Lenze EVS9321 Montageanleitung Seite 164

5 Electrical installation
Standard devices in the power range 15 ... 30 kW
Motor connection
Motor with PTC thermistor or thermal contact (NC contact)
Wire T1, T2 only if the motor is equipped with a PTC thermistor or thermal contact
(NC contact).
An "open" cable acts like an antenna and can cause faults on the drive controller.
ƒ
{
Danger!
ƒ
ƒ
2.7 k
T1 T2
PES
PES
Fig. 5−11
164
All control terminals only have basic insulation (single isolating distance)
after connecting a PTC thermistor or a thermal contact.
Protection against accidental contact in case of a defective isolating
distance is only guaranteed through external measures, e.g. double
insulation.
15 V
7.4 k
3.3 k
MONIT-OH8
PE U V W +UG -UG
PES
PES
J>
PES
M
PE
3~
Circuit diagram of motor connection with PTC thermistor or thermal contact (NC contact) at T1, T2
l
9300vec139
EDKVS9332X DE/EN/FR 4.0