44
FMT230, FMT250
THERMAL MASS FLOWMETER | CI/FMT230/250-EN REV. B
… 7 Electrical connections
Connection on the device
PA Potential equalization
Figure 32: Connection to device
Connecting integral mount design
Perform steps
A
to
C
.
During the process, observe the following instructions:
• Lead the cable for the power supply into the terminal box
through the left cable entry.
• Lead the cables for the Modbus outputs and digital
outputs into the terminal box through the right cable
entry.
• Connect the cables in accordance with the electrical
connection. Connect the cable shields to the designated
grounding clamp in the terminal box.
• Connect the potential equalization (PE) on the ground
terminal to the terminal box.
• Use wire end ferrules when connecting.
Observe the following points when connecting to the power
supply:
• Adhere to the limit values of the power supply in
accordance with the information on the device name
plate.
• The cables must comply with IEC 227 or IEC 245.
• Complete the electrical connection in accordance with
the electrical connection diagram.
