4 Product description
Maschinenfabrik Reinhausen GmbH 202036 6385142/08 ENETOS
®
ED
4.5.7.2 CPU (central processing unit) I
The CPU I assembly is the central processing unit for the device. It contains
the following interfaces:
▪ Internal system interface RS232 (COM1)
▪ Serial interface RS232/485 (COM2)
▪ 3x Ethernet (ETH1, ETH 2.1, ETH 2.2)
▪ USB (USB 2.0)
▪ 2x CAN bus (CAN 1, CAN 2)
CPU
CAN 1
1
9
CAN 2
1
9
COM 1
1
9
COM 2
1
9
-
+
24V DC
RUN
INIT
ERR
USB2.0
4
62
A
8
C
H
TEST
PROG
RUN
4
62
AE
0 8
C
L
ETH 1 ETH 2.1 ETH 2.2
Figure12: CPU I assembly
4.5.7.3 Voltage measurement and current measurement
The UI1 assembly is used for measuring 1-phase voltage and current.
Figure13: UI 1 assembly