Rockwell Automation RECOMM-232 Serial Converter for use with DPI AC Drives User Manual

Page 40

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B-4

Serial Converter for use with DPI AC Drives

Number of ENQ characters sent by the serial converter.

Number of ENQ characters received by the serial converter.

Number of NAK characters received by the serial converter.

Number of NAKs sent by the serial converter because of corrupt
packets (improper protocol messages) as determined by the serial
converter.

Number of NAKs sent by the serial converter because it did not
have sufficient memory to buffer the incoming messages. The serial
converter runs out of memory if a command has not completed and
there is no place to save the new commands.

1

This value is normally a low value. If it is continually incrementiong and you

are having communications problems, use a lower baud rate or replace
the RECBL-SFC serial cable.

10

ENQs Sent

1

Range:

0 to 65535

Default:

0

Type:

Read Only

11

ENQs Received

1

Range:

0 to 65535

Default:

0

Type:

Read Only

12

NAKs Received

1

Range:

0 to 65535

Default:

0

Type:

Read Only

13

NAK Bad Packet

1

Range:

0 to 65535

Default:

0

Type:

Read Only

14

NAK No Memory

1

Range:

0 to 65535

Default:

0

Type:

Read Only

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