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1 Outline
1.1 Outline of Functions
FX
3G
/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
3U/FX3UC/FX3G Series PLC.
1) Up to 4 3A-ADP units can be connected to the FX
3U/FX3UC Series PLC.
Up to 2
*1
3A-ADP units can be connected to the FX3G Series PLC.
(including the other 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
3U/
FX
3UC/FX3G Series PLC.
4) D/A conversion results will be automatically output as the values to the special data register of the FX
3U/
FX
3UC/FX3G 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
……
For a detailed description
of special devices, refer to
Chapter 4.
For a detailed description
of a basic program, refer to
Section 4.12.
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.
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 other 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
3U
/FX
3UC
Series PLC
FX
3U
/FX
3UC
Series PLC : 4 maximum
FX
3G
Series PLC : 2 maximum
*1
/FX
3G
For FX
3U
/FX
3UC
Series PLC
*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
3UC
(D, DSS) PLC.
For the FX
3G
Series PLC a connector conversion adapter is used.
Analog data
Flowmeter,
pressure sensor, etc
Inverter, etc.