Kw / 100 Kw Rectifier Units - Siemens 6SE7024-1EP85-0AA1 Operating Instructions Manual

05.2005
3.2.3

50 kW / 100 kW rectifier units

NOTE
Siemens AG 6SE7087-2NP85-0AA0
SIMOVERT MASTERDRIVES
LED Designation
Green Run
Red Failure
Yellow Chopper active
Table 3-3 Operating statuses of the rectifier unit
The fault message is not stored. It is only displayed for as long as a
fault is present (at least 1 sec) and need not be acknowledged.
Operating Instructions
Meaning
•
Pre-charging is finished
•
Rectifier unit ready-to-operate
Group fault,
There is a fault in the rectifier unit, "fault" (X91)
contact is open:
•
24 V supply voltage < 19 V
•
Line phase failure
•
DC link voltage > 800 V
•
Heat sink temperature too high,
•
Short circuit of braking resistor
Brake chopper activated.
Start-up
3-3