P/N 3100346 ISSUE 3
PAGE 11
The calculated Message Block checksum are appended to the message string. Two bytes, ASCII 7 and
ASCII 1, consume these two checksum data fields. See below.
Send format:
<STX>054300A<ETX>
71
5.0
Wiring applications
RS-232 to RS-485 Multi or Single drop
PLC to RS-485 Multi or Single drop
RS-232 Port
DB9 F/M
(MCN485CB2323A9)
RS232/485 Converter
(MCN485CB2EOLT)
RS-485 cable
(up to 4000 ft)
Up to 32 units
(maximum)
PLC Controller
Tone Generator
5540M-485Y6 or
5540MV-485Y6
Tone Generator
5540M-485Y6 or
5540MV-485Y6
9 RI
8 CTS
7 RTS
6 DSR
5 COM
4 DTR
3 TXD
2 RXD
1 DCD
9 RI
NOT USED
IBM PC or PLC
RS-232/485 Converter
(MCN485CB2EOLT
8 CTS
7 RTS
6 DSR
5 COM
4 DTR
3 TXD
2 RXD
1 DCD
RS-232 Port
DB9 F/M
(MCN485CB2323A9)
RS232/485 Converter
(MCN485CB2EOLT)
RS-485 cable
(up to 4000 ft)
Tone Generator
5540M-485Y6 or
5540MV-485Y6
Tone Generator
5540M-485Y6 or
5540MV-485Y6
Up to 32 units
(maximum)
IBM PC or Terminal