10102/2/1 | Honeywell | FSC Analog Input Card 0-2V 0-10V

Honeywell 10102/1/2 Fail-safe Analog Input Module FSC System

Product Description

The 10102/1/2 (10102/2/1) is a precision-engineered 4-channel fail-safe analog input module designed for the Honeywell Fail Safe Controller (FSC) system. This module is a critical component for Safety Instrumented Systems (SIS), providing highly reliable acquisition of analog signals from field transmitters such as pressure sensors, flow meters, and temperature transducers. The 10102/1/2 (10102/2/1) architecture ensures that signal integrity is monitored in real-time; any internal failure or out-of-range anomaly triggers a transition to a predefined safe logic state, preventing hazardous process conditions.

A key technical feature of the 10102/1/2 (10102/2/1) is its galvanic isolation, which separates the input channels from both the 24 Vdc and 5 Vdc internal power supplies, protecting the controller backplane from field-side electrical surges. The module supports both active and passive loop configurations. In active mode, it provides 26 Vdc short-circuit protected power to field transmitters, simplifying cabinet wiring. Its high input impedance (>100 kΩ) allows for advanced redundant configurations, such as parallel connection of two modules using a 10102/A/ converter module, which is essential for High Availability safety loops.

Detailed Technical Specifications

The 10102/1/2 (10102/2/1) is designed for deterministic performance in mission-critical environments:

• Manufacturer: Honeywell

• Model Number: 10102/1/2 / 10102/2/1

• Product Type: Fail-safe Analog Input Module

• Number of Channels: 4 Independent Channels

• Input Signal Ranges: 0–2 Vdc (Base), 0–5 V, 1–5 V, 0–10 V, 2–10 V (Software/Hardware configurable)

• Input Resistance: >100 kΩ (Standard) up to 333 kΩ (Range dependent)

• A/D Conversion: 12-bit High Resolution

• Inaccuracy: ≤ 0.75% of full scale

• Loop Powering: 26 Vdc (±1 V), short-circuit protected

• Loop Current Limit: >20 mA solid-state current limiting

• Galvanic Isolation: Between inputs and system power supplies

• Max Input Signal: ±5 Vdc absolute maximum

• Power Requirements: 5 Vdc at 30 mA; 24 Vdc at 175 mA (+25 mA per active input)

• Key Coding: Module Connector (Holes A5, C17) / Rack Connector (Pins A5, C17)

• Dimensions: 186 x 112 x 30 mm

• Weight: 0.18 kg (6.3 oz)

• Certifications: TÜV (SIL 3), CE, UL508, CSA