Phoenix Contact SCK-M-U-1500V Handleiding (128 Pagina's)

Handleiding

SOLARCHECK family

76

PHOENIX CONTACT 105608_en_02

Table 10-6 Scenario 5: SCK-C-MODBUS

Device/error description Status register LED indicator

SCK-C-MODBUS (2901674)

There is no data from the communication

module and the connected measuring

modules.

No entry POWER LED:

flashing (2.8 Hz)

Cause

An internal error has occurred.

Measures

1. Replace the communication module.

Table 10-7 Scenario 6: SCK-C-MODBUS

Device/error description Status register LED indicator

SCK-C-MODBUS (2901674)

Data is regularly unavailable or is out of date.

No entry POWER LED:

permanently ON

Cause

The SCK-internal cycle time is longer than the retrieval interval of the controller.

Measures

1. Set a retrieval interval >2 s at the controller.

2. Faulty data can extend the internal cycle time. Check the data quality as described for

Scenario 3 in Table 10-4 on page 75.

Table 10-8 Scenario 7: SCK-M-I-...

Device/error description Status register LED indicator

SCK-M-I-... (2903241, 2903242)

Module switches off automatically or remains in

an on/off loop.

No entry POWER LED:

ON/OFF

Cause

If the supply voltage at the measuring module input falls below approximately 16 V, the

module current consumption increases rapidly. Internal safety mechanisms then switch

off the module.

The module restarts automatically after 10 s. If the cause of the low voltage and the high

current is not removed, the module switches off again. The module is stuck in an on/off

loop.

Measures

1. Provide the necessary power supply to the module. Voltage drops can be caused by

underdimensioned power supply equipment, incorrectly dimensioned cabling, or ex-

ternal factors influencing the cabling.

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