Delta AH Series Hardware Manual

Chapter 4 Installation and Wiring
4-19
4
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24 V DC
DC
powe r
supply
AHPS15-5A
AC power supply
100-240 V
Isolating transformer
I/O equipment
Another piece of equipment
(2) The 110 VAC cable, the 220 VAC cable, and the 24 VDC cable should be twisted, and connected to a module
within a short distance.
(3) Do not bundle 110 VAC cable, the 220 VAC cable, the 24 VDC cable, the (high-voltage high-current) main circuit,
and the I/O signal cable together. Besides, it is recommended that the distance between adjacent cables should
be more than 100 millimeters.
(4) To prevent the surge resulting from lightning, please install a surge absorber in the way shown below.
DC pow er s uppl y
I/O equipment
Another piece of equipment
AC power supply
100-240V
Surge absorber
Points for attention:
1. The surge absorber and the PLC system should be grounded separately.
2. Please select the surge absorber whose working voltage is not less than the maximum allowable input voltage.
4.5.2 Ground
 The diameter of the ground should not be less than the
diameters of the cables connected to the terminals L and N.
 If much equipment is used, please use single-point ground.
AHPS05-5A
AHPS15-5A
Another piece of
equipment
The single-point ground is better.
 If single-point ground can not be used, please use
common-point ground.
The common-point ground is permitted.
AHPS05-5A
AHPS15-5A
Another piece of
equipment
 you can not ground equipment in the way shown on
the right.
The equipment can not be grounded in this way.
AHPS05-5A
AHPS15-5A
Another piece of
equipment

Delta AH Series Specifications

General

Brand	Delta
Model	AH Series
Category	Controller
Language	English