Company Information | ||||||||
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Mobile | +8613666033393 | |||||||
+8613666033393 | ||||||||
13666033393 | ||||||||
Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China |
Product Description
The Yokogawa SPW481 is a robust power supply module specifically designed for ProSafe-RS safety control systems. It delivers stable, regulated power to ensure uninterrupted and safe operation in critical industrial environments.
Technical Specifications
Parameter | Value |
---|---|
Model | SPW481 |
Input Voltage | 100–120 V AC |
Output Voltage | Regulated for SCS use |
Operating Temperature | -20 to 50°C |
Dimensions (W×H×D) | 130 × 50 × 160 mm |
Weight | 1.3 kg |
Installation | Rack-mountable |
Compatibility | ProSafe-RS SSC10, SSC50, SSC60, SNB10, SNT10 |
Applications
The SPW481 is widely used in:
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ProSafe-RS safety control stations (SCS) in single or duplex configurations
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Safety node units (SNB10D) to power I/O modules
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Optical bus repeater units (SNT10D) for extended system configurations
Advantages
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Dual-redundancy support for enhanced system availability
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Compact design for efficient rack installation
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Reliable operation in harsh environments
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Conforms to IEC 61508 functional safety standards when properly installed
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Easy maintenance and hot-swappable replacement
FAQ
Q1: What is the input voltage range of the SPW481?
A1: The SPW481 operates on 100–120 V AC.
Q2: Can the SPW481 be used in duplex configurations?
A2: Yes, it supports dual-redundant operation for improved reliability.
Q3: Which Yokogawa systems is the SPW481 compatible with?
A3: It works with ProSafe-RS SSC10, SSC50, SSC60, SNB10, and SNT10 units.
Q4: What is the weight of the SPW481?
A4: The SPW481 weighs approximately 1.3 kg.
Q5: What are its operating temperature limits?
A5: The SPW481 is rated for -20°C to 50°C ambient conditions.
Q6: Can it be replaced while the system is running?
A6: Yes, it can be hot-swapped following Yokogawa’s procedures.
Q7: How many SPW481 modules are needed for duplex operation?
A7: Typically, two SPW481 modules are installed for redundancy.
Q8: Is it compatible with 220–240 V AC?
A8: No, for 220–240 V AC you should use the SPW482 model.
Q9: Is the SPW481 suitable for safety-critical applications?
A9: Yes, when installed as specified it meets functional safety requirements.
Q10: What are the installation dimensions?
A10: The dimensions are 130 × 50 × 160 mm.
Recommended Related Models (Same Series or Related)
Model | Input Voltage | Output | Dimensions (mm) | Weight |
---|---|---|---|---|
SPW482 | 220–240 V AC | Regulated | 130 × 50 × 160 | 1.3 kg |
SPW484 | 24 V DC | Regulated | 130 × 50 × 160 | 1.3 kg |
S9159FA | 100–240 V AC | Fan Unit PS | 130 × 50 × 160 | 1.3 kg |
S9160FA | 24 V DC | Fan Unit PS | 130 × 50 × 160 | 1.3 kg |
SCP401 | Processor | N/A | 130 × 50 × 160 | 1.2 kg |
SEC401 | ESB Coupler | N/A | 130 × 50 × 160 | 1.2 kg |
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---|---|---|---|
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