Rockwell-automation 20-COMM-R Remote I/O Adapter Manual de usuario descargar pdf (Pagina 32)

3-6 Configuring the Adapter

20-COMM-R Remote I/O Adapter User Manual

Publication 20COMM-UM004D-EN-P

Setting the I/O

Configuration

The I/O configuration determines the data that is sent to and from the drive.

Logic Command/Status, Reference/Feedback, and Datalinks may be

enabled or disabled. (Datalinks allow you to read/write directly to

parameters in the drive using Discrete I/O.) A ‘1’ enables the I/O and a ‘0’

disables the I/O.

1. Set the bits in Parameter 12 - [DPI I/O Config].

Bit 0 is the right-most bit. It is highlighted above and equals ‘1’.

2. If Logic Command/Reference is enabled, configure the parameters in

the drive to accept the Logic Command and Reference from the adapter.

For example, set Parameter 90 - [Speed Ref A Sel] in a PowerFlex 70 or

700 drive to ‘22’ (DPI Port 5) so that the drive uses the Reference from

the adapter. Also, verify that the mask parameters (for example,

Parameter 276 - [Logic Mask]) in the drive are configured to receive the

desired logic from the adapter. See the documentation for your drive for

details.

3. If you enabled one or more Datalinks, configure parameters in the drive

to determine the source and destination of data in the Datalinks.

When using Datalinks, up to 8 drive [Data In xx] parameters

(300…307) and/or up to 8 [Data Out xx] parameters (310…317) must

be assigned to point to the appropriate drive parameters for your

application. Also, ensure that the Remote I/O adapter is the only adapter

using the enabled Datalinks. See Chapter 4

, Using Discrete and Block

Transfer I/O for an example.

4. Reset the adapter (see Resetting the Adapter on page 3-8).

The adapter is ready to receive I/O.

Bit Description

0 Logic Command/Reference (Default)

1 Datalink A

2 Datalink B

3 Datalink C

4 Datalink D

5…15 Not Used

Port 5 Device

20-COMM-R

Parameter #: 12

DPI I/O Config

xxxxxxxxxxx0000

Cmd/Ref b00

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 127 128

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