- Description
- Datasheet Document Download
- Guidance videos
- Reviews
- Shipping & Returns
Package inlcuded:
1 x R4AVA07 8-25V 7 Channel Voltage analog acquisition RS485 module
![](http://ae01.alicdn.com/kf/H7f7f1e10034845fea8eb89918e0316603.jpg)
Description:
1: Operating Voltage : DC 8-25V(DC 9V 12V 15V 24V)
2: Operating Current : 10-15MA
3: MODBUS RTU Command support 03 06 function code
4: The A1/2/3/4 channel voltage measurement range is 0-5V, and the A5/6/7 channel voltage measurement range is 0-10V. The drive capability of the tested voltage source must be greater than 1MA, otherwise the measurement cannot be accurate (MCU IO voltage cannot be measuring)
5: Voltage measurement accuracy of 1%, calibration can be calibrated if the error is greater than 1%
6 :MODBUS commands can be made serial HyperTerminal (serial assistant) OR PLC Enter;
7 :Under the MODBUS command mode, it can support up to 247 devices in parallel
8 :Size: 45 * 30 * 15mm
9 :Weight: 10g
NOTE :
The drive capability of the tested voltage source must be greater than 1MA, otherwise the measurement cannot be accurate (MCU IO voltage cannot be measuring),
Recommend to buy a new version. click here
:
N4AIA04
Instruction manual Please ask us after the purchase
Application
4-20MA/0-20MA Sensor
Voltage analog acquisition
Automated industry PLC
Smart Home,Home Automation ;
Identification system;
RS485 Remote monitoring;
Multimeter voltmeter
Interface introduction
![](http://ae01.alicdn.com/kf/H47528e20d02a4ebcb46b23457f8fa33f5.jpg)
Wiring diagram
![](http://ae01.alicdn.com/kf/H524d2bd3c9504b34b4efb9d026ed5993i.jpg)
* Delivery Time.
We need 1-2 days to process your order before shipping.There are two shipping methoed. Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.Slow Delivery: The delivery time for US, European countries the delivery will take 10-15 days.
* Tracking information.
After we ship package, customer receive automatic email with tracking details.
* Lost Package Policy.
If a package did not arrive in 4 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.