Chapter 3 Web Configuration Page
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ET-7000 AIO User Manual, Apr. 2009, V1.04, EMH-011-104----------79
Editing the Group Register
Modbus Register: The Modbus Register number for the ET-7000 module
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.
z Enable: Enable the Scaling function
z Disable: Disable the Scaling function
Example:
1. Modbus register value= 620, Scale value=10 Î 62.0 will be shown on the Web page.
2. Modbus register value=7325, Scale value=1000 Î 7.325 will be shown on the Web
page.
3. Web page input= 32.20, Scale value=100 Î 3220 will be written to the Modbus
register.
Register Type: Defines the Modbus register type.
Bit format: Coil (Digital Output), Discrete input (Digital Input).
Byte format: Input (Analog Input), Holding (Analog Output).
Data Type: Defines the data type of the Modbus register and must be either Input or Holding.
The data type can be one of the following:
Table 3-3 Input or Holding Data Types
Data Type Definition
Unsigned 16 A 16-bit positive value
Signed 16 A16-bit value with a sign
Unsigned 32
A 32-bit positive value. The Most significant word (register) is on
the low address.
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