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Honeywell FS-TSDI-1624 Safe Digital Input Field Termination Assembly

Brand/Manufacturer: Honeywell

Order Number: FS-TSDI-1624

Type: Digital Input Modules

Country of Origin: USA

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

Configured for discrete input routing and signal conditioning in Safety Manager platforms, the Honeywell FS-TSDI-1624 (FS-TSDI-1624 Safe Digital Input Field Termination Assembly) provides direct physical/electrical execution. The hardware manages 16 isolated digital input channels, routing 24 VDC field signals to central processing cards while maintaining stringent electrical fault isolation.

Hardware Specifications

Parameter Specification
Model FS-TSDI-1624
Brand Honeywell
Origin United States
Weight 450 g (0.99 lbs)
Dimensions 90 mm x 70 mm x 58 mm (3.54 in x 2.76 in x 2.28 in)
Operating Temp -40 deg C to 70 deg C
Power Consumption Nominal 24 VDC / current <= 15 mA
Input Channels 16 isolated digital input channels
Input Voltage Range 24 VDC (-15% to +30%)
PTC Protection 260 ohm (+/-25% at 25 deg C)
Mounting Rail TS32 / TS35 x 7.5 DIN EN rail
Approvals CE, TUV, UL compliant

4-20 mA HART Loop Protocol and Channel-to-Channel Isolation

The module architecture incorporates built-in Positive Temperature Coefficient protection elements on each input channel to safeguard internal circuitry against short circuits to 0 V. Channel-to-channel isolation barriers prevent electrical feedback across adjacent safety loops, ensuring stable signal transmission to the paired SDI-1624 modules. While engineered primarily for discrete 24 VDC inputs, the system layout coexists seamlessly with adjacent cabinets handling 4-20 mA HART loop protocol instrumentation and process control loops.

Frequently Asked Questions

Q: How many digital input channels are supported by the FS-TSDI-1624 assembly?

A: The module supports 16 isolated digital input channels interfacing between field wiring and the SDI-1624 controller card via system interconnection cables.

Q: What type of channel-level protection is integrated into the input stage?

A: Each input channel features PTC protection resistors rated at 260 ohm to protect against short circuits to 0 V under continuous operating conditions.

Field Installation Guidelines

  • Rail Mounting & Clearance: Disconnect all system cabinet power prior to mechanical mounting or wiring tasks. Mount the module firmly onto a standard TS32 or TS35 x 7.5 DIN EN rail using a minimum rail span of 91 mm.
  • Conductor Termination: Strip field conductors to exactly 7 mm and insert wires up to 2.5 mm² into the screw terminals. Tighten terminal screws to a torque of 0.5 Nm using calibrated hand tools.
  • Shielding & Wiring Routing: Route field signal cables away from high-voltage conduits and ensure proper single-point shield grounding to the cabinet earth bar to prevent transient noise coupling.
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"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

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