Yokogawa SDV144-S53/B4S00 Digital Input Module

Overview

The Yokogawa SDV144-S53/B4S00 is a 16-channel digital input module built for ProSafe-RS safety instrumented systems. It directly accepts 24 V DC no-voltage contact signals from field devices. Engineers can rely on this module for high isolation, rapid response, and robust environmental tolerance. Moreover, it complies with ISA G3 standards, making it suitable for harsh industrial conditions.

Technical Specifications

General

• Model: SDV144-S53/B4S00

• Type: Digital Input Module

• Mounting: I/O card base in ProSafe-RS system

• Weight: 0.36 kg

• Redundancy Support: Not included

• Explosion Protection: Not included

• Connection Options: Pressure clamp terminal, MIL cable, or dedicated signal cable

Input Specifications

• Number of Inputs: 16 isolated channels

• Input Signal Type: No-voltage contact

• Input ON Resistance: ≤1 kΩ

• Input OFF Resistance: ≥100 kΩ

• Input Current: 6 mA ±20% (at 0 Ω input, 24 V DC external power)

• Contact Rating: 24 V DC (+20% / –10%), ≥10 mA

• Max Input Voltage: 30 V DC (instantaneous)

• Input Response Time: ≤40 ms

Power and Isolation

• External Power Supply: 24 V DC (+20% / –10%), ≥200 mA capacity

• Current Consumption:

• 5 V DC: Max 290 mA

• 24 V DC: Max 140 mA

• Withstand Voltage: 2 kV AC (1 minute, between input signal and system)

Environmental Conditions

• Operating Temperature: –20°C to +70°C (ISA Standard G3 compliant)

• Storage Temperature: –40°C to +85°C

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