H-3
1 Outline
1.1 Outline of Functions
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX
3U
-3A-ADP (2-channel Analog Input, 1-channel Analog Output)
A
Common Items
B
FX
3U
-4AD
FX
3UC
-4AD
C
FX
3U
-4AD-ADP
D
FX
3G
-2AD-BD
E
FX
3U
-4DA
F
FX
3U
-4DA-ADP
G
FX
3G
-1DA-BD
H
FX
3U
-3A-ADP
I
FX
3U
-4AD-PT
-ADP
J
FX
3U
-4AD-PTW
-ADP
1. Outline
This chapter outlines the FX3U-3A-ADP (referred to as the 3A-ADP).
1.1 Outline of Functions
The analog special adapter FX3U-3A-ADP receives voltage/current data from 2 channels and outputs voltage/
current data from 1 channel when connected to a FX
3S/FX3G/FX3GC/FX3U/FX3UC Series PLC.
1) Only 1 3A-ADP unit can be connected to the FX
3S Series PLC.
Up to 2
*1
3A-ADP units can be connected to the FX3G/FX3GC Series PLC.
Up to 4 3A-ADP units can be connected to the FX
3U/FX3UC Series PLC.
(including the other analog expansion boards, analog special adapters)
2) The 3A-ADP receives and outputs voltage/current data.
3) A/D conversion data of each channel will be automatically written to the special data register of the FX
3S/
FX
3G/FX3GC/FX3U/FX3UC Series PLC.
4) D/A conversion results will be automatically output as the values to the special data register of the FX
3S/
FX
3G/FX3GC/FX3U/FX3UC Series PLC.
Refer to the system configuration shown in the User's Manual - Hardware Edition to check the number of
connectable units and to configure the entire system.
*1. Only 1 analog special adapter can be connected to the FX
3G Series PLC (14-point and 24-point type).
*2. The expansion board is not required when connecting with the FX
3GC/FX3UC (D, DS, DSS) Series PLC.
For the FX
3S/FX3G Series PLC a connector conversion adapter is used.
*3. FX
3S/FX3G/FX3GC PLCs use the following special devices.
For FX
3S Series PLC For FX3G/FX3GC Series PLC
• 1st adapter: M/D8280 to M/D8289 • 1st adapter: M/D8280 to M/D8289
• 2nd, 3rd and 4th adapters: Cannot be connected • 2nd adapter: M/D8290 to M/D8299
• 3rd and 4th adapters: Cannot be connected
For FX
3S
/FX
3G
/FX
3GC
/
FX
3U
/FX
3UC
Series PLC
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
Series PLC
4th
adapter
Number of connectable
units
For a detailed
description of wiring,
refer to Chapter 3.
To check the connectable
PLC model number, refer
to Section 1.3.
Point and section to be
referred to
System
Special devices
*3
For a detailed description
of special devices, refer to
Chapter 4.
For a detailed description
of a basic program, refer to
Section 4.12.
Transfer direction
Contents
Analog data
Error status
Switching of input mode
Setting of averaging time
Output mode switching
Output setting data
Setting whether or not
a channel is used
including the other analog expansion
boards, analog special adapters
3rd
adapter
2nd
adapter
1st
adapter
1st adapter
M/D8260 to M/D8269
M/D8270 to M/D8279
M/D8280 to M/D8289
M/D8290 to M/D8299
2nd adapter
3rd adapter
4th adapter
++
Expansion board
*2
FX
3S
Series PLC : Only 1
FX
3G
/FX
3GC
Series PLC : 2
*1
maximum
FX
3U
/FX
3UC
Series PLC : 4 maximum
Analog data
Flowmeter,
pressure sensor, etc
Inverter, etc.
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