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ICS Triplex T9802 Digital Input Termination Assembly

Configured for 16-channel digital input termination in ICS Triplex safety systems, the ICS Triplex T9802 (T9802 Digital Input Termination Assembly) provides field-loop termination for two T9401/2 input modules. It supports simplex, dual, and TMR configurations while applying fused field input paths.

Hardware Specifications

Parameter	Specification
Model	T9802
Brand	ICS Triplex
Product Type	Digital Input Termination Assembly
Origin	USA
Shipment Origin	Xiamen, China
Weight	0.14 kg
Dimensions	13.1 x 8.4 x 3.5 cm estimated shipping size
Operating Temp	Not specified
Power Consumption	Maximum 0.2 W per field loop
Field Connections	16
Input Modules Supported	Two T9401/2
Input Channel Fuses	50 mA, 125 V, Type T, Littelfuse
Channel Load	5.125 +/- 0.2 % kOhm
Input Measurement Voltage Resolution	5 mV, 13 bit
Voltage Range	18-32 V
Configuration	Simplex, Dual, TMR
Tariff Code	8537101190

Safety Instrumented System Signal Handling

The T9802 terminates 16 digital field inputs and routes the signals to two supported T9401/2 input modules. Each input channel uses a 50 mA, 125 V Type T fuse manufactured by Littelfuse. Therefore, the termination assembly provides defined protection for the individual field input paths.

The specified channel load is 5.125 +/- 0.2 % kOhm, while the input measurement voltage resolution reaches 5 mV at 13 bit. In addition, each field loop has a maximum power dissipation of 0.2 W.

The assembly supports simplex, dual, and TMR system configurations. However, the supplied data does not specify a complete SIL certification level for the T9802 itself. System-level safety certification must therefore be verified against the applicable ICS Triplex system documentation.

Frequently Asked Questions

Q: How many field inputs does the T9802 terminate?
A: The T9802 provides 16 field connections for digital input signals.

Q: Which input modules does the T9802 support?
A: The assembly supports two T9401/2 input modules.

Q: What fuse specification does each input channel use?
A: Each input channel uses a 50 mA, 125 V Type T fuse manufactured by Littelfuse.

Field Installation Guidelines

• Verify the T9802 model and supported T9401/2 module configuration before wiring.
• Confirm the field supply remains within the specified 18-32 V range.
• Route field signal wiring separately from high-voltage and high-current conductors where practical.
• Maintain correct polarity and terminal identification throughout field-loop installation.
• Inspect each channel fuse before commissioning and replace it only with the specified fuse type and rating.
• Use appropriate shield termination practices according to the system installation drawing.
• Confirm field-loop resistance and wiring continuity before connecting the input modules.
• For TMR installations, follow the system-specific wiring and redundancy architecture defined by the ICS Triplex documentation.
• Do not infer operating-temperature or hot-swap limits from the termination assembly specifications when the supplied data does not define them.

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