x 70 x 60 mm
Operating Temp	0 deg C to +60 deg C
Power Consumption	Powered via 30 VDC external supply
Channel Density	16 Channels (2 groups of 8 with common 0 V)
Input Signal Range	0-25 mA (compatible with standard 4-20 mA loops)
Input Resistance	250 ohm (+/-1%)
Output Signal	0-4 VDC (0.1% accuracy)
Fuse Protection	315 mAT slow-acting (5 x 20 mm) per channel group
Screw Terminal Gauge	AWG 14 (max 2.5 mm2)
Mounting Type	TS32 / TS35 x 7.5 DIN Rail (211 mm rail length)
Certifications	CE, UL, CSA, TUV SIL Certified

4-20 mA HART Loop Protocol & Galvanic Isolation

The FC-TSAI-1620M Field Termination Assembly uses internal 250 ohm (+/-1%) precision resistors to convert incoming 0-25 mA analog current signals into scaled 0-4 VDC voltage levels for downstream safety logic solvers. The 16 input channels are arranged into two distinct 8-channel banks, each maintaining a common 0 V reference. Channel routing includes galvanic isolation barriers and current-limiting passive outputs (<120 mA at 30 VDC) to decouple field device surges from backplane electronics. The assembly preserves 4-20 mA HART loop protocol signal integrity by suppressing common-mode electrical noise across field cable runs.

Frequently Asked Questions

Q: How does channel fuse protection function on the FC-TSAI-1620M assembly during a field short-circuit event?

A: Each circuit path incorporates a 315 mAT slow-acting fuse (5 x 20 mm). An overcurrent condition or short circuit on the field loop opens the fuse, isolating the individual faulted loop and driving that channel to a deterministic fail-safe state without causing backplane power drops.

Q: Can the FC-TSAI-1620M interface with active 4-wire process transmitters?

A: Yes, the assembly accepts any 0-25 mA current loop input, accommodating standard 4-20 mA signals originating from both self-powered active transmitters and loop-powered passive field instruments.

Field Installation Guidelines

Mount the FC-TSAI-1620M assembly onto a standard TS32 or TS35 x 7.5 DIN rail maintaining a minimum 211 mm rail section. Strip field conductor insulation to exactly 7 mm before inserting into the screw clamp terminals. Tighten terminal screws to a maximum torque specification of 0.5 Nm (0.37 ft-lb) using a calibrated screwdriver to prevent wire damage. Conductors must not exceed AWG 14 (2.5 mm2) cross-sectional area. Terminate overall cable shields at the nearest dedicated cabinet earth bar to prevent ground potential loops from degrading analog signal conversion accuracy.

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