Delta AH Series User Manual

Chapter 2 Hardware Setup
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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.
AC power supply
100-240V
AHPS05-5A
I/O equipment
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.
 Connecting DC power cables
1. AHPS15-5A is independently supplied with power by a DC power supply. Please separate the power cable of the
DC power supply from the power cables for I/O devices and other devices. If there is much noise, connect an
isolating transformer.
24 V DC
DC
power
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 power supply
I/O equipment
Another piece of equipment
AC power supply
100-240V
Surge absorber

Delta AH Series Specifications

General

Brand	Delta
Model	AH Series
Category	Controller
Language	English