Operation
8.4 Controlling the external connections of the inverter
Installation and Operating Instructions SINAMICS G180
Operating Instructions, 02/2019, 4BS0751-007
147
①
Potential for output (PTC) (-X3) max. 690 V
DVC C
②
Potential for digital outputs (-X2:37-42) max. 250 V
DVC C
Potential for digital outputs (-X2:30,31) max. 250 V
DVC C
Potential for digital outputs (-X2:32,33) max. 250 V
DVC C
Potential for digital outputs (-X2:34-36) max. 250 V
DVC C
Potential for digital outputs (-X2:43-45) max. 250 V
DVC C
Potential for digital outputs (-X2:46-47) max. 250 V
DVC C
Potential for digital outputs (-X2:48-49) max. 250 V
DVC C
③
Potential for digital inputs (-X2:1-26)
DVC A
Potential for ETV (ETV = input isolating amplifier, analog inputs -X2:27-29,50-58,
HTL tachometer -X101)
DVC A
Potential for ATV (output isolating amplifier, analog outputs -X2:60-67,70-71)
DVC A
Potential for control electronics/CB08 (inverter electronics, ext. display -X26,
sin/cos-tacho -X25, USB-A -X50A, USB-B -X50B)
DVC A
Potential for RS485 (ext. display/RS232 -X51)
DVC A
④
Potential SELV, safety extra-low voltage in accordance with EN 60950-1 (BUS
circuit boards)
DVC A
Figure 8-15 Insulation concept
DVC (Decisive Voltage Class) is the classification of the voltage range used to determine
protective measures against electric shock hazards
Table 8- 2
Limit values of the DVC according to EN 61800-5-1
DVC
Working voltage limits
Alternating voltage
(rms value)
Alternating voltage
(peak value)
Direct voltage
(average value)
A
25 V
35,4 V
60 V
B
50 V
71 V
120 V
C
1.000 V
4.500 V
1.500 V
D
> 1.000 V
> 4.500 V
> 1.500 V
For more detailed information about control cable terminals, please refer to section
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