Siemens 6RA70 specifications F012 Telegram failure at GSST2, USS telegram failure at G-SST2

Fault

No.

Description
Cause as a function of fault value	Further information (r047.002 to r047.016)
(r047.001, r949.001 or r949.009 with acknowledged error)

F012 Telegram failure at GSST2

when P790 = 2:

USS telegram failure at G-SST2

(active from the first receipt of a valid protocol in all operating states)

After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P797.

Possible fault causes

♦Cable break

♦Error in USS master

when P790 = 4 or 5 and P798 = 32 or 33:

Peer-to-peer telegram failure at G-SST2

(active in operating states of ≤ o6)

After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P797.

Possible fault causes

♦Interruption in connecting cable

♦EMC interference on connecting cable

♦P797 is set too low

F013 Telegram failure at GSST3

when P800 = 2 and P808 = 32 or 33:

USS telegram failure to G-SST3

(active from the first receipt of a valid protocol in all operating states)

After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P807.

Possible fault causes

♦Cable break

♦Error in USS master

when P800 = 4 or 5:

Peer-to-peer telegram failure at G-SST3

(active in operating states of ≤ o6)

After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P807.

Possible fault causes

♦Interruption in connecting cable

♦EMC interference on connecting cable

♦P807 is set too low

F014 Telegram failure at paralleling interface

(active when U800 = 1 or 2 from the first receipt of a valid protocol in all operating states)

After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter U807.

Possible fault causes

♦Interruption in connecting cable

♦EMC interference on connecting cable

♦U807 is set too low

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