Mitsubishi Electric MELSEC-F Series - Applicable PLC; Connection with PLC

3 System Configuration
3.2 Applicable PLC
20
FX3U-1PG User's Manual
3.2 Applicable PLC
The version number can be checked by reading the last three digits of device D8001/D8101.
*1. An FX
2NC-CNV-IF or FX3UC-1PS-5V is necessary to connect the FX3U-1PG with the FX3UC PLC.
3.3 Connection with PLC
The FX3U-1PG connects to a PLC via an extension cable.
The FX
3U-1PG is handled as a special extension block of the PLC. The unit number of the FX3U-1PG is
automatically assigned No. 0 to No. 7 (Unit No. 1 to No. 7 is assigned when the main unit is an FX
3UC-32MT-
LT(-2).) starting from the special function unit/block closest to the PLC main unit.
(This unit number is used in FROM/TO instructions.)
For details on the assignment of the I/O number and unit number of the PLC, refer to the following manual
corresponding to the connected PLC.
→ Refer to FX
3U Hardware Edition.
→ Refer to FX
3UC Hardware Edition.
•An FX
2NC-CNV-IF or FX3UC-1PS-5V is necessary to connect the FX3U-1PG to the FX3UC PLC.
• For extension, the separately available FX
0N-65EC/FX0N-30EC extension cable and FX2N-CNV-BC are
used. One extension cable can be used per system.
• The number of I/O points occupied by the FX
3U-1PG is eight. Make sure that the total number of I/O points
(occupied I/O points) of the main unit, extension unit(s), extension block(s) and the number of points
occupied by special function blocks does not exceed the maximum number of I/O points of the PLC.
For information on the maximum number of I/O points of the PLC, refer to the respective product manual.
→ Refer to FX
3U Hardware Edition.
→ Refer to FX
3UC Hardware Edition.
Model name Applicability Maximum number of connectable units
FX3U Series PLC Ver. 2.20 and later 8 units
FX3UC Series PLC
*1
Ver. 2.20 and later 6 units
FX3U PLC
FX
3U-1PG
FX
3UC PLC
FX
3U-1PG
FX
2NC-CNV-IF
Other
extension
units/blocks
Other
extension
units/blocks