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YOKOGAWA S9361DH-00 Terminal Board Module

Configured for multi-signal data acquisition in SL1000 systems, the YOKOGAWA S9361DH-00 (S9361DH-00 Terminal Board Module) provides direct physical/electrical execution of voltage, temperature, and logic signal interfacing.

Hardware Specifications

Parameter Specification
Model S9361DH-00
Brand YOKOGAWA
Origin Japan
Weight 0.24 kg
Dimensions 17.8 cm x 4.6 cm x 24.9 cm
Operating Temp -20 deg C to +70 deg C
Power Consumption 24 VDC +/- 10%
Signal Types Voltage (mV/V), Thermocouple (TC), RTD, Digital I/O
Channel Count 20 channels
Accuracy +/- 0.1% full scale
Sampling Rate Up to 1000 samples/sec

Process Control and DCS Instrumentation Integrity

The YOKOGAWA S9361DH-00 incorporates advanced channel-to-channel and channel-to-ground isolation to mitigate electromagnetic interference and potential ground loops within high-precision measurement environments. The module features integrated cold junction compensation (CJC) circuitry, which autonomously adjusts for thermal gradients during thermocouple signal processing. By providing dedicated sensor excitation voltages, the board ensures stable resistance temperature detector (RTD) readings while maintaining 16-bit analog-to-digital resolution across all input channels.

Frequently Asked Questions (FAQ)

Q: What are the installation constraints for this terminal board?

A: The board is designed for panel or rack mounting. Ensure adequate clearance to maintain specified operating temperatures (-20 deg C to +70 deg C) and verify that all incoming field wiring is properly shielded to preserve isolation integrity.

Q: How does the module handle thermocouple measurements?

A: The module utilizes an onboard cold junction compensation (CJC) sensor to calibrate terminal temperatures in real-time, which eliminates the requirement for external reference junctions and ensures measurement accuracy of +/- 0.1% full scale.

Field Installation Guidelines

  • Mounting: Secure the board using standard panel or rack-mount fasteners. Confirm that the mechanical chassis is grounded to the system common to facilitate high-frequency noise suppression.

  • Wiring: Terminate field wiring using the designated screw terminals. For thermocouple or low-voltage signal paths, ensure that cable shields are grounded at the source or the module entry point as per standard industrial instrumentation practices.

  • Verification: Before applying the 24 VDC supply, verify that all sensor connections (RTD, TC, and voltage) are seated correctly to prevent open-circuit inputs.

  • Maintenance: Periodically inspect terminal connections for oxidation or mechanical fatigue resulting from vibration, particularly in automotive testing or heavy industrial environments.

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