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AN00174-001 Modbus TCP Fieldbus Option for MotiFlex e100.doc

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Overview

The Baldor Modbus/TCP Fieldbus Option Card (FOC) for MotiFlex e100 allows the drive to provide

10/100 Mbit/s full/half duplex Modbus/TCP communications (up to 4 simultaneous connections).

Note: The Fieldbus Option must be plugged into option slot 1 on the MotiFlex e100.

Please refer to the MotiFlex Fieldbus Option Card Installation manual MN1954 for full connection

details and information about the various diagnostic LEDs fitted to the Fieldbus Option.

Typically the Fieldbus Option would be used as a ‘Gateway’ between a PLC (or other such client

device on Modbus/TCP) and a NextMove e100 (or other such device on Ethernet Powerlink). This

Application Note details how this configuration can be achieved.

The client must be capable of addressing the standard Modbus TCP Port (502) on the Fieldbus

Option.

The Fieldbus Option’s default IP address is 0.0.0.2, but this can be changed via WorkBench if

required.

Note: If the Modbus/TCP IP address is set identical to the EPL IP address it is

important not to directly connect the Modbus/TCP network to the EPL network.

The Fieldbus Option handles the transmission of data to and from the Modbus/TCP network. Data

items are stored in Application Data Instances (ADIs) of the Application Data Object (ADO)

maintained by the MotiFlex e100. This fieldbus data, both in and out of the drive, is 'mapped' to

the drive's standard Ethernet Powerlink (EPL) object dictionary entries. Since an EPL manager

node (MN) such as a NextMove e100 has access to all of the drive's object dictionary entries it

can therefore also access any fieldbus Process Data. The drive's objects can also be mapped to

EPL PDOs, allowing the MN to provide cyclic updates of fieldbus related data. The correlation

(mapping) between the drive's object numbers and the ADI numbers (and related Mint keywords)

is shown in the Fieldbus Option’s object dictionary which is listed in the Mint Help File that installs

with WorkBench v5.5.

The Modbus/TCP side of the Fieldbus Option allows for up to 512 bytes of Process Data (256 16-

bit registers) to be mapped in each direction (read/write), which corresponds to 128 32-bit

Process Data items. However, the number of Process Data items that can actually be mapped to

the MotiFlex e100 over EPL and also over Modbus/TCP is limited to 64 on each (64 transmit and

64 receive Process Data items on each of the networks). So this determines the maximum

amount of data that can be transferred between the two network segments.

Part Number/Ordering Information

The MotiFlex e100 Fieldbus Option Cards comprise a fieldbus module which must be fitted to a

carrier card. This two part construction allows a different fieldbus to be fitted at a later date

without changing the carrier card.

AN00174-001: Modbus/TCP Fieldbus Option for

MotiFlex e100

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Inhaltsverzeichnis

Seite 1 - MotiFlex e100

Seite 2 - Modbus/TCP Function Codes

Seite 3 - Configuring the Drive

Seite 4

Seite 5 - Process Data Configuration

Seite 6

Seite 7

Seite 8

Seite 9

Seite 10

Seite 11 - Testing Read and Write Data

Seite 12 - Reading Process Data

Seite 13

Seite 14 - Writing Process Data

Seite 15

Seite 16

Seite 17 - Mapping EPL Data

Seite 18

Seite 19

Seite 20

Seite 21

Seite 22

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Um das Dokument anzuzeigen Baldor Modbus Plus Bedienungsanleitung

Baldor Modbus Plus Bedienungsanleitung (36 Seiten)

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