Mitsubishi FX2N-10GM - Page 22

FX Series Positioning Controllers Introduction 1
1-10
I/O assignment
When independently using the FX
2N
-20GM:
In addition to 16 I/O points (8 input points and 8 output points) built in to the FX
2N
-20GM, up to
48 I/O points can be added. (Accordingly, up to 64 points in total are available.) Extended inputs
and extended outputs are separately assigned from the one nearest to the FX
2N
-20GM unit.
When connecting the FX
2N
-20GM to the PLC main unit:
FX
2N
-20GM units are treated as special units of the PLC. From the one nearest to the PLC, the
special unit Nos. 0 to 7 are automatically assigned to the connected special units. (This special
unit No. is used the by FROM/TO instructions.)
Separate from I/O points in the PLC, general-purpose I/O points in the FX
2N
-20GM are con-
trolled as I/O points in the FX
2N
-20GM. (One PLC occupies eight I/O points.)
For the details of assignment of I/O points in the PLC, refer to the FX
2N
/
2NC
Series Hardware
manuals.
I/O extension connector:
The FX
2N
-20GM can be connected to an FX
2NC
Series extension block (excluding the relay
output type) to extend general-purpose I/O points.
(Or the FX
2N
-20GM can be connected to an FX
2N
Series extension block of transistor or TRIAC
output type via the FX
2NC
-CNV-IF to extend general-purpose I/O points. The number of exten-
sion points should be up to 48. The simultaneous ON ratio should be 50% or less.)
Remove the extension connector cover from the right side of the FX
2N
-20GM. Pull up hooks,
and fit claws on an extension block into mounting hole in the FX
2N
-20GM for connection. Then,
pull down the hooks to fix the extension block. Connect an extension block to another exten-
sion block in the same way.
Extension block
FX
2N
-20GM
Hook
Hook