ICP DAS USA MDCL-705i User Manual page 45

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RegCount

Defines the quantity of registers to be read. The available range is from 1 to 125.

Timeout

Defines which data will be read while a timeout error is occurred:

EventProcess

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

GroupName

Each polling definition must be assigned with a unique GroupName, which will be

(*4)

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

Description

The comment or description of a polling definition. It will be displayed on the web

(*4)

interface for users to get more information about the definition.

The available range is 1 to 16 ASCII

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

65535.

characters.

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