The YOKOGAWA SDV531-L33 is a digital output module designed to provide reliable on/off status signals to field equipment in industrial automation systems. This module supports advanced features such as dual-redundancy and field wiring diagnostics, making it suitable for safety and control applications.
Key Features
- Output Functionality:
- Outputs on/off status signals to field equipment.
- Supports dual-redundant configurations for enhanced reliability.
- Field Diagnostics:
- Built-in diagnostic functions eliminate the need for additional wiring diagnosis elements.
- Robust Electrical Specifications:
- Handles up to 8 output channels with module isolation.
- Designed to withstand harsh industrial environments.
Specifications
Electrical Specifications:
| Attribute |
Details |
| Number of Outputs |
8 channels (module isolation). |
| Output Voltage |
24 V DC. |
| Output Voltage Drop |
1 V maximum. |
| External Power Supply Rating |
24 V DC ±20%, 5 A minimum. |
| Maximum Load Current |
0.6 A per output line (4.8 A total for all output lines). |
| Minimum Load Current |
35 mA. |
| Load Resistance Range |
40 to 685 Ω (including field wiring resistance). |
| Output Format |
Current source. |
| Maximum Leak Current |
1.6 mA (when output is off). |
| Output Response Time |
30 ms maximum. |
Power Requirements:
| Attribute |
Details |
| Current Consumption |
280 mA (5 V DC), 140 mA (24 V DC). |
Environmental Specifications:
| Attribute |
Details |
| Operating Temperature |
-20 to 70 °C (-4 to 158 °F). |
| Weight |
Approx. 0.28 kg (with pressure clamp terminal or MIL cable). |
| External Connection Options |
Pressure clamp terminal, MIL cable, or dedicated signal cable (AKB331/AKB651). |
Safety and Withstand Voltage:
| Attribute |
Details |
| Withstand Voltage |
2 kV AC (output signal lines to system, floating power supply). |
| Withstand Voltage (Cable) |
500 V AC when using AKB331; dependent on cable specs for MIL connectors. |
Model and Suffix Codes
- Model: SDV531
- Description: Digital Output Module (8-channel, 24 V DC, module isolation).
Suffix Codes:
| Suffix |
Description |
| -L |
Long-distance type. |
| 3 |
With ISA Standard G3 and extended temperature range (-20 to 70 °C). |
Important Notes:
- Dual-Redundant Configuration:
- For dual-redundant setups, an additional module with the same specifications is required.
- Signal Cable Compatibility:
- When using this module with signal cables, specific option codes (/SDV531, /SDV53L, or /DV53L) must be selected to prevent incorrect module insertion.
- Recommended Connections:
- Use AKB331 or AKB651 signal cables for optimal performance.
- Floating the field power supply is recommended for higher noise immunity.
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