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5. BUS CONNECTION
5.4 Precautions
5.4.8 When designing the system
When the GOT is OFF, the following currents are supplied
to the GOT from the PLC CPU side (the power supply
module on the main base unit).(The GOT does not operate
when it is OFF.)
Design the system so that the 5V DC current consumption
of the modules on the main base unit and the total current
consumption of the GOTs will not exceed the rated output
current of 5V DC of the power supply module in use.
5.4.9 When assigning GOT I/O
signals
Do not use the I/O signals assigned to the PLC CPU in
sequence programs, as these signals are used by the GOT
system.
When these signals are used, GOT functions cannot be
assured.
5.4.10 When connecting to a QCPU
(Q mode)
(1) Restrictions in overall cable length to No. of GOTs
The following restrictions apply when 3 of more GOTs
are connected:
(2) When using a Q00JCPU, Q00UJCPU
The bus extension connector box can be connected
only to the extension base unit.
(Connecting it to the main base unit is not allowed)
(3) When using a Q00J/Q00UJ/Q00/Q00U/Q01/Q01U/
Q02UCPU
When a GOT is bus-connected to a Q00JCPU or
Q00UJCPU, number of extension stages including the
GOT must be 2 or less.
When a GOT is bus-connected to a Q00CPU,
Q00UCPU, Q01CPU, Q01UCPU or Q02UCPU,
number of extension stages including the GOT must be
4 or less.
When connecting to No. of GOTs
Total current
consumption
When connecting to
QCPU (Q mode)
5 2200mA
4 1760mA
3 1320mA
2880mA
1440mA
Other than QCPU (Q mode)
3360mA
2240mA
1120mA
Number
of GOTs
Overall Cable
Length
Restriction
Overall Cable
Length
Restriction
1
(No restrictions)
2
3
Less than
25m
(No
restrictions)
25 to 37m
Use the same
power supply for
the PLC and all
GOTs, and turn
these devices
ON and OFF
simultaneously.
4
Less than
20m
20 to 37m
5
Less than
15m
15 to 37m
Q00JCPU,
Q00UJCPU
Stage No. setting
connector
Q00CPU, Q00UCPU, Q01CPU,
Q01UCPU, Q02UCPU
Main base unit
Extension base unit
Extension
stage 1
Extension
stage 2
Extension
stage 3
GOT
Stage No. :4
Stage No. setting
connector
Q00JCPU, Q00UJCPU
Main base unit
Extension base unit
GOT
Stage No. :2
Extension
stage 1