LC700- Manual de instalação
4.7
Incomming
ac
L1
L2
L3
Disc
1FU
2FU
3FU
H1
Suppressor
H1
FUSE
L1
L2
L3
To Motor
Starters
X1
X2
Grounded Conductor
Step-down
Transformer
Step-down
Transformer
L
N
Suppressor
User dc
Supply
BTA
BTC
Input
Sensor
Output Module
Wiring Arm
Input
Module
Wiring
Arm
Output Actuator
To dc I/O
actuators/
sensors
Enclosure
Wall
Equipment
Grounding
Conductors
8 AWG
Minimum
Suppressor is needed
across the line at the
load side
PS-AC-R
LC700
Grounding-electrod
System
Figure 4.5 – Grounded AC Energy Distribution System
NOTE
To minimize the EMI generation, you need to connect a suppressor in parallel with the inductive
load. Contact the motor’s manufacturer to verify which the transient suppressor is
recommended.
In many applications, a second transformer provides energy to the input circuits and to the
power supplies, for the output circuits’ isolation.
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