Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual User Manual

Page 138

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138

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

Chapter 6 Using Explicit Messaging

MicroLogix 1100/1400 Controller Example Scattered Read Response Data

In this message example, we use the data table addresses in

Figure 72

to store the

response values that were read from the requested drive parameters.

Figure 72 - Example Scattered Read Response Data File for PowerFlex 7-Class

Drive

In this example, the parameters have the following values.

MicroLogix 1100/1400 Controller Example Ladder Logic Program to Write

Multiple Parameters Using Generic Get/Set Attribute Service

A Custom scattered write message is used to write to multiple parameters. This
write message example writes the following values to these five parameters.

See

DPI Parameter Object on page 198

(Class code 0x93) for parameter

numbering.

Important: See

Table 17 on page 106

for limitations of PowerFlex 7-Class

drives when using Class code 0x93 for explicit messaging.

PowerFlex 7-Class Drive Parameter Address

Read Value

1 - [Output Freq]

N60:1

32.5 Hz

3 - [Output Current]

N60:4

0.01 Amp

6 - [Output Voltage]

N60:7

118.7 VAC

12 - [DC Bus Voltage]

N60:10

329.2 VDC

17 - [Analog In2 Value]

N60:13

8.318 mA

PowerFlex 7-Class

Drive Parameter

Write Value

141 - [Accel Time 2]

11.1 Sec.

143 - [Decel Time 2]

22.2 Sec.

105 - [Preset Speed 5]

33.3 Hz.

106 - [Preset Speed 6]

44.4 Hz.

107 - [Preset Speed 7]

55.5 Hz.

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