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RegCount
Defines the quantity of registers to be read. The available range is from 1 to 125.
Timeout
EventProcess
Defines which data will be read while a timeout error is occurred:
0: the exception code (Mode 1)
1: the latest data before the timeout error occurred (Mode 2)
2: a preset value (Mode 3)
PresetValue
Defines the preset value applied when the
TimeoutEventProcess
is set to 2.
The available range is from 0 to 65535
.
GroupName
(*4)
Each polling definition must be assigned with a unique GroupName, which will be
used in data log configuration. If two or more polling definitions share the same
GroupName, the MDCL will fail to record data included in these polling definitions.
The available range is 1 to 12 ASCII characters
.
Description
(*4)
The comment or description of a polling definition. It will be displayed on the web
interface for users to get more information about the definition.
The available range is 1 to 16 ASCII characters
.
NOTE:
*1. The maximum number of all the polling definitions is 250.
*2. The MDCL provides 9600 internal Modbus registers for each table (DI/DO/AI/AO) to hold data
collected from the RTU slave devices.
*3. In order to retain register space mapped for specific devices; or to release those spaces mapped
but reserve the definition for changed or stopped devices with a minimum level of modification,
users just need to set different types for a polling definition in different applications.
*4. The characters "-", "*", "~" and "#" are reserved and cannot be used in text field including the
GroupName
and
Description
fields
