Accessories
8.8 Braking resistor
Power Module PM240-2
136
Hardware Installation Manual, 01/2020, A5E33294624B AL
8.8.1
Connecting a braking resistor
Some braking resistors have an integrated connection cable for the power connections
(R1/R2) on the converter. Thus, the length and cross-section of the connection cable are
given.
For braking resistors without integrated connection cable, the maximum cable length is 10 m.
The required conductor cross-sections are contained in the following tables.
The conductor cross-sections for the temperature monitoring are contained in the Operating
Instructions of the Control Unit of your converter.
Monitoring the temperature of the braking resistor without line contactor control
The braking contactors for FSA … FSF converters are intrinsically safe braking resistors and
shut down in the event of overheating.
Figure 8-4
Connecting a braking resistor with temperature monitoring via digital input DI 3
Procedure
Proceed as follows to monitor the braking resistor temperature:
1.
Connect the temperature monitoring system of the braking resistor (terminals T1 and T2
on the braking resistor) to a free digital input at the Control Unit of the converter.
2.
When commissioning the drive, define the function of the digital input used as external
fault, using p2106.
As an example with temperature monitoring via digital input DI 3: p2106 = 722.3.
You have ensured that the temperature is monitored.
Содержание SINAMICS G120
Страница 1: ...Power Module PM240 2 ...
Страница 2: ......
Страница 6: ...Preface Power Module PM240 2 4 Hardware Installation Manual 01 2020 A5E33294624B AL ...
Страница 10: ...Table of contents Power Module PM240 2 8 Hardware Installation Manual 01 2020 A5E33294624B AL ...
Страница 116: ...Technical data 6 9 Service life Power Module PM240 2 114 Hardware Installation Manual 01 2020 A5E33294624B AL ...
Страница 118: ...Spare parts Power Module PM240 2 116 Hardware Installation Manual 01 2020 A5E33294624B AL ...
Страница 175: ......
Страница 176: ......