Rockwell-automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Commun Manual de usuario descargar pdf (Pagina 130)

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

Chapter 6 Using Explicit Messaging

Figure 60 - Example Ladder Logic to Format Parameter Data Types for Writes

MicroLogix 1100/1400 Controller Explicit Messaging Using the

Generic Get/Set Attribute Service

MicroLogix 1100/1400 Controller Example Ladder Logic Program to Read a

Single Parameter

A Generic Get Attribute Single message is used to read a single parameter. This

read message example reads the value of parameter 003 - [Output Current] in a

PowerFlex 7-Class drive.

Important:See Table 17 on page 106

for limitations of PowerFlex 7-Class

drives when using Class code 0x93 for explicit messaging.

Figure 61 - Example Ladder Logic to Read a Single Parameter

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

Drives

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Rockwell-automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Commun Manual de usuario Pagina 130