3 | Product description
BÜCHI Labortechnik AG
18/102
Operation Manual Interface I-300 Pro
Fig. 5: 8-pin MiniDin pin assignment, view of socket
Pin
8-pin notation
Symbol
Description
1
Ground
Ground connection for valve and 10 V
output
2
Valve
Vacuum valve connection
3
Spare
4
10 V output
0 – 10 V (max. 20 mA, min. 500 Ohm)
5
Relay In
Max. 30 V 2 A, electrically isolated
6
Spare
7
Spare
8
Relay Out
Max. 30 V 2 A, electrically isolated
S
Shield
Shield, connected to ground