4 Electrical connection
References to other information
•
The electromagnetic compatibility meets the standards and regulations cited in the techni-
cal data.
•
The USB device interface and voltage supply in the central processing unit 705001 are not
electrically isolated. In general, please observe the specifications regarding electrical isola-
tion.
4.2
Electrical isolation
USB device
interface
USB host
interface 1
USB host
interface 2
System bus In
System bus Out
38
AC 1500 V
AC 1500 V
Voltage supply
DC 24 V
AC 1500 V
LAN
AC 30 V
DC 50 V
Interface Com1
AC 30 V
DC 50 V
Interface Com2
AC 1000 V