General Specifications FP2 Multi-wire Link Unit
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1.3 Restrictions When Combinations Are Used
1.3 Restrictions When Combinations Are Used
1.3.1 Restrictions on the CPU
Using the FP2 Multi-wire link unit requires CPU Ver. 1.05 or a subsequent version.
Confirm the version on the side panel seal on the CPU, or on the [STATUS DISPLAY]
in the [MONITOR] menu of the NPST-GR.
1.3.2 Restrictions on the Installation Position
Mode used Installation position
W/W2 mode
In the W and W2 modes, the FP2 Multi-wire link unit can be installed only on
the basic backplane. It cannot be installed on an expansion backplane.
In order to boost reliability, the FP2 Multi-wire link unit should be installed as
close to the CPU as possible.
C
P
U
M
W
I/O
I/O
Power
M
W
I/O I/O
I/O
Power
Basic
backplane
Expansion backplane
F mode
In the F mode, the FP2 Multi-wire link unit can be installed either on the basic
backplane or on an expansion backplane.
When the FP2 Multi-wire link unit is used in the F mode, there are no
particular restrictions on the installation position.
C
P
U
M
W
I/O I/O
M
W
I/O I/OI/O
Power
Power
Basic
backplane
Expansion backplane