Product Overview

The Yokogawa SDV144-S63 is a digital input module for distributed control systems. It provides 16 isolated input channels at 24V DC. This module accepts no-voltage contact signals from field devices. The Yokogawa SDV144-S63 features module isolation for signal integrity. Users trust this module for reliable digital input processing in harsh environments.

Technical Specifications

The SDV144-S63 delivers robust digital input with module isolation. Below are the complete technical details.

General Specifications

• Manufacturer: Yokogawa for industrial automation reliability.

• Product Type: Digital Input Module.

• Product Number: SDV144-S63 for precise identification.

• Model: SDV144 Digital Input Module (16-channel, 24V DC, module isolation).

• Suffix Code S: Standard type configuration.

• Suffix Code 6: With signal cable interface adapter and no explosion protection.

• Suffix Code 3: With ISA Standard G3 and temperature (-20 to 70°C).

• Weight (Pressure Clamp/MIL): Approx. 0.36 kg.

• Weight (With Signal Cable Adapter): 0.41 kg.

Input Channel Specifications

• Number of Inputs: 16-channel with module isolation.

• Input Signal Type: No-voltage contact.

• ON Condition: 1 kΩ maximum resistance.

• OFF Condition: 100 kΩ minimum resistance.

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

Contact and Power Specifications

• Contact Rating: 24V DC +20% / -10%, 10 mA or greater.

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

• External Power Current Capacity: 200 mA required.

• Instantaneous Maximum Input Voltage: 30.0 V DC.

Input Response Time

• Input Response Time: 40 ms maximum.

• Response Speed: Suitable for most industrial digital signals.

• Signal Filtering: Built-in debouncing for contact bounce.

Withstand Voltage and Isolation

• Withstand Voltage: 2 kV AC between input signal and system for 1 minute.

• Test Configuration: 16-input line collectively connected.

• Isolation Type: Module isolation for complete channel separation.

• Protection Level: High isolation for noisy environments.

Power Consumption

• Current Consumption (5V DC): 290 mA maximum.

• Current Consumption (24V DC): 140 mA maximum.

• Total Power: Moderate consumption for 16 channels.

External Connection Options

• Pressure Clamp Terminal: For secure field wiring.

• MIL Cable: For high-density connections.

• Dedicated Signal Cable: AKB331 for Yokogawa system integration.

• Signal Cable Interface Adapter: Included with suffix code 6.

Environmental Specifications (Suffix Code 3)

• ISA Standard G3: Compliant with harsh environment protection.

• Operating Temperature: -20°C to +70°C for extended range.

• Application Suitability: Ideal for demanding industrial locations.

Installation Guide

Follow these steps to install the Yokogawa SDV144-S63 correctly.

1. Power Down the System: Turn off all power to the I/O rack.

2. Locate the Slot: Find an available slot in the Yokogawa base plate.

3. Insert the Module: Slide the SDV144-S63 into the slot until seated.

4. Secure the Module: Lock the module using the retaining mechanism.

5. Connect Signal Cable: Use AKB331 dedicated cable or MIL connector as needed.

6. Install Signal Cable Adapter: Attach the adapter if using suffix code 6 configuration.

7. Wire External Power: Supply 24V DC (+20%/-10%) to the external power terminals.

8. Verify Current Capacity: Ensure external supply provides at least 200 mA.

9. Wire Field Contacts: Connect no-voltage contact switches to input channels.

10. Check Contact Resistance: Verify ON resistance is below 1 kΩ and OFF above 100 kΩ.

11. Apply Power: Turn on the system and external power supply.

12. Verify Input Status: Check each channel for correct ON/OFF detection.

13. Test Response Time: Confirm input changes register within 40 ms.

14. Monitor Input Current: Verify each channel draws approximately 6 mA when ON.

Installation Notes

• The module provides 16 isolated channels for no-voltage contacts.

• Withstand voltage is 2 kV AC between input and system.

• Input response time is 40 ms maximum.

• External power supply requires 200 mA current capacity.

• ISA Standard G3 protection for harsh environments.

Packaging List

This unit ships as a new and original product.

• Yokogawa SDV144-S63 Digital Input Module

• Signal cable interface adapter (pre-installed with suffix code 6)

• Product data sheet with channel assignments

• Anti-static factory packaging box

Frequently Asked Questions (FAQ)

1. What type of input signals does the SDV144-S63 accept?
The Yokogawa SDV144-S63 accepts no-voltage contact inputs. ON condition requires 1 kΩ maximum resistance. OFF condition requires 100 kΩ minimum resistance.

2. How many input channels does this module provide?
The SDV144-S63 provides 16 isolated input channels with module isolation. Each channel operates at 24V DC.

3. What is the input response time for this digital input module?
The Yokogawa SDV144-S63 has an input response time of 40 ms maximum. This includes debouncing for reliable contact reading.

4. What external power supply does this module require?
The SDV144-S63 requires an external power supply at 24V DC +20% / -10%. The supply must provide at least 200 mA current capacity.

5. What environmental protection does the -S63 suffix provide?
The Yokogawa SDV144-S63 includes ISA Standard G3 protection. It also operates from -20°C to +70°C for harsh environments.