Digital guide
You are here:
Yokogawa ALR121-S01 Redundant Power Supply Module
Technical Specifications:
- Output Voltage: 24V DC, dual – channel redundant output.
- Output Current: 10A per channel, total 20A.
- Input Voltage: 100-240V AC, 50/60Hz.
- Efficiency: ≥ 88%.
- Redundancy Switching Time: ≤ 5ms.
- Working Temperature: -20~70°C.
- Protection Features: Overvoltage, overcurrent, short – circuit and over – temperature protection.
Detailed content
- Functional Characteristics:
- Dual – channel redundancy: Automatic switch to the standby channel when the main power supply fails, ensuring uninterrupted power supply.
- High efficiency: High – efficiency power conversion reduces energy consumption and heat generation.
- Comprehensive protection: Multiple protection mechanisms prevent damage to the module and connected equipment.
- Hot – swap support: Allows online replacement of the module without system shutdown, improving maintainability.
- Status monitoring: Real – time monitoring of input/output voltage, current and module temperature with alarm output for abnormal conditions.
- Application Scenarios: It is the core power component of the CENTUM VP DCS system, widely used in key production processes in petroleum, chemical, natural gas, power generation and other industries. It provides reliable power for the controller, I/O modules and other components of the DCS system, ensuring the stable operation of the industrial process.
