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/
109742506)
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.
WARNING
Electric shock due to unsuitable motor temperature evaluation system
Voltage flashovers to the electronics of the inverter can occur in motors without safe electrical
separation of the temperature sensors in accordance with IEC 61800‑5‑1 when the motor
develops a fault.
● Install a temperature monitoring relay 3RS1… or 3RS2…
● Evaluate the temperature monitoring relay output using a digital input of the inverter, e.g.
using the "External fault" function.
You can find additional information about the temperature monitoring relay on the Internet:
Manual 3RS1 / 3RS2 temperature monitoring relays (https://support.industry.siemens.com/cs/
ww/en/view/54999309)
Installing
4.5 Connecting the interfaces for the inverter control
Converter with the CU230P-2 Control Units
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE 133
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