Connection With Plc; Applicable Plc - Mitsubishi FX3U-20SSC-H User Manual

FX -20SSC-H Positioning Block User's Manual
3U
2.2

Connection with PLC

20SSC-H connects with PLC via extension cable.
The 20SSC-H is handled as a special extension block of the PLC. The unit number of the 20SSC-H is
automatically assigned No.0 to No.7 starting from the special function unit/block closest to the PLC main unit.
(This unit number is used for the designation of a FROM/TO instruction.) For details on assignment of the I/O
number and unit number of the PLC, refer to the following manual corresponding to the connected PLC.
FX
3U
FX
3UC
• A maximum of 8 units/blocks can be connected with the FX
units/blocks can be connected.
• An FX -CNV-IF or FX
2NC
• The optional FX
• The number of I/O points occupied by the 20SSC-H is eight. Be sure that the total of the number of I/O
points (occupied I/O points) of the main unit, power extension unit and extension block and the number of
points occupied by the special function block does not exceed the maximum number of I/O points of the
PLC.
For the maximum number of I/O points of the PLC, refer to the following manual.
2.3

Applicable PLC

Model name
FX Series PLC
3U
FX Series PLC
3UC
The version number can be checked by monitoring the last three digits of D8001.
18
-1PS-5V is necessary to connect the 20SSC-H with the FX
3UC
-65EC (FX -30EC) and FX
0N 0N
Ver. 2.20 (from the first product) and later
Up to 8 blocks can be extended
Ver. 2.20 (from products manufactured in May, 2005 with SER No. 55****) and later
Up to 7 blocks can be extended
→ FX
Hardware Edition (Japanese document only)
3
UC
PLC. With the FX
3U
-CNV -BC are necessary to lengthen the extension cable.
2N
→ FX
Hardware Edition (Japanese document only)
3
UC
Applicability
2 System Configuration
2.2 Connection with PLC
→ FX
Hardware Edition
3U
PLC, a maximum of 7
3UC
PLC.
3UC
→ FX
Hardware Edition
3U