Device ports and status indicators
PROmesh P20 - User Manual
11
Figure 4: Installation on and removal from the top-hat rail
Do not mount the
PROmesh P20
switches directly next to devices that emit strong
electromagnetic interference fields, such as transformers, contactors, frequency inverters, etc.
Do not mount the
PROmesh P20
switches directly next to devices that generate a lot of heat and
protect the switch against direct sunlight to prevent undesirable warming up. Protect the
PROmesh P20 against additional heat radiation and observe the approved temperature range for
storage and operation.
2.3 Voltage supply connection and fault relay
Operate your
PROmesh P20
with a nominal voltage of DC 12 V to 48 V. To safeguard your system
availability, connect the redundant supply circuits VDC1 and VDC2 with the appropriately marked terminals
of the supplied 7-pin terminal block adapter (VDC1, GND, as well as VDC2, GND). The voltage needs to
be an SELV/LPS-compliant voltage in acc. with IEC 60950-1 / EN60950-1 / VDE0805-1.
Always make sure that all connections are connected in the correct order, in accordance with the technical
specification on page 55.
The 7-pin terminal block at the top of the device is assigned as follows:
