Instruction manual
1-40 16. Terminal Converter (ZM-1TC)
Connection
Connecting the RS-422 communicating cable
Choose 4-line or 2-line system by the ZM-1TC DIP switch (SW1)
Connect the cable if SG exists.
Connect the shield line to FG.
End resistance is set by the dip switch located on the back side of ZM-300/
ZM-42 to 82 body.
Be sure to put the attached cover to ZM-1TC when the connection is
terminated.
TB1
SW1
+RD
-RD
-SD
FG
+SD
SG
(up four-wire)
ZM-1TC
In the case of communicating one to the other
4-line system 2-line system
In case of multi-link
2-line system (in the case it has to jump on PC side)
2-line system (in the case it doesn’t have to jump on PC side)
Below: 2-line system
SW1(Above: 4-line system)
Signal name
FG
+RD
-RD
+SD
-SD
Shield
SG
ZM-1TC
To the RS4222 port of the
link module of the PC
Communication data (+)
Communication data (-)
Communication data (+)
Communication data (-)
Signal name
FG
+RD
-RD
+SD
-SD
Shield
SG
ZM-1TC
To the RS4222 port of the
link module of the PC
Sending/ receiving data (+)
Sending/ receiving data (-)
Signal name
FG
+RD
-RD
+SD
-SD
Shield
SG
ZM-1TC
To the RS4222 port of the
link module of the PC
Signal name
FG
+RD
-RD
+SD
-SD
Shield
SG
ZM-1TC
Signal name
FG
+RD
-RD
+SD
-SD
Shield
SG
ZM-1TC
Sending/ receiving data (+)
Sending/ receiving data (-)
Termination resistance (off)
Termination resistance (off)
Termination resistance (on)
Signal name
Shield
ZM-1TC
To the RS4222 port of the
link module of the PC
Signal name
Shield
ZM-1TC
Signal name
Shield
ZM-1TC
Communication data (+)
Communication data (-)
Communication data (+)
Communication data (-)
Termination resistance (off)
Termination resistance (off)
Termination resistance (on)
FG
+RD
-RD
+SD
-SD
SG
FG
+RD
-RD
+SD
-SD
SG
FG
+RD
-RD
+SD
-SD
SG