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1 OVERVIEW
Differences Between Q173CPU(N)/Q172CPU(N) and
A173UHCPU/A172SHCPUN(continued)
Item Q173CPU(N) Q172CPU(N) A173UHCPU A172SHCPUN
Internal relays (M)
Latch relays (L)
Total M+L : 8192 points
Total M+L(S) :
8192 points
Total M+L(S) :
2048 points
Link relays (B) 8192 points 1024 points
Annunciators (F) 2048 points 256 points
Timer contacts (TT) — 2048 points 256 points
Timer coils (TC) — 2048 points 256 points
Counter contacts (CT) — 1024 points 256 points
Counter coils (CC) — 1024 points 256 points
Special relays (M) 256 points
Data registers (D) 8192 points 1024 points
Link registers (W) 8192 points 1024 points
Currnet value timers (T) — 2048 points 256 points
Currnet value counters (C) — 1024 points 256 points
Special registers (D) 256 points
Motion registers (#) 8192 points
Motion SFC
Number of
Devices
(internal
motion
CPU only)
Coasting timer (FT)
1 point (888
µ
s)
Device memory Independence Commonness
Data exchange of PCPU and SCPU
The data exchange method by automatic refresh
between the multiple CPU's.
The direct data exchange method which
made a device memory 2 port memory.
Number of pulses per
revolutions
1 to 2147483647[PLS] 1 to 65535[PLS]
Fixed
parameters
Amount of pulses per
revolutions
In the case of the unit setup [PLS].
1 to 2147483647[PLS]
In the case of the unit setup [PLS].
1 to 65535[PLS]
Magnification —
1 time, 10 times,
100 times, 1000 times
PLC ready flag (M2000)
M2000 turn it on with switch (STOP
RUN),
or M2000 turn it on when both of switch RUN and
setting register is set "1".
M2000 turn on by PLC program
Forced stop input
An optional bit device(PX, M) is specified in the
parameter. (Emergency stop terminals of the
servo amplifiers can be used.)
Emergency stop of the CPU base unit.
(Forced stop terminals of the servo amplifiers
cannot be used.)
Others
Back-up battery for internal memory
Internal rechargeable battery
(Set the external battery (A6BAT/MR-BAT) if
continuous power off time is longer for 1 month or
more.)
(Note-3)
A6BAT/MR-BAT
(Note-1) : Use the Dividing unit (Q173DV) or dividing cable (Q173J2B CBL M/Q173HB CBL M).
(Note-2) : When using the incremental synchronous encoder (SV22 use), you can use above number of modules. When connecting the Manual
pulse generator, you can use only 1 module.
(Note-3) : When adding the external battery (A6BAT/MR-BAT), Q173DV (Q173CPU(N) use.), or Q170BAT (Q172CPU(N) use.) is used.