Siemens IFP1900 INOX PRO Compact Operating Instructions page 17

Procedure
1. Connect the protective conductor to the protective conductor connection
protective conductor connection is identified by the following symbol:
The following applies for devices with a protective earth symbol: The branch circuit which
the protective conductor connection is connected to must be protected with a Branch
Circuit Protective Device of 20 A.
The minimum cross-section of the protective conductor is 2.5 mm
The protective conductor connection is needed to protect the device and helps ensure
that interference signals generated by power lines, signal lines or lines to I/O devices are
safely discharged to earth.
2. Connect the lines for the power supply via the associated connecting terminal to the
connection for the power supply
Pin assignment: 1=24 V DC, 2=Ground
3. Connect the connectors of the data lines to the corresponding interface.
4. Secure the data lines with cable ties to the fastening elements in the connection
compartment that are marked in the following figure.
5. Place the seal of the connection compartment cover around the connection compartment.
Ensure that the latches of the seal lie in the associated notches and that the seal lies
flush on the device rear panel.
6. Fasten the connection compartment cover with 6 screws. Tighten the screws using a
torque of 3.5 Nm.
IFP1900 INOX PRO
Compact Operating Instructions, 07/2019, A5E35751632-AC
3.2 Mounting and connecting the device
①
.
Installing the device
⑥
. The
.
2
17