Figure 6.27, Table sho – Rockwell Automation 20-COMM-E PowerFlex EtherNet/IP Adapter User Manual

Page 150

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6-24

Using Explicit Messaging

20-COMM-E EtherNet/IP Adapter User Manual

Publication 20COMM-UM010G-EN-P

PLC-5 Controller – Formatting a Message to Read a Single Parameter

Figure 6.27 Read Single Message Configuration Screens

The following table identifies the data that is required in each box to
configure a message to read a parameter.

General Tab

Example Value

Description

Communication Command

Data Table Address

Size in Elements

Port Number

Data Table Address

MultiHop

PLC-5 Typed Read

N40:0

2

(1)

2

N150:6

(2)

Yes

Controller type and command type for controller to read data from the drive.

An unused controller data table address containing the message instruction. This

address is the starting word of the destination file.

Number of elements (words) to be transferred. Each element size is a 16-bit integer.

Controller port to which the network is connected.

Specific starting address of the source file in the drive.

Enables communication to allow network messaging to be routed to the drive.

MultiHop Tab

Example Value

Description

To Address

10.91.100.79

IP address of the adapter connected to the drive.

(1)

Because the N-files used for the data transfer occupies two contiguous 16-bit words, the Size in Elements must always be set to 2 regardless of whether the

parameter being read is a 16-bit integer or a 32-bit integer.

(2)

See

page C-11

for N-file addressing. Below are some examples of how to address N-files:

N-File Address

Data Type

Description

Notes

N150:6

32-bit integer

Parameter 3 of PowerFlex 70 drive

Example ladder logic

rungs are shown in

Figure 6.29

for these three

different parameter data

types.

N155:14

32-bit REAL

Parameter 7 of PowerFlex 750-Series drive

N155:200

32-bit integer

Parameter 725 of PowerFlex 750-Series drive

N209:154

32-bit REAL

Port 5: Parameter 77 of 24V I/O module in

PowerFlex 750-Series drive

N211:50

16-bit integer

Port 6: Parameter 25 of 20-COMM-E adapter

in PowerFlex 750-Series drive

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