Mitsubishi Electric A173UHCPU - Page 16

1. GENERAL DESCRIPTION
1 − 2
Differences between A273UHCPU, A173UHCPU(-S1) and A172SHCPUN
Item A173UHCPU(-S1) A172SHCPUN A273UHCPU
Number of control axes 32-axes 8-axes 32-axes
SV
13
3.5ms/1 to 20 axes
7.1ms/21 to 32 axes
SV
13
3.5ms/1 to 12 axes
7.1ms/13 to 24 axes
14.2ms/25 to 32 axes
Operation cycle
SV
22
3.5ms/1 to 12 axes
7.1ms/13 to 24 axes
14.2ms/25 to 32 axes
3.5ms/1 to 8 axes
SV
22
3.5ms/1 to 8 axes
7.1ms/9 to 18 axes
14.2ms/19 to 32 axes
A173UHCPU Max. 64 pcs.
Motion control
Cam data
A173UHCPU
-S1
Max. 256 pcs.
Max. 64 pcs. Max. 256 pcs.
PLC CPU A3UCPU equivalent
A2SHCPU (memory
enhanced) equivalent
A3UCPU equivalent
Direct 0.25 to 1.9
Processing speed (µs/step) 0.15
Refresh 0.25
0.15
Number of real I/O points
2048 points(Range of one
extension base)
1024 points 2048 points
Number of I/O device points 8192 points 2048 points 8192 points
Memory capacity
256k bytes
(for A173UHCPU)
1024k bytes
(for A173UHCPU-S1)
192k bytes
Varies with memory
cassette
Main sequence 30k steps 30k steps 30k steps
Program capacity
Sub sequence 30k steps None 30k steps
Internal relay (M) 8192 points 2048 points 8192 points
Link relay (B) 8192 points 1024 points 8192 points
Timer (T) 2048 points 256 points 2048 points
Data register (D) 8192 points 1024 points 8192 points
Link register (W) 8192 points 1024 points 8192 points
Annunciator (F) 2048 points 256 points 2048 points
Number of device
points
Index register (V, Z) 14 points 2 points 14 points
Sequence control
Number of PLC extension bases 1 base 1 base 7 bases
Number of SSCNET interfaces 4 channels 2 channels 4 channels
Number of motion slots
8 slots
(A178B-S3 use)
2 slots
(A178B-S1 use)
8 slots × up to 4 extension
bases allowed
Pulse generator/synchronous
encoder, external signal input
modules
Four A172SENC modules
usable
One A172SENC module
usable
Four A287EX/A273EX
usable
PBUS I/O module 256 points 256 points 256 points
Manual pulse generator 3 pcs. usable 1 pc. usable 3 pcs. usable
Synchronous encoder (SV22) 4 pcs. usable 1 pc. usable 12 pcs. usable
NMI input 1 point 1 point 3 points
System configuration
High-speed read
PLC input module 8 points 8 points 8 points
Sequence program/parameters
Servo program
Mechanical system program (SV22)
Cam data (SV22P)
Those started on
A173UHCPU and created
on A273UHCPU (32-axes
feature) by file read can be
used as is.
 
System settings
Compatibility
Parameters
Must be set anew.  