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

FX /FX Series PLC User's Manual - Analog Control Edition
3U 3UC
Common Items
2.1.2

Special function block

The special function block uses the buffer memory (BFM) to send/receive data to/from the PLC.
1. FX Series PLC
3U
• Connect the special function block(s) to the right side of the FX
• Up to 8 special function blocks can be connected.
→ For a detailed description of system configuration, refer to the User's Manual - Hardware Edition of
2. FX Series PLC
3UC
• Connect the special function block(s) to the right side of the FX
• In some cases, FX
• Up to 7 special function blocks can be connected.
FX
3UC
Series PLC
Select either FX
3UC
→ For a detailed description of system configuration, refer to the User's Manual - Hardware Edition of
FX Series PLC
3U
Up to 8 special function units/blocks can be
connected (excluding the special adapters).
-CNV-IF or FX -1PS-5V may be needed for connection.
2NC 3UC
Analog special function block
for FX and FX
3UC 2NC
Up to 7 special function units/blocks can be
connected (excluding the special adapters).
-1PS-5V or FX -CNV-IF considering the current consumption of the components.
2NC
Series PLC.
3U
Analog special function block
for FX and FX
2N
V1+ I 1 + V3+ I3+
COM1 COM3
2 4 + 2 4 - V2+ I2+ COM2 V4+ I4+ C O M 4
FX -8AD
2N
POWER
24V
V6+ I 6 + C O M 6 V8+ I8+ COM8
V5+ I5+ COM5 V7+ I7+ COM7
Series PLC.
3UC
FX -1PS-5V
3UC
block for FX
or
FX -CNV-IF
2NC
2 Description of Analog Products
2.1 Various Types of Analog Products
0N
the PLC.
Analog special function
and FX
2N 0N
V1+ I 1 + COM1 V3+ I3+ COM3
2 4 + 2 4 - V2+ I2+ V4+ I4+
COM2 C O M 4
FX -8AD
2N
POWER
24V
V6+ I 6 + C O M 6 V8+ I8+ COM8
V5+ I5+ COM5 V7+ I7+ COM7
the PLC.
A
B
C
D
E
F
G
A-5