Rockwell Automation 20-COMM-Q ControlNet Adapter User Manual

Page 156

Advertising
background image

6-28

Using Explicit Messaging

20-COMM-C/Q ControlNet Adapter User Manual
Publication 20COMM-UM003F-EN-P

PLC-5 Controller Example Single Write Response Data

In this specific N50:0 message example, we use the data table address in

Figure 6.32

to store the request value (10.0 sec.) that was written to drive

parameter 140 - [Accel Time 1]. To determine the data type for the
parameter and its required scaling, see the specific drive documentation.

Figure 6.32 Example Single Write Response Data File

Figure 6.33

shows example ladder logic to correctly format the three

possible data types for write messages of different parameter types in the
PLC-5 controller.

Figure 6.33 Example Ladder Logic to Format Parameter Data Types for Writes

For 16-bit Integer
Parameters – All
PowerFlex 7-Class
Drives

For 32-bit Integer
Parameters – All
PowerFlex 7-Class
Drives

For 32-bit REAL
(Floating Point)
Parameters –
PowerFlex 700S
and PowerFlex
750-Series Drives

Advertising
This manual is related to the following products: