Rockwell-automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Commun Manual de usuario descargar pdf (Pagina 127)

Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013 127

Using Explicit Messaging Chapter 6

MicroLogix 1100/1400 Controller Example Read Single Response Data

In this message example, we use the data table address in Figure 55 to store the

response value (0.13 amps) that was read from drive parameter 003 - [Output

Current]. To determine the data type for the parameter and its required scaling,

see the specific drive documentation.

Figure 55 - Example Read Single Response Data File

Figure 56 shows example ladder logic to correctly format the three possible data

types for read messages in the MicroLogix 1100/1400 controller.

Figure 56 - Example Ladder Logic to Format Parameter Data Types for Reads

For 16-bit Integer

Parameters – All

PowerFlex 7-Class

For 32-bit Integer

Parameters – All

PowerFlex 7-Class

For 32-bit REAL

(Floating Point)

Parameters –

PowerFlex 700S

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Rockwell-automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Commun Manual de usuario Pagina 127