The ALR121-S53 is a relay output module manufactured by Yokogawa, designed for reliable signal switching in distributed control systems. It supports multiple output channels and ensures safe operation in industrial environments.
Specifications
Manufacturer: Yokogawa
Model: ALR121-S53
Product Type: Relay output module
Number of Channels: 16 relay output channels
Output Type: Form A (normally open) relay contacts
Contact Rating: 2A at 30V DC or 0.5A at 125V AC
Power Supply: 24V DC (±10%)
Isolation: Optical isolation between channels and system
Response Time: Typically less than 10 ms
Operating Temperature: -20°C to +60°C
Weight: Approx. 0.4 kg
System Compatibility: CENTUM VP and other Yokogawa control platforms
Features
Multi-Channel Output: Supports simultaneous control of 16 devices
High Isolation: Prevents electrical interference between system and field
Fast Switching: Enables responsive control in real-time applications
Durable Contacts: Rated for frequent switching cycles
Compact Design: Saves space in control cabinets
Easy Integration: Seamlessly connects with Yokogawa DCS systems
Industrial Grade: Built for long-term use in harsh environments
