WARNING
Danger due to high voltages after a safety shutdown
In spite of a safety shutdown function, the drive may still be operational or high voltages may
still be present.
Residual voltages can result in death, severe injury or significant material damage. The
"Safety shutdown" function can neither ensure that the drive stops immediately nor can it
ensure that residual voltages do not still exist at the output terminals and within the unit.
● Make sure that the drive no longer rotates and that there are no high voltages present.
3.4.3 Description of the components
3.4.3.1 SINAMICS Control Unit
The CU320-2 PN Control Unit is the central control module of the drive's open-loop and closed-
loop control system. The connections are wired internally to the customer terminal block.
3.4.3.2 DRIVE-CLiQ interface
Table 3-1 DRIVE-CLiQ interface
Pin Signal name Technical data
1 TXP Transmit data +
2 TXN Transmit data -
3 RXP Receive data +
4 Reserved, do not use
5 Reserved, do not use
6 RXN Receive data -
7 Reserved, do not use
8 Reserved, do not use
A + (24 V) Power supply
B M (0 V) Electronics ground
Blanking plate for DRIVE-CLiQ interface: Molex, order number: 85999-3255.
The maximum DRIVE-CLiQ cable length is 50 m.
3.4.3.3 Voltage Sensing Module
The VSM10 Voltage Sensing Module measures the actual line voltage values. The connections
are wired internally to the customer terminal block.
Description
3.4 Closed-loop control
SINAMICS GL150 6SL38503UM114PA0Z
40 Operating Instructions Rev.201910301420 MUSTER
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