Differences Between A172Shcpun/A171Shcpun And A171S(S3) - Mitsubishi Electric SV13/22 Programming Manual

2. PERFORMANCE SPECIFICATIONS
2.3

Differences between A172SHCPUN/A171SHCPUN and A171S(S3)

Number of control axes
Computing frequency
PLC CPU
Processing speed (µs)
(Sequence instruction)
No. of I/O
No. of actual I/O
Memory capacity (built-in RAM)
Program capacity (main sequence)
No. of file register (R)
No. of expansion file register blocks
MELSECNET/J
Number of PLC extension base unit
Manual pulse generator synchronous encoder
interface module
No. of SSCNET I/F
No. of available A271DVP
Teaching unit
(OS with teaching function)
Sequence program, parameter
Servo program
Mechanical system program (SV22)
Parameter
System setting
Support of high-resolution encoder
(32768PLS/131072PLS)
A torque limit value can be
changed from a sequence
program (GHGT instruction
addition).
Retracing during positioning
(Note): No. of expansion file register blocks varies depending on the setting of program capacity, No. of file registers, and No. of comments.
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Item
Direct method
Refresh method
(Note)
A30TU-E
A31TU-E
Real Mode
search engine
A172SHCPUN
8 axes
3.5ms/1 to 8 axes 3.5ms/1 to 4 axes
Equivalent to reinforced
I/O memory of Equivalent to A2SHCPU
A2SHCPU
0.25 to 1.9 µ s/step
0.25 µ s/step
2048 I/O
1024 I/O
192 kbytes (Equivalent to 64 kbytes (Equivalent to
A3NMCA24)
Max. 30 k step
Max. 8192 points
Max. 7 blocks
! (Supported by special commands)
Max. one
A172SENC
(Corresponding to external signal input 8-axes)
2CH.
SSCNET1 ......... For connection of servo amplifier
SSCNET2 ......... For personal computer link
dedicated
Unavailable
!
! (with deadman switch)
After starting A172SH/A171SH and reading a file,
those created by A171SCPU can be used as it is.
By making sure of system setting screen after being
started up by A172SH/A171SH and reading a file,
changeover below is carried out: now the system is
ready for operation.
A171SCPU → A172SH/A171SHCPUN
A171SENC → A172SENC
!
!
!
2 − 5
A171SHCPUN A171SCPU(S3)
4 axes 4 axes
3.5 ms/1 to 3 axes
SV13
7.1 ms/4 axes
Equivalent to A1SCPU
1.0 to 2.3 µ s/step
1.0 µ s/step
512 I/O 256 I/O
32 kbytes
A3NMCA8)
Max. 14 k step Max. 8 k step
Max. 4096 points
Max. 3 blocks
! (By means of
FROM/TO commands)
Max. one
A171SENC
(Corresponding to exter-
nal signal input 4-axes)
A171S
A171S-S3 : 2CH.
(as given to the left)
Max. two

None
: 1CH.
!
×
×
×
×