Wiring the screw-type terminal block
The required 24 V DC load power supply is wired to the screw-type terminal block (X1).
DANGER
Danger of death caused by unsafe power supply
The 24 V direct voltage is to be congured as an extra-low voltage with protective separation
- DVC A or PELV according to EN 61800-5-1.
Power cables
Table 9-36 Cable specication at X1
Characteristics Version
Connection option Up to 2.5 mm
2
Current carrying capacity max. 10 A
Max. cable length 10 m
Use exible cables with a cross-section of 0.25 to 2.5 mm
2
(or AWG 23 to AWG 13) for wiring the
power supply according to the maximum current that ows.
If you only use one wire per connection, an end sleeve is not required.
You can use end sleeves without an insulating collar in accordance with DIN 46228, Form A long
version.
9.3.4.3 X2 PROFINET
Data Transmission Rate and Cables
For PROFINET, you require a data transmission rate of 100 Mbit/s (Fast Ethernet). The interfaces
are designed for full-duplex mode; in other words, the ports can both transmit and receive. For
data transfer purposes you can use electrical twisted copper cables (twisted pair, 4-wire,
100Base-T):
• The transmission characteristics of these cables must meet the requirements of CAT5.
• The maximum length of the connections between the end device and network component
or between two network components (e.g. switch ports) must not exceed 100 m.
Pin assignment
Table 9-37 PROFINET interfaces X2, ports 1, 2
Pin Signal name Signal type Meaning
1 TX+ O Transmit data +
2 TX- O Transmit data -
3 RX+ I Receive data +
4 N.C. - Reserved, do not use
Connectable components
9.3 PP 72/48D 2/2A PN
NCU 7x0.3B PN
Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1 125
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