- 39 -
SI 400 DIGITAL INDICATOR
6-3. Current loop
Current loop is suitable for middle distance transmission because stronger than RS-232C against
electric noise. (About 100M)
Maximum communication speed is 9,600.
6-4-1. Current loop circuit composition
6-4-2. Connection
RxD
TxD
GND
C/L
C/L
RS232
RS232
RS232
TxD
TxD