4 Electrical connection
20
Connector
summary
4.3 Overview of the electrical isolation
Connector/slot Function
1 Relay output
2 RS232 for barcode reader
3 PROFIBUS-DP
4 Supply voltage
5 USB host interface
6Ethernet
7 RS232 and RS485
8 Analog input
9 Analog input or binary inputs/outputs
10 Analog input
11 Analog input or binary inputs/outputs
12 Analog input
13 Analog input or binary inputs/outputs
14 Relay card (for instrument variant 1)
15 USB device interface
Binary
inputs/outputs
Ethernet
interface
Relay
contacts
Test voltage
contacts to
relay coil
2.3kV AC
Test voltage
AC supply: 2.3kV / 50Hz
AC/DC supply: 2.3kV / 50Hz
RS232 for
barcode reader
Supply
AC or AC/DC
Serial interface
RS232 / RS485
CompactFlash
memory card
USB
interfaces
Analog input 1 — 18