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Profibus Dp Master Led Behavior - Honeywell Experion PKS User Manual

Profibus gateway module.
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4.3.1 PROFIBUS DP Master LED behavior

The following tables describe the behavior of the LEDs located adjacent to the PROFIBUS 1 and PROFIBUS 2
DB9 connectors on the PGM IOTA (CC-TPOX01). The behavior of the LEDs depends on whether the PGM
acting as a primary or acting as a secondary.
LED behavior for primary PGM
State
1
2
3
4
5
Attention
State 2 and State 3 result in the same LED indication.
Condition described in State 2 only occurs during configuration loading.
Condition described in State 3 is a result of the connectivity problem or PROFIBUS device failure. Therefore, this
condition can occur at any time during routine operation.
LED behavior for secondary PGM
State
1
2
3
4
Attention
Both LEDs OFF: This situation persists only for a short time after power cycle. Thereafter, LEDs transitions to State 1.
Table 1: LED behavior for primary PGM
Color
LED Indication
Green
Flashing acyclic (four 100 ms
flashes followed by
approximately 3 seconds
OFF, then repeat)
Green
Flashing cyclic
Green
Flashing cyclic
Green
ON
None
OFF
Table 2: LED behavior for secondary PGM
Color
LED Indication
Green
Flashing acyclic (four 100 ms
flashes followed by
approximately 3 seconds
OFF, then repeat)
Green
Flashing cyclic
Green
ON
None
OFF
4 PROFIBUS GATEWAY MODULE (PGM) INSTALLATION
Description
PGM is in NO DB.
PGM's network configuration load is in progress.
Communication with at least one slave is lost.
Communication with all slaves is established.
Communication to all slaves is lost.
Description
PGM is not synchronized with its partner.
PROFIBUS network configuration synchronization is
in progress.
This is the default run state for the PGM acting as
secondary.
This is the default state at power up, and then
transitions to State 1.
Refer to Attention
25

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