Honeywell SDI-1624 Safe Digital Input Module

Overview

The Honeywell SDI-1624 is a 16-channel safe digital input module designed for Safety Manager systems. It supports both internal and external 24 VDC power sources. The module ensures high reliability, fast response, and robust signal integrity for safety-critical applications. It includes short-circuit protection, galvanic isolation, and conformal coating. These features enable dependable performance in harsh industrial environments.

Technical Specifications

• Input Channels: 16 digital inputs

• Input Voltage Range: 24 VDC nominal (max 36 VDC)

• Input Current: 7 mA at 24 VDC

• Input HIGH Threshold: > 15 VDC

• Input LOW Threshold: < 9 VDC (I < 2 mA)

• Input Delay: Typically 10 ms

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

• Maximum Output Current: 450 mA per channel

• Voltage Drop: < 1.5 V at 450 mA

• Max Load Capacitance: 32 µF

• Power Requirements:

• 5 VDC @ 8 mA

• 24 VDC internal @ 110 mA

• 24 VDC external @ 110 mA (input currents)

• Ripple Content (5 VDC): < 0.5 Vp-p (0–360 Hz)

• Operating Temperature: –40°C to +70°C

• Storage Temperature: –40°C to +85°C

• Humidity Range: 5% to 95% RH (non-condensing)

• Mounting Dimensions: 4 TE × 3 HE (4 HP × 3U rack size)

• Connector Coding: Module holes A5, C5; Chassis pins A5, C5

• Weight: 1.00 lbs