1
VC-4AD Analog Input Module User's Manual
Thank you for purchasing the VC-4AD analog input module developed and manufactured by Suzhou VEICHI Electric
Technology Co. Before using our VC series PLC products, please read this manual carefully, so that you can grasp the
characteristics of the product more clearly and install and use it correctly. You can make full use of the rich functions of this
product for safer application.
Tip
：
Before starting to use, please read the operation instructions, precautions carefully to reduce the occurrence of accidents.
Personnel responsible for the installation and operation of the product must be strictly trained to comply with the safety codes of
the relevant industry, strictly observe the relevant equipment precautions and special safety instructions provided in this manual,
and perform all operations of the equipment in accordance with the correct operating methods
1 Interface Description
1.1 Interface Description
The VC-4AD has a cover for both the expansion interface and the user terminal, and the appearance is shown in Figure 1-1
.
RUN
ERR
VC-4AD
VEICHI
24
V
V
1
+
I1
+
VI
1
-
PG
C
O
M
Sl iding clips
DIN sl ot cl ips
Product
Tags
Ex te nd ed
ma le pl u g
Ex te ns io n fe mal e soc ke t
St atus Indicator
Wiri ng termi nals
Termi nal cover
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
V
2
+
I2
+
VI
2
-
V
3
+
I3
+
VI
3
-
V
4
+
I4
+
VI
4
-
Figure 1-1 Appearance of the module interface
1.2 Model description
VC- 4 AD
AD (Analog Inp ut Module)
Num ber of analog channe ls (4-channe l
input in the e xample )
VC:VEICHI P rogrammable c on troller
Figure 1-2 Illustrative diagram of the product model
