Rockwell-automation 25-COMM-E2P PowerFlex 25-COMM-E2P Dual-Port EtherN Instrukcja Użytkownika Pobierz pdf (Strona 83)

Rockwell Automation Publication 520COM-UM003A-EN-E - June 2013 83

Using Explicit Messaging Chapter 6

Example Scattered Read Response Data

The Scattered Read Request message reads the multiple parameters and returns

their values to the destination tag (Scattered_Read_Response). Example

Scattered Read Response Converted Data on page 83 shows the parameter

values.

Example Scattered Read Response Converted Data

In this message example, the parameters have the following values:

Example Ladder Logic Program to Write Multiple Parameters

A Scattered Write message is used to write to multiple parameters. This

CompactLogix controller write message example writes the following values to

these five 16-bit parameters in a PowerFlex 525 drive:

Example Controller Tags to Write Multiple Parameters

PowerFlex 525 Drive Parameters Read Value

b001 [Output Freq] 50.00 Hz

b003 [Output Current] 0.01 Amp (No load)

b004 [Output Voltage] 179.6V AC

b005 [DC Bus Voltage] 349V DC

b017 [Output Power] 0 kW (No load)

PowerFlex 525 Drive Parameters Write Value

A442 [Accel Time 2] 11.10 Sec

A443 [Decel time 2] 22.20 Sec

A415 [Preset Freq 5] 33.30 Hz

A416 [Preset Freq 6] 44.40 Hz

A417 [Preset Freq 7] 55.50 Hz

Operation Controller Tags for Scattered Write Message Data Types

XIC Execute_Scattered_Write_Message BOOL

MSG Scattered_Write_Message MESSAGE

1 2 ... 78 79 80 81 82 83 84 85 86 87 88 ... 171 172

Brak uwag

Rockwell-automation 25-COMM-E2P PowerFlex 25-COMM-E2P Dual-Port EtherN Instrukcja Użytkownika Strona 83