A3-32
IM 34M06C11-01E
A3.6.5
Connecting Output Devices
Observe the following precautions when connecting the FA-M3 to output devices.
If an inductive load is to be connected to the output block, connect a surge protector or a
diode across the load nearby so that the module output terminal voltage will not exceed
the specified operating load voltage range.
When connecting a diode, connect its cathode to the positive terminal of the power
supply.
L
Diode
COM
OUT
Relay or transistor
output module
L
Surge protector
COM
OUT
Relay or triac
output module
+
FA030611.VSD
Surge protector
FA030612.VSD
0.5 to 1µF, rated voltage or higher,
for 1 A contact current
0.5 to 1
for 1 V contact voltage
Diode
FA030613.VSD
The reverse voltage must be at least three
times the size of the circuit voltage and the
forward current at least twice the size of the
current flowing through the inductive load.
Figure A3.30 Inductive Load Countermeasures for Output Modules
Connection of external power supply
In the module with the output signal, connect the external power supply and the load
power supply with the same switch; turn on-off the power supply at the same time.
When the external power supply and the load power supply are turned on or off
separately, non-intended output may occur.
Summary of Contents for FA-M3V e-RT3 Plus
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Page 21: ...TOC A 1 IM 34M06C11 01E Hardware Manual Part A Standard Version IM 34M06C11 01E 40th Edition ...
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