ICP DAS USA ET-7000 Series User Manual page 79

Chapter 3 Web Configuration Page


,
Editing the Group Register
Register: The Modbus Register number for the ET-7000 module
Modbus
Alias: A string that describes the Modbus register. It can be a reference to a tag in the image
of the Web editing page that is selected from the "Page properties" section. (If the tag of
the Modbus register has defined on the image)
Scaling: The Modbus register value will be divided by the scale value before being displayed
on the web page, or multiplied before value is written to the ET-7000 module.
This function is only used for Input or Holding register types.
Enable: Enable the Scaling function
Disable: Disable the Scaling function
Example:
1. Modbus register value= 620, Scale value=10
2. Modbus register value=7325, Scale value=1000
page.
3. Web page input= 32.20, Scale value=100
register.
Type: Defines the Modbus register type.
Register
Bit format: Coil (Digital Output), Discrete input (Digital Input).
Byte format: Input (Analog Input), Holding (Analog Output).
Type: Defines the data type of the Modbus register and must be either Input or Holding.
Data
The data type can be one of the following:
Data Type
Unsigned 16
Signed 16
Unsigned 32
ET-7000 AIO User Manual, Apr. 2009, V1.04,
Table 3-3 Input or Holding Data Types
Definition
A 16-bit positive value
A16-bit value with a sign
A 32-bit positive value. The Most significant word (register) is on
the low address.
62.0 will be shown on the Web page.
7.325 will be shown on the Web
3220 will be written to the Modbus
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