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1 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-
**
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)
SW1 (Above: 4-line system
Below: 2-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
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
Communication data (+)
Communication data (-)
Communication data (+)
Communication data (-)
Termination resistance (off)
Termination resistance (off)
Termination resistance (on)
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