Base Units And Extension Cables - Mitsubishi Electric A173UHCPU User Manual

1. SPECIFICATIONS OF MOTION SYSTEM COMPONENTS

1.5.3 Base Units and Extension Cables

POINT
Configure a system by choosing the motion modules and MELSEC-A series I/O modules so that the sum
of 5VDC consumed currents of the motion modules, MELSEC-A series I/O modules, synchronous
encoders and manual pulse generators connected to the main base unit is within 5 (A) for the
A172SHCPUN or 3 (A) for the A171SHCPUN.
(1) Performance specifications
(a) Base unit specifications
1) Main base unit specifications
Table 1.6 Table of Main Base Unit Specifications
Model Name
Item
No. of motion slots
No. of sequencer slots
Extension connections
Mounting hole size
External dimensions mm(inch)
Weight kg (lb)
Accessories
2) Extension base unit specifications
Table 1.7 Table of Extension Base Unit Specifications
Model Name
Item
Max. I/O modules mountable
Power supply module
Connectivity of second/ subsequ-
ent stage of extension base unit
Mounting hole size
External dimensions mm(inch)
Weight kg (lb)
Accessories
(b) Specifications of extension cable
The specifications for extension cables which can be used with the motion
system are shown in Table 1.8.
Table 1.8 Table of Extension Cable Specifications
Model Name
Item
Cable length m (inch)
Resistance of 5 VDC supply line
at 55 C )
(
Application
Weight kg (lb)
A172B A175B
1
1
6 dia. slot (for M5 screw)
220 130 28 325 130 28
(8.67 5.12 (12.8 5.12
1.1) 1.1)
0.51 (1.12) 0.75 (1.66)
Mounting screws M5 25 4 pcs
A1S65B
5 modules
Second/subsequent
stage unconnectable
6 dia. slot (for M5 screw)
315 130 28
(12.4 5.12 1.1)
0.71 (1.56)
Mounting screws M5 25 4 pcs
A1SC01B A1SC03B
0.055 (2.17) 0.33 (12.99)
0.22 0.021
Connecting main base unit to extension base unit
0.025 (0.06) 0.10 (0.22)
1 − 28
A178B A178B
A178B
-S1
1 1 2
4 7 6
OK
430 130 28
(10.93 5.12 1.1)
0.97 (2.14)
A1S68B
8 modules
Must be mounted
Only GOT
connectable
420 130 28 420 130 28
(16.55 5.12 1.1) (16.55 5.12 1.1)
0.95 (2.09) 0.95 (2.09)
A1SC12B
1.2 (47.24)
0.055
0.20 (0.44)
A178B
-S2 -S3
4 8
4 0
A168B
A1SC30B
3.0 (118.11)
0.121
0.4 (0.48)