Rockwell Automation PowerFlex 750-Series, Руководство пользователя

Страница: 67 / 144

Using Explicit Messaging 6-3
PowerFlex 750-Series Drive DeviceNet Option Module User Manual
Publication 750COM-UM002A-EN-P
ControlLogix Example
For supported classes, instances, and attributes, refer to Appendix C ,
DeviceNet Objects .
Important: The explicit messaging examples in this section can be
performed using any firmware version of RSLogix 5000.
ControlLogix Example Ladder Logic Program to Read Single
Parameter
A Get Attribute Single message is used to read a single parameter. This
read message example reads the value of the 32-bit REAL (floating
point) parameter 007 - [Output Current] in a PowerFlex 750-Series drive.
Table 6.A Example Controller Tags for Read Single Parameter Messaging
Program
Figure 6.2 Example Ladder Logic Explicit Messaging Program for Read Single
TIP: To display the Message Configuration screen in RSLogix 5000,
add a message instruction (MSG), create a new tag for the message
(Properties: Base tag type, MESSAGE data type, controller scope), and
click the
button in the message instruction.
Operand Controller Tags for Read Single Message Data Type
XIC Execute_Single_Read_Message BOOL
MSG Single_Read_Message MESSAGE