Rockwell-automation 5720 DriveLogix System Uživatelský manuál stáhnout pdf (Strana 187)

Publication 20D-UM002C-EN-P - November 2003

Communicating with Devices on a DeviceNet Link 8-7

automatically created when you configure the I/O module through the

programming software. Each tag name follows this format:

Location:SlotNumber:Type.MemberName.SubMemberName.Bit

where:

This address variable: Is:

Location Identifies network location

LOCAL = identifies communication card within the workstation

SlotNumber Slot number of I/O module in its chassis

Type Type of data

I = input

O = output

C = configuration

S = status

MemberName Specific data from the I/O module; depends on the type of data the module can store

For example, Data and Fault are possible fields of data for an I/O module. Data is the common name for

values the are sent to or received from I/O points.

SubMemberName Specific data related to a MemberName.

Bit (optional) Specific point on the I/O module; depends on the size of the I/O module (0-31 for a 32-point module)

EXAMPLE

The 1788-DNBO card in this example is in

named “DeviceNet_Interface_Card”.

The data for the card is configured as a

rack-optimized connection.

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Rockwell-automation 5720 DriveLogix System Uživatelský manuál Strana 187