Yokogawa ALR121-SE1 Serial Communication Module

Manufacturer：Yokogawa

Product Number：ALR121-SE1

Product Type：Serial Communication Module

Origin：Japan

Dimensions：126.7 × 32.8 × 130 mm

Weight：0.3 kg

Frequently Asked Questions (FAQ)

Q1: What interface does the ALR121-SE1 module support?
A1: The module supports RS-422 and RS-485 serial communication.

Q2: Is multipoint communication supported?
A2: Yes, multipoint communication is supported via RS-485 mode.

Q3: What transmission speeds are available?
A3: Selectable speeds include 1200, 2400, 4800, 9600, 19200, and 38400 bps, depending on the subsystem.

Q4: Where can this module be installed?
A4: It can be installed on units such as ANB10, ANB11, ANR10, AFF50, AFV10, AFV30, and AFV40.

Q5: Does the ALR121-SE1 support communication redundancy?
A5: Yes, it supports dual-redundant communication configurations for higher system reliability.

Q6: What is the maximum communication distance?
A6: The maximum distance is 1200 meters when using RS-485 mode.

Q7: Are multiple communication protocols supported?
A7: Yes, including FA-M3, Modbus, MELSEC-A, YS, SLC500, and PLC-S protocols.

Q8: How many types of communication functions can be handled in one system?
A8: A maximum of 8 types of communication functions can be handled per FCS.

ALR121-SE1 Serial Communication Module Yokogawa

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