Applicable Plc; Connection With Plc - Mitsubishi Electric MELSEC FX Series User Manual

FX -4LC User's Manual
3U
3.2

Applicable PLC

Model name
FX Series PLC
3G
FX Series PLC
3U
*1
FX 3UC Series PLC
The version number can be checked by reading the last three digits of device D8001.
*1. An FX
2NC
*2. Up to 7 units can be connected to the FX
3.3

Connection with PLC

The 4LC connects with a PLC via an extension cable.
The 4LC is handled as a special extension block of the PLC. The unit number of the 4LC is automatically
assigned No.0 to No.7 (Unit No.1 to No.7 is assigned when the main unit is an FX
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 the assignment of the I/O number and unit number of the PLC, refer to the following manual
corresponding to the connected PLC.
FX /FX PLC
3G 3U
Other
extension
FX PLC
3UC
units/blocks
FX -64CCL
3U
FX -CNV-IF
2NC
• An FX -CNV-IF or FX
2NC
• The number of I/O points occupied by the 4LC 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.
Ver. 1.00 and later
(Up to 8 blocks can be connected)
Ver. 2.20 and later
(Up to 8 blocks can be connected)
Ver. 2.20 and later
(Up to 8 blocks can be connected
-CNV-IF or FX -1PS-5V is necessary to connect the 4LC with the FX
3UC
Other
extension
units/blocks
MOTOR-X MOTOR-Y
START START
DOG DOG
INT0 INT0
INT1 INT1
A A
B B
FX -4LC
3U
RUN
ERR.
L RUN
L ERR.
SD
RD
POWER
-1PS-5V is necessary to connect the 4LC with the FX
3UC
Applicability
*2
)
-32MT-LT(-2) PLC.
3UC
→ Refer to FX
FX -4LC
3U
X-READY
Y-READY
X-ERROR
Y-ERROR
POWER
→ Refer to FX
3 System Configuration
3.2 Applicable PLC
PLC.
3UC
-32MT-LT(-2).) starting
3UC
→ Refer to FX
Hardware Edition.
3G
→ Refer to FX
Hardware Edition.
3U
Hardware Edition.
3UC
PLC.
3UC
→ Refer to FX
Hardware Edition.
3G
→ Refer to FX
Hardware Edition.
3U
Hardware Edition.
3UC
1
2
3
4
5
6
7
8
9
10
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