Rockwell Automation RECOMM-485 RS485 DFI Communications Module User Manual

Page 42

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6-8

RS485 DF1 Communications Module

Events

Many events in the event queue occur under normal operation. If
you encounter unexpected communications problems, the events
may help you or Reliance Electric personnel troubleshoot the
problem. Table 6.6 lists events that may appear in the event queue.

Table 6.6 – Event Codes and Descriptions

Code

Event

Description

1

No Event

Empty event queue entry.

2

DPI Bus Off Flt

A bus-off condition was detected on DPI. This
event may be caused by loose or broken
cables or by noise.

3

Ping Time Flt

A ping message was not received on DPI
within the specified time.

4

Port ID Flt

The module is not connected to a correct port
on a DPI product.

5

Port Change Flt

The DPI port changed.

6

Host Sent Reset

The DPI product issued this because it was
reset.

7

EEPROM Sum Flt

The EEPROM in the module is corrupt.

8

Online @ 125 kbps

The module and DPI product are
communicating at 125 kbps.

9

Online @ 500 kbps

The module and DPI product are
communicating at 500 kbps.

10

Bad Host Flt

The module was connected to an
incompatible product.

11

Dup. Port Flt

Another peripheral with the same port number
is already in use.

12

Type 0 Login

The module has logged in for type 0 control.

13

Type 0 Time Flt

The module has not received a type 0 status
message within the specified time.

14

DL Login

The module has logged into a Datalink.

15

DL Reject Flt

The host rejected an attempt to log in to a
Datalink because the Datalink is not
supported or is used by another peripheral.

16

DL Time Flt

The module has not received a Datalink
message within the specified time.

17

Control Disabled

The module has sent a “Soft Control Disable”
command to the DPI product.

18

Control Enabled

The module has sent a “Soft Control Enable”
command to the DPI product.

19

PCCC IO Time Flt

The module has not received a PCCC control
message within the specified timeout interval.

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