Page:
13
FinsGateway Modem Module User’s Manual
©
©
©
© Copyright OMRON Corporation 1999 All Rights Reserved
Copyright OMRON Corporation 1999 All Rights Reserved
Copyright OMRON Corporation 1999 All Rights Reserved
Copyright OMRON Corporation 1999 All Rights Reserved
5 – 3 Connecting the PLC Modem
Prepare the cable according to the figures below to connect the modem to the PLC. The cable
included with the modem works to connect to a computer but not a PLC.
M od em
2 5p in
C onnector hood
F G
20
E R
6
D R
7
SG
5
C S
4
R S
3
R D
2
SD
1
FG
P LC C P U u nit
9
p in
C o nne ctor ho od
F G
9
S G
5
C S
4
R S
3
R D
2
S D
1
--
(Sh ield)
For wiring details, refer to the modem and PLC manuals.
5 – 4 Send the AT Command
The PLC modem setup utility may not work for old modems. If the utility does not work, send
the AT command to set it.
Send any AT command using the PLC modem setup utility. See the modem manual for the
setting details.
Function
Set the number of rings for auto answer.
The example shows setting 1 ring.
Save the settings in non-volatile RAM.
The example is saving the settings to profile 0.
Select the profile to load when the modem is
turned on. The example is loading profile 0.
AT Command
ATS0=1
AT&W0
AT&Y0
Flow control or the CD/DR/ER signal control settings may be required for the modem. See the
modem manual and determine the AT commands to set them.