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7. COMPUTER LINK CONNECTION
7.6 Precautions
7 - 29
1
PREPARATORY
PROCEDURES FOR
MONITORING
2
DEVICE RANGE
THAT CAN BE SET
3
ACCESS RANGE
FOR MONITORING
4
HOW TO MONITOR
REDUNTANT
SYSTEM
5
BUS CONNECTION
6
DIRECT
CONNECTION TO
CPU
7
COMPUTER LINK
CONNECTION
8
ETHERNET
CONNECTION
7.6 Precautions
Time taken until the PLC runs when
connected in the multiple CPU system
The following time is taken until the PLC runs.
QCPU (Q mode), motion controller CPU (Q series): 10
seconds or more
MELDAS C70: 18 seconds or more
When the GOT starts before the PLC runs, a system
alarm occurs.Adjust the opening screen time in the
GOT setup so that no system alarm occurs.
GT Designer3 Version Screen Design
Manual
Connection to LCPU
LCPU may diagnose (check file system, recovering
process, etc.) the SD memory card when turning on the
power or when resetting. Therefore, it takes time until
the SD memory card becomes available. When the
GOT starts before the SD card becomes available, a
system alarm occurs. Adjust the opening screen time in
the GOT setup so that no system alarm occurs.
GT Designer3 Version Screen Design
Manual
When monitoring the Q170MCPU
Set [CPU No.] to "2" in the device setting to monitor the
device of the Motion CPU area (CPU No.2).
When the CPU No. is set to "0" or "1", the device on the
PLC CPU area (CPU No.1) is monitored.
When the CPU No. is set to the number other than "0"
to "2", a communication error occurs and the monitoring
cannot be executed.
For setting the CPU No., refer to the following manual.
GT Designer3 Version Screen Design
Manual
Example) Setting dialog box of the bit device