Connection With Plc - Mitsubishi Electric MELSEC-F FX3U-CAN User Manual

FX -CAN User's Manual
3U
1.3.3

Connection with PLC

The FX -CAN connects with a PLC via an extension cable.
3U
The FX -CAN is handled as a special extension block of the PLC. The unit number of the FX
3U
automatically assigned No. 0 to No. 7
unit/CPU Module.
(This unit number is used for the designation of a FROM/TO instruction.)
For further information of the assignment of the I/O number and unit number of the PLC, refer to the following
manual corresponding to the connected PLC.
*1. Unit No. 1 to No. 7 is assigned when the main unit is an FX
*2. Unit No. 2 to No. 16 is assigned when the CPU module is an FX5U/FX5UC.
FX /FX /FX5U PLC
3G 3U
FX /FX / FX
3GC 3UC
FX5UC PLC CAN
FX -CNV-IF
2NC
• An FX -CNV-IF or FX
2NC
• An FX5-CNV-BUS or FX5-CNV-BUSC is necessary to connect the FX
• The optional FX
(FX /FX
3G 3GC
• The optional FX5-65EC (FX5-30EC) and FX5-CNV-BC are necessary to lengthen the extension cable.
(FX5U/FX5UC PLC)
• The number of I/O points occupied by the FX
(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 further information of the maximum number of I/O points of the PLC, refer to the respective product manual.
22
*1*2
Other
extension
units/blocks
Other
-
3U
extension
units/blocks
-1PS-5V is necessary to connect the FX
3UC
-65EC (FX -30EC) and FX
0N 0N
/FX /FX PLC)
3U 3UC
starting from the special function unit/block closest to the PLC main
3UC
→ Refer to MELSEC iQ-F FX5U User's Manual (Hardware)
→ Refer to MELSEC iQ-F FX5UC User's Manual (Hardware)
FX -
3U
CAN
-CNV-BC are necessary to lengthen the extension cable.
2N
-CAN is eight. Make sure that the total number of I/O points
3U
→ Refer to MELSEC iQ-F FX5U User's Manual (Hardware)
→ Refer to MELSEC iQ-F FX5UC User's Manual (Hardware)
1.3 System Configuration
-32MT-LT(-2).
→ Refer to FX
Hardware Edition
3G
→ Refer to FX
Hardware Edition
3GC
→ Refer to FX
Hardware Edition
3U
→ Refer to FX
Hardware Edition
3UC
-CAN to an FX /FX
3U 3GC
-CAN to an FX5U/FX5UC PLC.
3U
→ Refer to FX
Hardware Edition
3G
→ Refer to FX
Hardware Edition
3GC
→ Refer to FX
Hardware Edition
3U
→ Refer to FX
Hardware Edition
3UC
1 Introduction
-CAN is
3U
PLC.
3UC