Siemens SIMATIC IFP Basic Series Operating Instructions Manual page 31

Connection sequence
Connect the device in the following sequence:
1. Earth connection (Page 32)
2. Power supply (Page 33)
Perform a power-up test to ensure the power supply is connected with the correct
polarity.
3. Connecting IFP Basic to a PC (Page 35)
4. I/O devices (Page 36), if needed
Note
Damage to the device
Failure to adhere to the connection sequence can damage the device.
Make sure you connect the device according to sequence listed above.
You disconnect the device in the reverse order.
Connecting the cables
NOTICE
Observe local installation regulations
Observe the local installation guidelines and the local installation conditions, such as
protective wiring for power supply cables, when connecting the cables.
Short-circuit and overload protection
Different measures for short-circuit and overload protection are required when setting up an
entire plant. The type of components and the level of obligation for the protective measures
depends on the regulation that applies to your plant configuration.
● When connecting the cables, make sure that you do not bend the contact pins.
● Secure each cable connector with a cable tie.
● Provide adequate strain relief for all cables.
● The pin assignment of the ports is described in the technical specifications.
IFP Basic
Operating Instructions, 03/2019, A5E46178354 - AB
WARNING
Life-threatening voltages are present if the device not correctly isolated.
If you touch the device, you may be killed by electric shock.
Do connect the PE conductor before you power on the device.
Installing and connecting the device
3.3 Connecting the device
31