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ST Series User’s Manual
7-6
TOOL CONNECTOR LOOP BACK
Use the Tool Connector Control line and Send/Receive line check when the ST cannot send and receive data
from the PC. To run the check, connecting a Tool Connector Check Loop Back Cable (Dsub9 pin, pin-side)
mounted to the Transfer Cable (GPW-CB02) is necessary.
When everything is normal, OK displays; when there is a problem, an error message displays.
INPUT PORT
Used for Digital's maintenance.
SIO CHECK
Checks the RS-232C and RS-422 SIO lines for areas where communication problems develop. In the menu,
select which check to run. To run the check, connecting the SIO cable is necessary. If all is normal, OK dis-
plays; if there is a problem, an error message appears.
The SIO cable wiring is as shown below. (RS-232C, RS-422 common)
• This check cannot be performed using the Transfer Cable(GPW-CB03).
• This check cannot be done with RS-485(MPI).
Dsub 9P
Data Transfer cable
(GPW-CB02)
1
2
3
4
7
8
CD
RD
SD
ER
RS
CS
Dsub9P
(Created by User)
3
2
7
8
1
4
SD
RD
RS
CS
CD
ER
RS-232C
1
3
7
2
6
9
8
4
RDA
SDA
SDB
RDB
CSB
ERB
CSA
ERA
RS-422