SDV144-S33/PRP

Product Overview

The SDV144-S33/PRP is a 16-channel safety Digital Input Module specifically engineered for Yokogawa’s ProSafe-RS Safety Instrumented System (SIS).

Suffix Codes
-S- Standard type
5- For pressure clamp terminal block or MIL cable with no explosion protection
6- With signal cable interface adapter and no explosion protection (*1)
E- For pressure clamp terminal block or MIL cable with explosion protection
F- With signal cable interface adapter and explosion protection (*1)
3- With ISA Standard G3 and temperature (-20 to 70 °C)
C- With ISA Standard G3 and high-density installation (-20 to 70 ºC)

Technical Specifications

• Number of Inputs: 16-channel, galvanically isolated input design for safety signal acquisition.

• Input Signal Type: Supports no-voltage (dry contact) field devices such as ESD pushbuttons and fire & gas switches.

• Supply Requirement: Operates with 24 V DC ±5% external contact power.

• Input Resistance: ON state ≤ 1 kΩ; OFF state ≥ 100 kΩ for reliable signal discrimination.

• Input Current: 6 mA ±20% under 0 Ω loop condition at 24 V DC supply.

• Maximum Input Voltage: 30 V DC allowable input limit for protection integrity.

• Response Time: Maximum switching response time of 40 ms.

• Isolation Strength: 2 kV AC withstand capability between input channels and system circuitry.

• Power Consumption: 290 mA max at 5 V DC; 140 mA max at 24 V DC.

• Operating Temperature Range: −20°C to +70°C with ISA G3 conformal coating for environmental resistance.

• Weight: Approximately 0.41 kg including signal cable interface adapter.

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