Wiring The Terminal Strip - Siemens ZTH Getting Started

Macro 19: Three-wire control with
method 1
3.2.4

Wiring the terminal strip

NOTICE
Damage to the inverter when using long signal cables
Using long cables at the inverter's digital inputs and 24 V power supply can lead to
overvoltage during switching operations. Overvoltages can damage the inverter.
• If you use cables of more than 30 m at the digital inputs and 24 V power supply, connect
Danger to life as a result of hazardous voltages when connecting an 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 modules, only use power supplies
Converters with CU250S-2 Control Units
Getting Started, 10/2013, FW V4.6, A5E32899990B AA
Macro 20: Three-wire control with
an overvoltage protection element between the terminal and the associated reference
potential.
We recommend using the Weidmüller overvoltage protection terminal with designation
MCZ OVP TAZ DIODE 24VDC.
WARNING
with protective extra low voltage (PELV), Class 2.
method 2
3.2 Installing Control Unit
Macro 21: Fieldbus USS
Macro 22: Fieldbus CANopen
USS setting: 38400 baud, 2 PZD, PKW
variable
CANopen setting: 20 kBaud
Installing
29