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A-6
2 Description of Analog Products
2.1 Types of Analog Products
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
Common Items
2.1 Types of Analog Products
2.1.2 Special adapter
The analog special adapter uses PLC devices to send/receive data to/from the PLC.
1. FX3U Series PLC
• Connect the special adapter(s) to the left side of the FX3U Series PLC.
• An expansion board is needed to connect the special adapter(s).
• Up to 4 analog special adapters can be connected.
• When using the high-speed input/output special adapter(s), be sure to connect the high-speed input/output
special adapter(s) first, and then connect the analog special adapter(s).
→ For a detailed description of the system configuration, refer to the PLC User’s Manual - Hardware
Edition.
2. FX3UC (D, DSS) Series PLC
• Connect the special adapter(s) to the left side of the FX3UC (D, DSS) Series PLC.
• Up to 4 analog special adapters can be connected.
→ For a detailed description of the system configuration, refer to the PLC User’s Manual - Hardware
Edition.
PO ER
FX
3U
-4AD-ADP
WPOWER
FX
3U
-4AD-ADP
POWER
FX
3U
-4AD-ADP
POWER
FX
3U
-4AD-ADP
RD
RDA
RDB
SDA
SDB
SG
SD
FX
3U
-***-BD
Up to 4 Analog adapters can be connected.
PLC
"***" represents "422", "232",
"485", "CNV", or "USB."
Analog special adapters
Expansion board
High-speed
input/output
special adapters
PO ER
FX
3U
-4AD-ADP
WPOWER
FX
3U
-4AD-ADP
POWER
FX
3U
-4AD-ADP
POWER
FX
3U
-4AD-ADP
Up to 4 Analog adapters can be connected.
PLC
Analog special adapters