Lenze EVS9332xS User Manual Page 104

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Wiring of the standard device
Standard devices in the power range 0.37 ... 11 kW
Motor connection
5
5.4
5.4.6
5.4−9
EDSVS9332S EN 6.0−07/2013
Wire T1, T2 only if the motor is equipped with a PTC thermistor or thermal
contact (NC contact).
ƒ An "open" cable acts like an antenna and can cause faults on the drive
controller.
Danger!
ƒ All control terminals only have basic insulation (single
isolating distance) after connecting a PTC thermistor or a
thermal contact.
ƒ Protection against accidental contact in case of a defective
isolating distance is only guaranteed through external
measures, e.g. double insulation.
PE
U
VW
T1 T2
+UG -UG
PES
PES
PE
M
3~
J>
PES
PES
PES
2.7 k
MONIT-OH8
15 V
3.3 k
7.4 k
9300vec139
Fig. 5.4−5 Circuit diagram of motor connection with PTC thermistor or thermal contact (NC
contact) at T1, T2
Characteristics of the connection for motor temperature monitoring:
Terminals T1, T2
Connection
l PTC thermistor
PTC thermistor with defined tripping temperature (acc. to
DIN 44081 and DIN 44082)
l Thermal contact (NC contact)
Thermostat as NC contact
Tripping point l Fixed (depending on the PTC/thermal contact)
l PTC: RJ
> 1600 W
l Configurable as warning or error (TRIP)
Notes l Monitoring is not active in the Lenze setting.
l If you do not use a Lenze motor, we recommend the use of a PTC
thermistor up to 150°C.
Motor with PTC thermistor or
thermal contact (NC contact)
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