System Configuration Overview - Mitsubishi Q2ACPU User Manual

3. SYSTEM CONFIGURATION
3.2

System Configuration Overview

System configuration
* An example when the 16-point module is installed to each slot is shown.
Maximum number of
extension stages
Maximum number of I/O
modules
Maximum number of I/O
points
Main base unit model
name
Extension base unit
model name
Extension cable model
name
(1)
(2)
Precautions
(3)
(4)
(1)
(2)
I/O number assignment
(3)
(4)
(5)
(a) Q2ACPU system
It is not possible to connect an extension base unit to an A32B main base unit. For an extension base, use A32B-S1.
When using the extension base unit A52B, A55B, A58B, 5VDC is supplied from the power supply module of the main
base unit. Before use, refer to Section 17.3 and examine if it can be used.
The overall distance of the extension cable must be 6.6m (21.65ft.) or shorter.
When using the extension cable, do not tie it with the main circuit cables, which has high voltage, large current, or install
them close to each other.
I/O numbers are allocated in accordance with the order of the numbers set for the extension base stages, regardless of
the order in which the extension cables are connected.
Assign I/O numbers as if both main base unit and extension base unit have 8 slots each.
Consequently, allocations of 16 points per slot are made for the parts of the system configuration drawing indicated with
dotted lines.
16 points are assigned to an empty slot.
Extension stage numbers do not need to be sequential, but any extension stage omitted from the system will occupy 8
(slots) 16 I/O points.
With regard to items (2) to (4) above, the I/O allocations can be changed by setting I/O allocations in the
parameters.(Refer to Section 5.3)
3rd extension stage
32 modules
512 points
A32B, A32B-S1, A35B, A38B, A38HB, A38HBEU
A62B, A65B, A68B, A52B, A55B, A58B
AC06B, AC12B, AC30B
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