Yokogawa | ALR121-S00 | Serial Communication Module Media Converter Measurement Range: 01= 0 –

Measurement Range: 01= 0 – 25

512 double word flags

Secondary Short Circuit Protection: 10-14 A

Line Redundancy: Yes

Voltage State 1 (Guaranteed): 24 V: 24 V ± 20%

Yokogawa | ALR121-S00 | Serial Communication Module Media Converter Measurement Range: 01= 0 –Overview The Yokogawa ALR121 S00 is a dual port serial communication module supporting RS 422 and RS 485 links for field I O networks. Model & Suffix Codes Model: ALR121 Serial Communication Module (RS 422 RS 485, 2 port) Suffix S: Standard type Suffix 0: No explosion protection Suffix 0: ISA Standard G3 compliance Interface Details Interface: RS 422 RS 485 (4 wire system) Connection Method: Point to point (RS 422) Multipoint (RS 485) Cabling &