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1. SPECIFICATIONS OF MOTION SYSTEM COMPONENTS
1
−
11
1.5 Specifications and Settings of Components
1.5.1 A173UHCPU/A172SHCPUN/A171SHCPUN
(1) Basic specifications of A173UHCPU, A172SHCPUN and A171SHCPUN
Item A173UHCPU(-S1) A172SHCPUN A171SHCPUN
No. of control axes 32-axes 8-axes 4-axes
SV13
3.5 ms/1 to 20 axes
7.1 ms/21 to 32 axes
Motion
Computing
frequency
SV22
3.5 ms/1 to 12 axes
7.1 ms/13 to 24 axes
14.2 ms/25 to 32 axes
3.5 ms/1 to 8 axes 3.5 ms/1 to 4 axes
Sequencer CPU Equivalent to A3UCPU
Equivalent to
reinforced I/O
memory of
A2SHCPU
Equivalent to
A2SHCPU
Direct
method
0.25 to 1.9 s/step
Processing speed
(
s) (Sequence
instruction)
Refresh
method
0.15
s/step 0.25 s/step
No. of I/O points 8192 points 2048 points
No. of real I/O points *
1
2048 points 1024 points 512 points
Standard
192k bytes (Equivalent to
A3NMCA-24)
Memory capacity (built-in RAM)
-S1
768k bytes (Equivalent to
A3AMCA-96)
192k bytes
(Equivalent to
A3NMCA-24)
64k bytes
(Equivalent to
A3NMCA-8)
Program capacity
(Main sequence)
Max. 30k steps Max. 30k steps Max. 14k steps
No. of file register (R) Max. 8192 registers
Standard Max. 10 blocksNo. of extension file register
block *
2
-S1 Max. 46 blocks
Max. 10 blocks Max. 2 blocks
PC
No. of sequencer extension
base units
Max. one
Pulser synchronous encoder
interface unit
A172SENC
4
(Corresponding to external signal input
32-axes)
A172SENC 1
(Corresponding to external signal input
8-axes)
No. of SSCNET I/F 4CH.
2CH.
SSCNET1..... For connection of servo
amplifier
SSCNET2..... For personal computer link
dedicated
A30TU-E
System
configuration
Teaching unit (OS
with teaching
function)
A31TU-E
(With dead-man switch)
Sequence program, parameter
Servo program
Mechanism program (SV22)
Parameter
After starting A173UHCPU and reading
a file, those created by A273UHCPU
(32-axes) can be used as it is.
After starting A172SH/A171SH and
reading a file, those created by
A171SCPU can be used as it is.
Compatibility
System setting Must be set anew.
By making sure of system setting screen
after being started up by A172SH/A171SH
and reading a file, changeover below is
carried out:
A171SCPU
A172SH/A171SHCPUN
A171SENC
A172SENC
now the system is ready for operation.
Outside dimensions 130 113.3 93.6 (5.12 4.46 3.69) unit
=
mm (inch)
Weight (kg (lb)) 0.85 (1.87)
*1 The real I/O points can be used within the range of one extension base.
*2 No. of extension file register blocks varies depending on the setting of program capacity, No. of file
registers, and No. of comments.