Siemens COMBIMASTER Reference Manual page 33

Parameter
P081
Nominal frequency for
motor (Hz)
P082
Nominal speed for
motor (RPM)
P083
Nominal current for
motor (A)
P084
Nominal voltage for
motor (V)
P085
Nominal power for
motor (kW/hp)
P086 • • • •
Motor current limit (%)
P087
Motor PTC enable
P089 • • • •
Stator resistance (Ω)
P091 • • • •
Serial link slave
address
32
Function Range
[Default]
0 -
fmax**
[!!!]
0 - 9999
[!!!]
0.1 - 99.9
[!!!]
0 – 1000
[!!!]
0-100.0
[!!!]
0 - 250
[150]
0 - 1
[0]
0.01-
100.00
[!!!]
0 - 30
[0]
COMBIMASTER & MICROMASTER Integrated
Description / Notes
COMBIMASTER: These parameters are set in the factory
and should not be changed under normal circumstances.
MMI : Motor data should be entered here
.
The motor current can be limited with this parameter. If the
set value is exceeded, the output frequency is reduced until
the current falls to this limit. During this process, both LEDs
will flash (see Operating Information, Section 5).
Motor Current Limit - Overload Time to trip
165
150% and above will trip in one minute
160 160
155
150 150
145
140 140
135
130 130
125
120
115
At 111% the drive will trip after 28 minutes
110
110% and below will run forever
105
100
0 30 60 90 120 150
Tim e/Seconds
Change this parameter only when the PTC option is fitted.
0 = Disabled
1 = Motor PTC enabled
If P087 = 1 and the Motor PTC input goes high then the
inverter will trip (fault code F004). Note that if the internal
PTC gets too hot, the inverter will trip (fault code F005).
PTC Thresholds : Not tripped :<1k5Ω
Typical Trip : >9kΩ
Guaranteed trip : >25kΩ
COMBIMASTER :Set in the factory. Do not adjust!
MMI : Set for value for Siemens motor. Adjust if required for
other motors
Up to 31 COMBIMASTERS can be connected via the serial
link and controlled by a computer or PLC using the USS
protocol. This parameter sets a unique address for the
inverter.
Siemens plc. 1999
©
REFERENCE MANUAL
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115
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