Yaskawa MP920 Communications Module - Manual (Page 225)

8 Example Communications Module Applications
8.6.1 System Configuration
8-34
8.6 Modem-to-Modem Connection
This section explains MEMOBUS Master/Slave communications with two modems.
8.6.1 System Configuration
The standard serial port (Port 1) of an MP930 located a distance away from the 217IF Mod-
ule is configured as a modem-to-modem system.
The engineering environment is provided by connecting the MPE720 Programming Device
to the CN1 port of the 217IF.
8.6.2 Cable Specifications
„ 217IF Module ↔ Modem
MP930 ↔ Modem Connection Cables
MP930 MP920
PS-01 CPU-01 217IF
Engineering
MPE720
MEMOBUS
RS-232C
Modem Modem
217IF Module Modem
D-sub 9-pin D-sub 9-pin
Signal Name Pin No. Pin No. Signal Name
FG 1 1 FG
TXD 2 2 TXD
RXD 3 3 RXD
RTS 4 4 RTS
CTS 5 5 CTS
DSR 6 6 DSR
SG 7 7 SG
N.C. 8 8 N.C.
DTR 9 9 DTR