Rockwell Automation 1747-KE DH-485/RS-232C INTERFACE MODULE - Manual (Page 22)

22 DH485/RS-232C Interface Module
Publication 1747-IN006B-EN-P - October 2005
Certification Value
Agency Certification c-UL-us listed
Class I, Groups A, B, C or D, Division 2
CE compliant for all applicable directives
C-Tick marked for all applicable acts
Communication Max. Distance Allowed in Meters (Feet)
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.