Connecting
5
This chapter describes how to wire up the transmitter. How to wire up the sensor is described
in the sensor installation manual.
● Preparing for the connections (Page 40)
● Connecting channels 2 to 4 (Page 42)
● Connecting the power supply (Page 47)
● Connecting Modbus (Page 41)
● Connecting channels 5 and 6 (Page 46)
● Finishing the transmitter connection (Page 48)
For connection of the sensor, see the relevant sensor Installation Manual.
5.1 Basic safety notes
5.1.1 Missing PE/ground connection
WARNING
Missing PE/ground connection
Risk of electric shock. May cause death or serious injury.
Depending on the device version, connect the power supply as follows:
● Power plug: Ensure that the used socket has a PE/ground conductor connection. Check
that the PE/ground conductor connection of the socket and power plug match each other.
● Connecting terminals: Connect the terminals according to the terminal connection
diagram. First connect the PE/ground conductor.
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 29