Danfoss FC 300 Interbus Instrukcje Operacyjne Pobierz pdf (Strona 42)

FC 300

Bit (Hex) Unit diag-

nose bit

Warning word (Par.

16-92)

Alarm no.

00000001 112 Brake check 28

00000002 113 Power card over temper-

ature

00000004 114 Earth fault 14

00000008 115 Control card over tem-

perature

00000010 116 Control word timeout 18

00000020 117 Over current 13

00000040 118 Torque limit 12

00000080 119 Motor thermistor over

temp.

00000100 104 Motor ETR over temper-

ature

00000200 105 Inverter overloaded 9

00000400 106 DC link under voltage 8

00000800 107 DC link over voltage 7

00001000 108 DC link voltage low 6

00002000 109 DC link voltage high 5

00004000 110 Mains phase loss 4

00008000 111 No motor 3

00010000 96 Live zero error 2

00020000 97 10 V low 1

00040000 98 Brake resistor power

limit

00080000 99 Brake resistor short cir-

cuit

00100000 100 Brake chopper fault 27

00200000 101 Speed limit 49

00400000 102 Fieldbus comm. fault 34

00800000 103 24 V supply fault 47

01000000 88 Mains failure 36

02000000 89 Current limit 59

04000000 90 Low temperature 66

08000000 91 Voltage limit 64

10000000 92 Encoder loss 61

20000000 93 Output frequency limit 62

40000000 94 Unused -

80000000 95 Warning word 2 (ext.

stat. word)

FC 300

Bit (Hex) Comm. option STW (Par. 16-94)

00000001 Ramping

00000002 AMA tuning

00000004 Start CW/CCW

00000008 Slow down

00000010 Catch up

00000020 Feedback high

00000040 Feedback low

00000080 Output current high

00000100 Output current low

00000200 Output frequency high

00000400 Output frequency low

00000800 Brake check OK

00001000 Braking max.

00002000 Braking

00004000 Out of speed range

00008000 OVC active

00010000 AC brake

00020000 KTY warm

00040000 Fans warm

00080000 Unused

00100000 Unused

00200000 Unused

00400000 Unused

00800000 Unused

01000000 Unused

02000000 Unused

04000000 Unused

08000000 Unused

10000000 Unused

20000000 Unused

40000000 Unused

80000000 Unused

8.1.1. Warning and Alarm Messages

There is a clear distinction between alarms and warnings. When there is an alarm, the frequency converter will enter a fault condition. After the cause

for the alarm has been cleared, the master will have to acknowledge the alarm message before the frequency converter can start operating again. A

warning, on the other hand, may come when a warning condition appears, then disappear when conditions return to normal, without interfering with the

process.

Warnings

Warnings within the frequency converter are represented by a single bit within a warning word. A warning word is always an active parameter. Bit status

FALSE [0] means no warning, while bit status TRUE [1] means warning. Any bit change in the warning word will be notified by a change of bit 7 in the

status word.

Alarms

Following an alarm message the frequency converter will enter Fault condition. Only after the fault has been alleviated and the master has acknowledged

the alarm message by setting bit 7 in the control word, will the frequency converter resume operation. Alarms within the frequency converter are

represented by a single bit within an alarm word. An alarm word is always an action parameter. Bit status FALSE [0] means no fault, while bit status

TRUE [1] means fault.

8. Troubleshooting FC 300 Interbus Operating Instructions

MG.33.H3.02 - VLT is a registered Danfoss trademark

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