Electrical installation – Lenze EVF9338 User Manual
Page 89

Electrical installation
Motor connection
Wiring of motor temperature monitoring
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89
EDKVF9338 DE/EN/FR 4.0
Characteristics of the connection for motor temperature monitoring:
Terminals T1, T2
Connection
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PTC thermistor
– PTC thermistor with defined tripping temperature (acc. to DIN 44081 and
DIN 44082)
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Thermal contact (NC contact)
– Thermostat as NC contact
Tripping point
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Fixed (depending on the PTC/thermal contact)
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PTC: R
J
>
1600
W
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Configurable as warning or error (TRIP)
Notes
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Monitoring is not active in the Lenze setting.
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If you do not use a Lenze motor, we recommend the use of a PTC thermistor up
to 150°C.
Motor with KTY thermal sensor
)
Note!
ƒ
We recommend to use Lenze system cables for wiring.
ƒ
For self−made cables only use cables with shielded cores twisted in pairs.
PE U V W
T1 T2
+UG -UG
PES
PES
PE
M
3~
PES
PES
KTY
X8/5
X8/8
PES
X8
X9
X10
9300vec121
Fig. 5−8
Connection of KTY thermal sensor at incremental encoder input X8
Characteristics of the connection for motor temperature monitoring:
Pins X8/5, X8/8 of incremental encoder input (X8)
Connection
Linear KTY thermal sensor
Tripping point
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Warning: Adjustable
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Error (TRIP): Fixed at 150 °C
Notes
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Monitoring is not active in the Lenze setting.
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The KTY thermal sensor is monitored with regard to interruption and short
circuit.