Options - SEW-Eurodrive DR2..71/BE Series Operating Instructions Manual

5.14

Options

Connect the options as shown in the wiring connection diagrams provided with the
motor. You can obtain the valid wiring diagrams free of charge from
SEW‑EURODRIVE.
INFORMATION
Do not connect any options if the wiring diagram is missing.
5.14.1 Temperature sensor /TF
NOTICE
Impermissible heating of the motor due to defective /TF temperature sensor.
Damage to property.
•
•
The PTC thermistors comply with DIN 44082.
Resistance measurement (measuring instrument with V ≤ 2.5 V or I < 1 mA):
•
When using the temperature sensor for thermal monitoring, the evaluation function
must be activated to maintain reliable isolation of the temperature sensor circuit. The
thermal protection function must become active in case of overtemperature.
If there is a 2nd terminal box for the TF temperature sensor, this is where you must
connect the temperature sensor.
Observe the provided wiring diagram for the connection of the TF temperature sensor.
If the wiring diagram is missing, you can obtain it from SEW-EURODRIVE free of
charge.
Do not connect any voltages > 30 V to the /TF temperature sensor.
Observe the provided wiring diagram for the connection of the temperature
sensor /TF.
Standard measured values: 20 – 500 Ω, hot resistance > 4000 Ω
Electrical installation
Options
Operating Instructions – AC Motors
5
101