Yokogawa SDV144-S33 Digital Input Module in Stock

GENERAL

This document provides hardware specifications for digital I/O modules that can be installed in the Safety Node Unit and Safety Control Units.

STANDARD SPECIFICATIONS

Input Module

Input modules accept contact signals from the field. SDV144 can be made dual-redundant.

Item Specifications

• Model: SDV144
• Number of Inputs: 16-channel, module isolation (*3)
• Input Signal:
  • No-voltage contact
  • ON: 1 kΩ maximum
  • OFF: 100 kΩ minimum
• Input Current: 6 mA ± 20% (External power supply, 24 V DC at 0 Ω input)
• Contact Rating: 24 V DC +20% / -10% (*4), 10 mA or greater
• External Power Supply: 24 V DC +20% / -10% (*3) (*4)
  • Current Capacity: 200 mA
• Instantaneous Maximum Permissible Input Voltage: 30.0 V DC
• Input Response Time: 40 ms maximum
• Withstand Voltage (*1) (*2): 2 kV AC between input signal and system for 1 minute, 16-input line collectively connected (*5)
• Current Consumption: 290 mA maximum (5 V DC)
  • 140 mA maximum (24 V DC)
• Weight:
  • Approx. 0.36 kg (For pressure clamp terminal block or MIL cable)
  • Approx. 0.41 kg (With signal cable interface adapter)
• External Connection:
  • Pressure clamp terminal
  • MIL cable
  • Dedicated signal cable (AKB331)

Notes:

*1: These voltages show the case using the field power supply floating. When the field power supply is grounded, the system (functional) ground is connected to the field ground, which is not isolated. For higher noise immunity, floating the field power supply is recommended.

*2: When the withstanding voltage of the field power supply between the secondary side and the ground is lower than the value shown in the table above, these voltages are adopted as the withstanding voltage of the field power supply.

*3: The number of input channels a user can use and the external power supply are restricted in case of SDV144-SC. Refer to "ProSafe-RS Outline of I/O Modules (for FIO)" (GS 32P06K60-01EN).

*4: The contact rating and the external power supply of SDV144 style code S1, S2, and S3 are 24 V DC ± 5%.

*5: When connecting SDV144 and SED4D terminal board using the dedicated signal cable, the withstand voltage is 500 V AC (between input signal lines and system). If MIL connector cables are used, the withstand voltage depends on their cable's electrical specifications.

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