Parameter Changes; Additional Functions; Belt Failure Detection Without Sensor - Siemens SED2 Commissioning Manual

7.8.1 Parameter changes

Start with quick commissioning according to application 1
Par. no. Value Parameter function
P0501(0) 4 Type of sensor
P0701(0) 16 Function of digital input 1 in "Auto" mode Set DIN 1 for fixed freq SP + ON
P0756(0) 0 Analog input
P1080 5 Motor minimum frequency
P1210 3 Restart after fault / mains break
P2200 1 Enable PID controller
P2201 60 Fixed PID setpoint
P2253 2224 PID setpoint
P2264 755.0 PID feedback
P2274 0 PID derivative action time
P2280 1.5 PID proportional band
P2285 20 PID integral action time
P2306 0 PID acting direction
P2390 20 Hibernation frequency
P2391 60 Hibernation timer
P2392 -5 Restart PID controller deviation
r2262 Filtered PID setpoint
r2272 PID scaled feedback
r2273 PID error
r2294 PID output
8

Additional functions

8.1 Belt failure detection without sensor

Carry out quick commissioning and modify the parameters for normal operation, then proceed as follows:
Frequency /
torque curve
Siemens
Building Technologies
Torque [Nm]
P2189
Upper torque threshold 3
P2190 unterer
Lower torque threshold 3
P2187
Upper torque threshold 2
P2188
Lower torque threshold 2
P2185
Upper torque threshold 1
P2186
Lower torque threshold 1
P2182
Threshold frequency 1
Commissioning Guide
8 Additional functions
Function selection
Set input scale to range of QBE620 – P25
Unipolar voltage input (DC 0...10 V)
Minimum frequency
Auto restart after mains fail
Enable PID loop
Fixed setpoint as a percentage of sensor range
PID setpoint source
Sets PID feedback source to AIN-1
Derivative action time
Proportional band
Integral action time
Direct acting loop
Hibernation setpoint [%]
Hibernation timer in seconds
Restart – PID error in %
Display actual setpoint in C
Display actual condenser pressure
Display actual PID error in %
Display actual VSD output in %
Frequency [Hz]
P2183
P2184
Threshold frequency 2
Threshold frequency 3
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CM1G5192en
29.07.2010