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3 COMMON PARAMETERS
3.1.1 System data settings
The table below lists the system data items to be set.
Item Setting range Initial value Remark
CPU base 2/3/5/8/10/12 slots CPU base: 2 slots
Base setting
Extension base None/2/3/5/8/10/12 slots None
Set the number of slots in the CPU base
or extension base.
Number of Multiple
CPUs
2/3/4 modules 2 modules
Set the total number of Multiple CPUs
including PLC CPU(s).
Automatic refresh
setting
Up to 2k words of devices
(D/W/#/M/Y/B) can be set
per CPU for settings 1 to 4.
None
Set the automatic refresh between CPUs
using Multiple CPU shared memory.
Multiple CPU
setting
Error operation mode
at the stop of CPU
Stop/do not stop all CPUs
upon an error in CPU Nos.
1/2/3/4.
(The setting range varies
depending on the number
of Multiple CPUs installed.)
Stop all CPUs upon
error in CPU Nos.
1/2/3/4
Set whether or not to stop the entire
system when a CPU stop error occurs in
each CPU.
Module arrangement
Within the CPU base and
extension base slots
None
Install the modules controlled by the self
CPU in the CPU base and/or extension
base(s).
Common
system
parameters
Motion slot
setting
Individual module
Varies depending on the
module.
Varies depending on the
module.
Set detailed items for each module
controlled by the self CPU.
Operation cycle
0.4ms/0.8ms/1.7ms/3.5ms
/7.1 ms/14.2ms/Auto
Auto Set the operation cycle of motion control.
Operation at STOP to
RUN
M2000 is turned on with
switch (STOP to RUN).
/M2000 becomes a switch
set (STOP to RUN) +
register by single-unit with
turning on.
M2000 is turned on with
switch (STOP to RUN).
Set the condition in which the PLC ready
flag (M2000) turns on.
Forced stop
(Note)
None/X(PX) (0 to 1FFF)/M
(0 to 8191)
None Set the bit device used for forced stop.
Basic
system
setting
Latch range
M (0 to 8191)/B (0 to
1FFF)/F (0 to 2047)/D (0 to
8191)/W (0 to 1FFF)
None Set the latch range of device memory.
Self CPU installation position setting
Set self CPU/another CPU/
CPU (empty) for slots 0/1/2.
(The setting range varies
depending on the number
of Multiple CPUs installed.)
None
(When two CPUs are
installed, slot 0 is fixed
as the self CPU.)
Set the installation position of the self
CPU in the CPU base.
Q173HCPU:
Up to 2 systems, 32 axes.
Q172HCPU:
Up to 1 system, 8 axes
None
External signal input setting
Amplifier input invalid/
Amplifier input valid
Amplifier input invalid
Amplifier setting
Input filter setting
None/0.8ms/1.7ms/2.6ms
/3.5ms
3.5ms
Set the model name, axis No. and other
details for the servo amplifiers.
High-speed data read setting
One Q172EX/Q173PX
module and one input
module.
None
Set the high-speed read data. Refer to
Section 4.3 for the high-speed read
function.
Individual
parameters
Battery setting
External battery unused/
External battery used
External battery unused
Set whether or not to use an external
battery. If the power supply is down for
one month or longer, data must be
backed up with an external battery. Refer
to "Q173HCPU/Q172HCPU User’s
Manual" for external battery.
(Note) : The forced stop can also be executed by the forced stop terminal of servo amplifier besides the forced stop input setting.