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Table 4-2
Bit
0
1
2
3
4
5
6
7
8
EM 148-FC Frequency Converter
A5E00065321-03
Structure of the control word
Description
Value
AUS1
0
Operating
1
condition
AUS2
0
Operating
1
condition
AUS3
0
Operating
1
condition
Disable operation
0
Enable operation
1
Disable ramp
0
generator
Operating
1
condition
Halt ramp
0
generator
Enable ramp
1
generator
Disable setpoint
0
value
Enable setpoint
1
value
↑
Acknowledgment
No inching to the
0
right
Inching to the right
1
Functions and Technical Specifications
Remarks
Ramp down to standstill via the parameterized
ramp
Ready for operation, wait for the switch-on
command
Voltage disconnection:
S
The motor comes slowly to a standstill
without external braking, starting lockout
S
If there is external braking, the brake is
activated immediately, starting lockout
Overload or overvoltage error messages
may be issued.
AUS2 command canceled
Rapid stop:
S
Without external braking the motor comes to
a standstill after half the ramp-down time,
starting lockout
S
If there is external braking, the brake is
activated after half the ramp-down time,
starting lockout
AUS3 command canceled
Voltage disconnection:
S
The motor comes slowly to a standstill
without external braking, starting lockout
S
If there is external braking, the brake is
activated immediately
Switch-on command, power up to specified
setpoint value
Ramp down to a standstill by means of a
parameterized ramp, voltage not disconnected,
external brake not activated
Ramp generator enabled
Freeze the current actual value (interrupt ramp
up or down)
Interrupted ramp up or down continued
Ramp generator input set to 0, ramp down to
standstill
Ramp up or down to setpoint value
Rising edge acknowledges a pending error
(see Section 4.1.3), starting lockout
Terminate inching mode to the right
Start inching mode to the right (see Section 4.3)
4-3
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