NORD Drivesystems BU0070 - Manual (Page 28)

NORDAC InterBus Operating Manual
28 Subject to technical alterations BU 0070 GB
Sw itch-on block
Standby
activated
Operation
enabled
Emergency
stop active
Error reaction
active
Error
From every device status
3 4 5 6 8
4 5
5
Not on standby
Sw itching on the inverter
Loading relay applied
Error
Error reaction
ended
Bit0 = 0: Shut dow n
& Bit1 = 1: Enable voltage
& Bit2 = 1: Enable pulses
(xxxx x1xx xxxx x110)
Bit 3 = 0: Block operation Bit0 = 1: Sw itch on
Bit3 = 1: Enable operation
Bit2 = 0: Emergency stop
Bit1 = 0: Block voltage
v Bit2 = 0: Emergency stop
Priority of control com m ands:
1. Block voltage
2. Emergency stop
3. Shut dow n
4. Enable operation
5. Sw itch on
6. Block operation
7. Reset error Designation of states:
1: Bit 0 = 0
2: Bit 6 = 1
3: Bit 0 = 1
4: Bit 1 = 1
5: Bit 2 = 1
6: Bit 5 = 0
7: Bit 2 & Bit 3 = 1
8: Bit 3 = 1
3
5
2 3
3 6 4
2
2
1
2
3 7
8
f = 0 reached
(Emergency stop ended)
Bit7 0 Î 1
error acknow ledgement
Control bits
0. Ready for operation / shut dow n
1. Block / enable voltage
2. Enable pulses / emergency stop
3. Block / enable operation
4. Operation condition / block RUE
5. Enable / stop RUE
6. Block / enable setpoint
7. Error acknow ledgement (0
Î 1)
10. Control data valid / invalid
11. Rotation right
12. Rotation left
14. Parameter set Bit 0
15. Parameter set Bit 1
4
5
6
Bit4 = 0: Move dow n emergency ramp and
remain in "Operation enabled"
Bit5 = 0: Hold frequency
Bit6 = 0: Setpoint = 0%
Bit0 = 0: Shut dow n
5
Bit3 = 1: Enable operation
& Bit0 = 1 : Sw itch on
2
Internal status machine
2