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1 OVERVIEW
1.2.4 Differences between Q173CPU(N)/Q172CPU(N) and A173UHCPU/A172SHCPUN
(1) Differences between Q173CPU(N)/Q172CPU(N) and
A173UHCPU/A172SHCPUN
Item Q173CPU(N) Q172CPU(N) A173UHCPU A172SHCPUN
Number of control axes Up to 32 axes Up to 8 axes Up to 32 axes Up to 8 axes
SV13
0.88ms/1 to 8 axes
1.77ms/9 to 16 axes
3.55ms/17 to 32 axes
(Default)
(It can be set up by
the parameters.)
0.88ms/1 to 8 axes
(Default)
(It can be set up by
the parameters.)
3.55ms/1 to 20 axes
7.11ms/21 to 32 axes
3.55ms/1 to 8 axes
Operation cycle
SV22
0.88ms/1 to 4 axes
1.77ms/5 to 12 axes
3.55ms/13 to 24 axes
7.11ms/25 to 32 axes
(Default)
(It can be set up by
the parameters.)
0.88ms/1 to 4 axes
1.77ms/5 to 8 axes
(Default)
(It can be set up by
the parameters.)
3.55ms/1 to 12 axes
7.11ms/13 to 24 axes
14.2ms/25 to 32 axes
3.55 ms/1 to 8 axes
Servo program capacity 14k steps 13k steps
Number of positioning points 3200 points/axis (Positioning data can be designated indirectly.)
Programming tool IBM PC/AT, A31TU-D PC9800 series, IBM PC/AT, A30TU, A31TU
Peripheral devices I/F USB/RS-232/SSCNET RS-422/SSCNET
Home position return function
Proximity dog type(2 types), Count type(3 types),
Data set type(2 types), Dog cradle type,
Stopper type(2 types), Limit switch conbined type
(Home position return retry function provided,
Home position shift function provided)
Proximity dog type, count type,
data set type 1
Manual pulse generator operation
function
Possible to connect 3 modules
Syncronous encoder operation
function
Possible to connect
12 modules
Possible to connect
8 modules
Possible to connect
4 modules
Possible to connect
1 module
Limit switch output function Output points : 32points, watch data : motion control data/word device
Number of SSCNET Interfaces
(Included SSCNET interface 1CH to
the parsonal computer)
5CH
(Note-1)
2CH 4CH 2CH
Number of motion slots
Up to 64 slots
(Up to 7 extension bases of the Q series)
8 slots 2 slots
Motion control
Number of Motion related modules
Q172LX : 4 modules
Q172EX : 6 modules
Q173PX : 4 modules
(Note-2)
Q172LX : 1 module
Q172EX : 4 modules
Q173PX : 3 modules
(Note-2)
A172SENC : 4 modules A172SENC : 1 module
Normal task Executed in motion main cycle
Fixed
cycle
Executed in fixed cycle
(0.88ms, 1.77ms, 3.55ms, 7.11ms, 14.2ms)
Executed in fixed cycle
(1.77ms, 3.55ms, 7.11ms, 14.2ms)
External
interrupt
Executed when input on is set among interrupt
module(QI60) 16 points.
Executed when input on is set among
interrupt module(A1SI61) 16 points.
Event task
(Execution
can be
masked.)
PLC
interrupt
Executed with interrupt instruction (GINT) from
PLC CPU.
Executed when 1 interrupt point is provided
from PLC CPU.
Execute specification
Excuted
task
NMI task
Executed when input on is set among interrupt
module(QI60) 16 points.
Executed when input on is set among
interrupt module(A1SI61) 16 points.
Number of I/O (X/Y) points 8192 points 2048 points
Motion SFC
Number of real I/O (PX/PY) points Total 256 points