Modem-To-Modem Connection; System Configuration; Cable Specifications - YASKAWA MP920 User Manual

8 Example Communications Module Applications

8.6.1 System Configuration

8.6

Modem-to-Modem Connection

8.6.1
8.6.2
This section explains MEMOBUS Master/Slave communications with two modems.

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.
Engineering
MPE720

Cable Specifications

217IF Module ↔ Modem
MP930 ↔ Modem Connection Cables
217IF Module
D-sub 9-pin
Signal Name Pin No.
1
FG
2
TXD
3
RXD
4
RTS
5
CTS
6
DSR
7
SG
8
N.C.
9
DTR
PS-01 CPU-01
RS-232C
MEMOBUS
Modem
8-34
MP920 MP930
217IF
Modem
Modem
D-sub 9-pin
Pin No. Signal Name
1
2
3
4
5
6
7
8
9
FG
TXD
RXD
RTS
CTS
DSR
SG
N.C.
DTR