WP8024ADAM User’s Manual V1.42
1
、
Product description
8ch
optoelectronic isolation digital input and 4ch relay output (SPST).
Using RS485 MODBUS RTU communication standard. It can be netted with configuration software, PLC and industry
touch pad
Communication, input and output status LED
Communication circuit designed for lightening protection and interference immunity
Could be used for signal collection and control of Industrial field apparatus
3 Year’s quality assurance for normal use
2
、
Specification
Digital input 8ch
(low level is valid)
Relay output 4ch (SPST)
Relay contact capacity 2A/250VAC 2A/30VDC
Working Temperature -20
～
70
℃
External power supply DC 9V
～
30V/2W
Isolation protect 1500VDC
Installation method Standard DIN slide rail or screw
Dimension 125×73×35mm
3
、
Interface definition
AVcc
External PSU positive terminal input
AGnd
External PSU negative terminal input
RY1A
Normally open contact A of the relay output in 1
st
way
RY1B
Normally open contact B of the relay output in 1
st
way
RY2A
Normally open contact A of the relay output in 2
nd
way
RY2B
Normally open contact B of the relay output in 2
nd
way
RY3A
Normally open contact A of the relay output in 3
rd
way
RY3B
Normally open contact B of the relay output in 3
rd
way
RY4A
Normally open contact A of the relay output in 4
th
way
RY4B
Normally open contact B of the relay output in 4
th
way
DI_01
1
st
way digital input
DI_02
2
nd
way digital input
DI_03
3
rd
way digital input
DI_04
4
th
way digital input
DI_05
5
th
way digital input
DI_06
6
th
way digital input
DI_07
7
th
way digital input
DI_08
8
th
way digital input
485A
RS485 signal A+
485B
RS485 signal B-
4
、
Digital application diagram
4.1
、
Digital input
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