APPENDICES
Table 4.1 Differences Between Q173DCPU/Q172DCPU and Q173HCPU/Q172HCPU
(Continued)
Item
Medium of operating system
software
Model of operating system software
CPU module No.1
Installation orders CPU No.2 or later
Combination of Motion CPU
modules
CPU empty slot
Multiple CPU high
speed transmission
CPU shared
area
memory
Access by Multiple
CPU shared memory
Memory
Automatic refresh
Automatic
setting
refresh
Multiple CPU high
speed refresh
function
LED display
Latch (1)
Latch range
setting
Latch (2)
All clear function
Release of Multiple CPU related
error
Q173DCPU/Q172DCPU
CD-ROM (1 disk)
SW8DNC-SV Q
QnUD(H)CPU
No restriction
Q173DCPU/Q172DCPU only
Settable between CPU modules
Provided
Possible
Multiple CPU high speed transmission area in
CPU shared memory
32 range possible
Provided
7-segment LED display
It is possible to clear with latch clear(1) and latch
clear (1)(2) of remote latch clear.
It is possible to clear with lath clear(1)(2) of
remote latch clear.
Execute with installation mode
Turn off M2039.
APP - 27
Q173HCPU/Q172HCPU
FD (2 disks)
SW6RN-SV Q
Qn(H)CPU
Install Motion CPU module on the right-hand side
of PLC CPU module.
Combination with
Q173CPUN(-T)/Q172CPUN(-T).
Not settable between CPU modules
None
Impossible
Automatic refresh area in CPU shared memory
4 range possible
None
Each LED of MODE, RUN, ERR, M.RUN, BAT
and BOOT
Range which can be cleared with the latch clear
key.
Range which cannot be cleared with the latch
clear key.
Turn off the PLC ready flag (M2000) and test
mode ON flag (M9075) to execute all clear.
Store the error code to be released in the special
register D9060 and turn off to on the special relay
M9060.
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