Chapter 8. SPECIFICATIONS
40
■ RS-485 specifications
Item Remarks
Transmission mode Balanced
Transmission line 3-wire system
Transmission speed (bps) 2400, 4800, 9600, 19200, 38400
Transmission distance 500m max.
(300m when connected with the MA500DIM and CMC410.)
Communications flow Half duplex
Synchronization Start-stop synchronization
Data format 8 data bits, 1 stop bit, even parity
8 data bits, 2 stop bits, no parity
Error detection Parity check, checksum
Station address 0 to 127
(Communication function is inhibited when set to “0”.)
Network type 1: N
(31 units max.)
The rest of items Conforms to RS-485 interface specifications.
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