SDV144-S53 | Yokogawa | Digital Input Module 16-Channel 24V DC

Overview

The SDV144-S53 is a 16-channel digital input module engineered by Yokogawa for process control and automation systems. It provides reliable signal acquisition through isolated input channels and stable operation with external 24 V DC power. The module is designed for modular DCS environments, offering high noise immunity and quick signal response for precise digital monitoring.

Key Features

• Model Number: SDV144-S53

• Input Channels: 16 independent digital inputs with module-level isolation

• Input Signal Type: No-voltage contact input

• Input Response Time: ≤ 40 milliseconds

• External Power Supply: 24 V DC (+20% / -10%)

• Contact Rating: 24 V DC ±20%, 10 mA or greater

• Instantaneous Maximum Input Voltage: 30 V DC

• Withstand Voltage: 2 kV AC (input signal to system, 1 minute, all inputs collectively connected)

• Current Consumption: 290 mA max (5 V DC), 140 mA max (24 V DC)

• Connection Type: Pressure clamp terminal, MIL cable, or dedicated signal cable (AKB331)

• Mounting Style: Rack-mounted, compatible with Yokogawa I/O system architecture

• Weight: Approx. 0.36 kg (pressure clamp terminal), 0.41 kg (with signal cable interface adapter)

Applications

The SDV144-S53 module is suitable for:

• Digital signal monitoring in DCS and PLC-based systems

• Discrete input collection for process automation networks

• Control panels requiring isolated digital input channels

• Oil & gas, chemical, and energy sector installations

FAQ

• Q1: What type of digital signals does the SDV144-S53 accept?
  A1: It supports no-voltage contact signals, with ON ≤1 kΩ and OFF ≥100 kΩ.

• Q2: Can it be used with both MIL and pressure clamp connections?
  A2: Yes, it supports both terminal types, as well as Yokogawa’s dedicated AKB331 signal cable.

• Q3: What is the maximum operating voltage tolerance?
  A3: The module can safely handle up to 30 V DC instantaneous input.

• Q4: How fast does the module update input data?
  A4: Input response time is within 40 ms, ensuring timely data capture.