Additional Installation Tips
7.6 Galvanic Isolation
USB
USB
RS232
RS422/485
+24 V DC
0 V
Filter
DC/DC
galvanic isolation
VCC
0 V (GND)
DC/AC
CFL
Ethernet
Internal electronics
1.5 m
The operator panel has galvanic isolation against the 24 V DC power supply
but no galvanic isolation between the communication ports for RS-232,
RS-422/RS-485 and USB. Only the Ethernet connection has galvanic isolation.
The operator panel has galvanic isolation against the 24 V DC power supply
but no galvanic isolation between the communication ports for RS-232,
RS-422/RS-485 and USB. Only the Ethernet- and RS-485 connection have
galvanic isolation.
Beijer Electronics, MAEN331
25
