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8. BUS CONNECTION
8.4 Precautions
8 - 37
8
BUS CONNECTION
8.4.3
Powering OFF the GOT,
reapplying the power (OFF to
ON)
(1) Precautions for reapplying the power to the GOT
(OFF to ON)
Do not power-cycle the GOT (OFF to ON) while the
PLC is ON.
Before doing so, be sure to turn off the PLC first.
HINT
HINT
HINT
Operations causing automatic reboot of the GOT2000
Series
Since the GOT2000 Series is automatically rebooted
in the following cases, the power does not need to be
reapplied to the GOT (OFF to ON).
• When an OS is written from GT Designer3 or a SD
card
• When utility settings have been changed
(2) When turning OFF the GOT before display of the
user creation screen
When the GOT is turned OFF before the user creation
screen is displayed on the GOT, subsequent
communications may be no longer possible.
In such a case, reapply the power to the PLC CPU and
GOT.
(3) Precautions for connection of 3 GOTs or more (when
connecting QCPU (Q mode))
8.4.10 (1)Restrictions in overall cable length to
No. of GOTs
8.4.4
Reset switch on GOT
When bus connection is used, the reset switch on the GOT
does not function.
8.4.5
Powering OFF or resetting the
PLC
(1) When turning OFF or resetting the PLC during
monitoring
When turning OFF or resetting the PLC during
monitoring, the system alarm (No.402: timeout error) is
generated.
When the PLC CPU is restored, the GOT automatically
resumes monitoring.
Use System Information to reset the alarm.
For the System Information, refer to the following
manual:
GT Designer3 (GOT2000) Help
(2) When turning OFF or resetting the PLC CPU before
display of the user creation screen
When the PLC CPU is turned OFF or reset before the
user creation screen is displayed on the GOT,
subsequent communications may be no longer
possible.
In such a case, reapply the power to the PLC CPU and
GOT.
(3) Precautions for connection of 3 GOTs or more (when
connecting QCPU (Q mode))
8.4.10 (1)Restrictions in overall cable length to
No. of GOTs
8.4.6
Position of the GOT
Always connect the GOT to the last base unit.
Connecting a GOT between base units is not allowed.
8.4.7
When the GOT is bus-
connected to a PLC CPU
without the communication
driver written
When the GOT is bus-connected to a PLC CPU without the
standard monitor OS and the communication driver for the
bus connection being written onto the GOT, the PLC CPU
is reset. (GX Developer cannot communicate with the PLC
CPU)
In this case, disconnecting the bus connection cable from
the GOT will cancel the reset status of the PLC CPU.
Summary of Contents for GOT2000 Series
Page 2: ......
Page 62: ...1 38 1 PREPARATORY PROCEDURES FOR MONITORING 1 6 Checking for Normal Monitoring ...
Page 64: ......
Page 80: ...2 16 2 DEVICE RANGE THAT CAN BE SET 2 6 MELSEC WS ...
Page 246: ...7 26 7 COMPUTER LINK CONNECTION 7 6 Precautions ...
Page 252: ...8 6 8 BUS CONNECTION 8 1 Connectable Model List ...
Page 256: ...8 10 8 BUS CONNECTION 8 2 System Configuration ...
Page 288: ...8 42 8 BUS CONNECTION 8 4 Precautions ...
Page 324: ...9 36 9 MELSECNET H CONNECTION PLC TO PLC NETWORK MELSECNET 10 CONNECTION PLC TO PLC NETWORK ...
Page 416: ......
Page 510: ...15 46 15 SERVO AMPLIFIER CONNECTION 15 7 Precautions ...
Page 518: ...16 8 16 ROBOT CONTROLLER CONNECTION 16 6 Precautions ...
Page 540: ...17 22 17 CNC CONNECTION 17 7 Precautions ...
Page 541: ...MULTIPLE GOT CONNECTIONS 18 GOT MULTI DROP CONNECTION 18 1 ...
Page 542: ......
Page 567: ...MULTI CHANNEL FUNCTION 19 MULTI CHANNEL FUNCTION 19 1 ...
Page 568: ......
Page 599: ...FA TRANSPARENT FUNCTION 20 FA TRANSPARENT FUNCTION 20 1 ...
Page 600: ......
Page 668: ...20 68 20 FA TRANSPARENT FUNCTION 20 7 Precautions ...
Page 670: ...REVISIONS 2 ...
Page 673: ......