AALR121-S00
AALR121-S00 is a YOKOGAWA Dual-Port Serial Communication Module with RS-422 / RS-485 interface. It is used for CENTUM DCS and STARDOM systems to communicate with third-party devices such as PLCs, instruments and inverters.
Basic Specifications
Model: AALR121-S00
Interface: 2 channels RS-422 / RS-485
Communication Mode: RS-422 point-to-point; RS-485 multi-drop (max. 31 slave stations)
Baud Rate: 1200 ~ 115200 bps (configurable)
Data Format: Data bit 7/8 bit; Stop bit 1/2 bit; Parity: None / Odd / Even
Transmission Distance: RS-422 up to 15 m; RS-485 up to 1200 m
Power Supply: Backplane powered
Isolation Withstand Voltage: ≥2500 V AC
Power Consumption: Approx. 2 W
Operating Temperature: 0 °C ~ +55 °C
Description
AALR121-S00 is a YOKOGAWA Dual-Port Serial Communication Module with RS-422 / RS-485 interface. It is used for CENTUM DCS and STARDOM systems to communicate with third-party devices such as PLCs, instruments and inverters.
Basic Specifications
Model: AALR121-S00Interface: 2 channels RS-422 / RS-485Communication Mode: RS-422 point-to-point; RS-485 multi-drop (max. 31 slave stations)Baud Rate: 1200 ~ 115200 bps (configurable)Data Format: Data bit 7/8 bit; Stop bit 1/2 bit; Parity: None / Odd / EvenTransmission Distance: RS-422 up to 15 m; RS-485 up to 1200 mPower Supply: Backplane poweredIsolation Withstand Voltage: ≥2500 V ACPower Consumption: Approx. 2 WOperating Temperature: 0 °C ~ +55 °C
Key Features
Supports Modbus RTU master/slave and custom serial protocols.
Redundancy configuration supported for high communication reliability.
Hot swappable; module can be replaced online without system interruption.
Compatible with AFV10/30/40, ANB10, ANR10, AFF50 series racks.
Suffix Description
-S: Standard type
00: Basic version without special options
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