Maximum communication distances – Rockwell Automation 1747-KE,D17476.12 DH-485/RS-232C Interface Module User Manual
Page 119
Advertising
Publication 1747-UM005B-EN-P - March 2006
Specifications A-3
Maximum Communication Distances
Maximum Communication Distances
Communication
Max. Distance Allowed in m (ft)
Rate (Kbps)
RS-232
RS-423
RS-422
RS-485
300
15 (50)
1230 (4000)
1230 (4000)
1230 (4000)
600
15 (50)
920 (3000)
1230 (4000)
1230 (4000)
1200
15 (50)
770 (2500)
1230 (4000)
1230 (4000)
2400
15 (50)
502 (1650)
1230 (4000)
1230 (4000)
4800
15 (50)
245 (800)
1230 (4000)
1230 (4000)
9600
15 (50)
120 (400)
1230 (4000)
1230 (4000)
19200
15 (50)
60 (200)
1230 (4000)
1230 (4000)
IMPORTANT
When communicating in RS-232 mode, use the
RS-423 jumper settings.
When communicating in RS-423 mode, use RS-423 or
compatible receivers.
Advertising