SSD 605C Product Manual - Quadratic Torque Selection
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Programming Your Application
605C Frequency Inverter
Quadratic Torque Selection
When selecting or de-selecting Quadratic Torque mode, several parameter values and their
limits are modified.
The parameters affected are shown in the table below.
Note: When changing to or from Quadratic Mode, you will be requested to confirm your
actions on the MMI. This is intended to remind you of the effects detailed below.
MMI Menu Map
1 SETUP PARAMETERS
2 QUICK SETUP
QUADRATIC TORQUE
or
MMI Menu Map
1 SETUP PARAMETERS
2 FUNCTION BLOCKS
3 MOTOR CONTROL
4 CURRENT FEEDBACK
QUADRATIC TORQUE
Change from CONSTANT TORQUE to QUADRATIC TORQUE
Tag Function Block
Parameter
Set to:
Note
99
PATTERN GEN
FREQ SELECT
3kHz
Cannot be changed
118 VECTOR FLUXING
ENABLE
FALSE
Cannot be changed
238 I*t TRIP
TIME
10s
High limit now 10s
239 I*t TRIP
UPPER LIMIT
115.00%
High limit now 115.00%
64
CURRENT FEEDBACK FULL LOAD CALIB Output current
Amps
Refer to Chapter 11: “Technical
Specifications”, Electrical
Ratings (quadratic torque)
65
CURRENT FEEDBACK NO LOAD CALIB 30% of output
current Amps
Refer to Chapter 11: “Technical
Specifications”, Electrical
Ratings (quadratic torque)
365 CURRENT LIMIT
MOTOR LIMIT
115.00%
High limit now 115.00%
623 CURRENT LIMIT
REGEN I LIMIT
-115.00%
Low limit now -115.00%
Change from QUADRATIC TORQUE to CONSTANT TORQUE
Tag Function Block
Parameter
Set to:
Note
99
PATTERN GEN
FREQ SELECT
3kHz
Can be changed
118 VECTOR FLUXING
ENABLE
FALSE
Can be changed
238 I*t TRIP
TIME
60s
High limit now 60s
239 I*t TRIP
UPPER LIMIT
150.00%
High limit now 150.00%
64
CURRENT FEEDBACK FULL LOAD CALIB Default FULL
LOAD CALIB
Amps
Refer to Chapter 10:
“Parameter Specification”,
Power Rating Dependant
Defaults
65
CURRENT FEEDBACK NO LOAD CALIB Default NO
LOAD CALIB
Amps
Refer to Chapter 10:
“Parameter Specification”,
Power Rating Dependant
Defaults
365 CURRENT LIMIT
MOTOR LIMIT
150.00%
High limit now 150.00%
623 CURRENT LIMIT
REGEN I LIMIT
-150.00%
Low limit now -150.00%