Special Function Unit/Block - Mitsubishi MELSEC-F FX3U Series User Manual

FX /FX Series PLC User's Manual - Positioning Control Edition
3U 3UC
Common Items
Cautions when connecting special adapters
• To use high-speed input/output special adapters only (not to use the other special adapters), it is not
necessary to connect the expansion board.
• To use the analog communication special adapters, be sure to connect the expansion board.
• To use high-speed input/output special adapters together with the analog communication special adapters,
connect high-speed output special adapters to the expansion board (already connected to the FX
first, and then connect the analog special adapters and the communication special adapter.
Analog special adapter
Communication special adapter
1.2.4

Special Function Unit/Block

Connect special function unit/block to the FX
special function unit can individually control the positioning operation.
1. System configuration for FX
Up to 8 special function units/blocks can be connected to the FX
FX PLC
3U
2. System configuration for FX
Up to 7 special function units/blocks can be connected to the FX
FX -CNV-IF or FX
2NC
FX PLC
3UC
A - 6
High-speed output
special adapter
3U
PLC
3U
Special function block
Special function unit
No.0
Up to 8 units
→ For details on system configuration, refer to the FX
PLC
3UC
-1PS-5V is needed to connect special function units/blocks.
3UC
FX -1PS-5V
3UC
or
FX -CNV-IF
2NC
→ For details on system configuration, refer to the FX
1.2 Introduction of Products Needed for Positioning
Expansion board
RDA
RD
RDB
SDA
SD SDB
SG
/FX PLC to control the positioning operation. Note that
3UC
PLC.
3U
Servo motor
(Servo amplifier)
POWE
R E RRO
R
ST AR
T DO
PG
G
X O F
FX -10PG 0 X P
R
2N 1
f A CL P
f B R
to No.7
PLC.
3UC
Special function block
Special function unit
POWER
ERROR
ST ART
DOG
PGO
X0
FP
FX -10PG X1
2N RP
f A
CLR
f B
No.1 to No.7
Up to 7 units
1 Introduction
3U
FX PLC
3U
Hardware Edition.
3U
Servo motor
(Servo amplifier)
Hardware Edition.
3UC
PLC)