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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.
1.2 Model description
VC- 4 AD
Terminal cover
Status Indicator
Exte ns ion fe mal e soc ke t
Exte nded
ma le pl ug
Product
Tags
Sliding clips
DIN slot clips
Figure 1-1 Appearance of the module interface
Figure 1-2 Illustrative diagram of the product model
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VEICHI
RUN
Wiri ng termi nals
ERR
VC-4AD
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AD (Analog Inp ut Module)
Num ber of analog channe ls (4-channe l
input in the e xample )
VC:VEICHI Programmable c on troller
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Related Manuals for Veichi Electric VC-4AD
Summary of Contents for Veichi Electric VC-4AD
- Page 1 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. Terminal cover Status Indicator...
- Page 2 1.4 Access systems The expansion interface allows the VC-4AD to be connected to a main module of the VC series PLC or to other expansion modules. The expansion interface can also be used to connect other expansion modules of the same or different models of the VC series.
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Page 3: Wiring Instructions
24V- ⑥ ⑦ VC-4AD Figure 1-5 Diagram of user terminal wiring The diagrams ① to ⑦ indicate the seven aspects that must be taken into account when wiring. 1. It is recommended that the analogue input is connected via a twisted shielded cable. The cable should be routed away from power cables or other wires that may cause electrical interference. -
Page 4: Performance Indicators
3 Characteristic settings The input channel characteristics of the VC-4AD are the linear relationship between the channel analogue input quantity A and the channel digital output quantity D, which can be set by the user. Each channel can be understood as the model shown in... -
Page 5: Programming Examples
If you change the value of D0 and D1 of the channel, you can change the channel characteristics, D0 and D1 can be set anywhere between -10000 and +10000, if the set value is out of this range, VC-4AD will not receive and keep the original valid setting, Figure 3-3 shows the example of characteristics change, please refer to it. - Page 6 4-2 Basic application channel one setup 3）Click on "▼" to configure the second channel mode 4-3 Basic Application Channel 2 Setup 4）Click on "▼" to configure the third channel mode and click on "Confirm" when finished. 4-4 Basic application channel three setup...
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Page 7: Installation
2. Check that the VC-4AD expansion connector is reliably plugged into the expansion connector. 3. Check that the 5V and 24V power supplies are not overloaded. Note: The power supply for the digital part of the VC-4AD comes from the main module and is supplied via the expansion interface. -
Page 8: Information For Users
Off: 24Vdc power supply is normal. ●Check the status of the "RUN" indicator blinking: the VC-4AD is operating normally. Information for users 1. The scope of the warranty refers to the programmable controller body. 2. The warranty period is eighteen months. If the product fails or is damaged during the warranty period under normal use, we will repair it free of charge.