Honeywell FS-SDI-1624 Digital Input Module

Overview

The Honeywell FS-SDI-1624 is a high-performance 16-channel digital input module built for Safety Manager systems. It supports both internal and external 24 VDC power sources and ensures galvanic isolation for every input channel. Engineers choose this module for safety-critical applications requiring fast response, robust signal integrity, and high reliability. It meets stringent safety standards while offering easy rack integration and durable field operation.

Technical Specifications

General

• Model: FS-SDI-1624

• Type: Digital Input Module

• Weight: 0.30 lbs

• Mounting: 4 TE, 3 HE (standard rack size)

• Connector Coding: Holes A5, C5 (module); Pins A5, C5 (chassis)

Input Specifications

• Input Channels: 16

• Input Voltage: 24 VDC (max 36 VDC)

• Input Current: 7 mA @ 24 VDC

• HIGH Threshold: >15 VDC

• LOW Threshold: <9 VDC (I < 2 mA)

• Input Delay: Typically 10 ms

• Isolation: Galvanic isolation per channel

Power Requirements

• 5 VDC Supply: 8 mA

• 24 VDC Supply: 110 mA (internal or external)

• Ripple Content: <0.5 Vp-p (0–360 Hz)

Output Characteristics

• Output Type: 24 VDC solid-state, short-circuit proof

• Max Output Current: 450 mA

• Voltage Drop: <1.5 V @ 450 mA

• Max Load Capacitance: 32 µF