Operating Instructions
Internal 24 V supply of the terminal strip X9
As from function version 04 (FS04) of the power module, the terminal strip X9 has an internal
24 V supply. The load of the internal 24 V supply is however limited.
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Figure 4-30 Terminal strip X9 on the PM330 power module with an internal 24 V supply
Terminal strip -X41
As from function version 04 (FS04), the power module the has terminal strip X41. Terminal
strip X41 is used for controlling the Safe Torque Off (STO) safety function.
You will find further information about connecting the terminal strip X41 to the PM330 power
module in the Internet:
PM330 Hardware Installation Manual (
https://support.industry.siemens.com/cs/ww/en/view/
109748647)
4.5.8 Wiring terminal strips
WARNING
Electric shock due to unsuitable power supply
Death or serious injury can result when live parts are touched in the event of a fault.
● For all connections and terminals of the electronic boards, only use power supplies that
provide PELV (Protective Extra Low Voltage) or SELV (Safety Extra Low Voltage) output
voltages.
Installing
4.5 Connecting the interfaces for the inverter control
Converter with the CU230P-2 Control Units
Operating Instructions, 04/2018, FW V4.7 SP10, A5E34257946B AF 139