Operating Instructions

Appendix A: Parameter Reference List
Siemens Building Technologies, Inc. 153
P1266 BI: Bypass command
Min: 0:0 Def: 0:0 Max: 4000:0
Level 2
P1270[2] BI: Enable essential service
Min: 0:0 Def: 0:0 Max: 4000:0
Level 2
P1300 Control mode
Min: 0 Def: 0 Max: 23
Level 2
Details: Controls relationship between speed of motor and voltage supplied by inverter.
Enum: 0 =V/f with linear charac.
1 =V/f with FCC
2 =V/f with parabolic charac.
3 =V/f with programmable charac.
4 =V/f with ECO mode
5 =V/f for textile applications
6 =V/f with FCC for textile
applications
19 =V/f control with independent
voltage setpoint
20 =Sensorless vector control
21 =Vector control with sensor
22 =Sensorless vector torque-
control
23 =Vector torque-control with
sensor
Dependency: Limited internally to 200 Hz or 5 * rated motor frequency (P0305) when P1300 >= 20 (control mode=vector
control). The value is displayed in r0209 (maximum frequency).
Note: P1300=1 : V/f with FCC
* Maintains motor flux current for improved efficiency
* If FCC is chosen, linear V/f is active at low frequencies.
P1300=2 : V/f with a quadratic curve
* Suitable for centrifugal fans/pumps
P1310 Continuous boost
Min: 0.0 Def: 50.0 Max: 250.0
Level 2
Details: Defines boost level in [%] relative to P0305 (rated motor current) applicable to both linear and quadratic V/f
curves.
Dependency: Setting in P0640 (motor overload factor [%]) limits the boost.
Note: The boost values are combined when continuous boost (P1310) used in conjunction with other boost parameters
(acceleration boost P1311 and starting boost P1312). However priorities are allocated to these parameters as
follows:
P1310 > P1311 > P1312
Increasing the boost levels increases motor heating (especially at standstill).
P1311 Acceleration boost
Min: 0.0 Def: 0.0 Max: 250.0
Level 2
Details: Applies boost in [%] relative to P0305 (rated motor current) following a positive setpoint change and drops back
out once the setpoint is reached.