Rockwell Automation 20-COMM-Q ControlNet Adapter - Manual (Page 161)

Using Explicit Messaging 6-33
20-COMM-C/Q ControlNet Adapter User Manual
Publication 20COMM-UM003F-EN-P
In this example, the parameters have the following values.
Figure 6.41 Example Scattered Read Response Data File for PowerFlex 750-Series
Drive
The PowerFlex 750-Series drive uses 32-bit integer and REAL parameters.
A COP command must be used to copy the N60 integer array to a 16-bit
integer or floating tag.
Figure 6.42 shows the ladder logic used for this
example. If the parameter data type is a 32-bit integer, the data remains split
into two 16-bit integers because there are no 32-bit integers in the PLC-5
controller. If the parameter data type is a REAL, then the destination tag is a
floating point. In this case, the value must first be swapped with the high
and low 16-bit integers, and then the two integers copied (COP) into a
floating point address. See the drive documentation to determine the
parameter data type (32-bit integer or REAL).
PowerFlex 7-Class Drive Parameter Address Read Value
1 - [Output Freq] N70:1 90.0 Hz
3 - [Output Current] N70:4 0.09 Amp
6 - [Output Voltage] N70:7 229.1V AC
12 - [DC Bus Voltage] N70:10 325.3V DC
17 - [Analog In2 Value] N70:13 8.318 mA