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Siemens Building Technologies Commissioning Guide CM1G5192en
HVAC Products 8 Additional functions 26.02.2003
Par. no. Value Parameter function Function selection
P2183 30 Hz Belt threshold 2
Sets a threshold F2 for comparing actual torque to torque
within the envelope for belt failure detection
P2184 51 Hz Belt threshold 3 Sets a threshold F3 for comparing actual torque to torque
within the envelope for belt failure detection
r0031 ...........
Adjust with the
button
Read the torque at 15 Hz and note it here: ......................
r0031 ...........
Adjust with the
button
Read the torque at 30 Hz and note it here: ......................
r0031 ...........
Adjust with the
button
Read the torque at 45 Hz and note it here: ......................
P2185 ≥+ 25 % Upper torque threshold
frequency 1
Add 25 % to the torque reading taken at 14 Hz
P2186 ≥- 25 % Lower torque threshold
frequency 1
Subtract 25 % of the torque reading taken at 14 Hz
P2187 ≥+ 25 % Upper torque threshold
frequency 2
Add 25 % to the torque reading taken at 30 Hz
P2188 ≥- 25 % Lower torque threshold
frequency 2
Subtract 25 % of the torque reading taken at 30 Hz
P2189 ≥+ 25 % Upper torque threshold
frequency 3
Add 25 % to the torque reading taken at 50 Hz
P2190 ≥- 25 % Lower torque threshold
frequency 3
Subtract 25 % of the torque reading taken at 50 Hz
P2192 Suggest
65 s
Time delay for belt failure Defines a delay before warning / trip becomes active. It is
used to eliminate events caused by transient conditions. It is
used for both methods of fault detection
8.2 Belt failure detection with sensor
Carry out quick commissioning and modify the parameters for normal operation, then proceed as follows:
SED2
Fan
5192Z23en
Sensor
Motor
8.2.1 Parameter setting
Start with quick commissioning according to application example 1
Par. no. Value Parameter function Function selection
P0003 3 User access level Expert access
P0400 3 Encoder type
External encoder (the encoder can only be connected
to digital input 5, terminals 9 and 16)
P0409
Pulses / s
at rated freq.
Speed (rpm) / 60 s
E.g. 2820 / 60 = 47
P2181 6 Belt failure detection mode
Trip on high / low torque / speed
P2191 3 Belt failure speed tolerance
P2192 10 s Time delay for belt failure