9
8
7
6
5
4
3
2
1
Function
1
Signal
Pin
Active = lamp on, inactive = lamp off
Remote on/off
1
From inactive to active > 100 ms = Autozero
Autozero
2
From inactive to active > 100 ms = Event mark
Event mark
3
-
4
Common ground for all signals
0 V
5
-
6-9
1
Active status = low or closed terminal to pin 5 (0V)
Connecting to communication
link
When used as a stand alone module the monitor is controlled from the front panel. The
monitor can also be used in ÄKTAexplorer or ÄKTApurifier and controlled from a PC
running UNICORN™ version 3.21 or higher, using UniNet cables.
Connect two UniNet cables to the UniNet-1 connectors. The instrument can be connected
in series anywhere in the chain between the PC and the termination plug. The UniNet-1
link connects, in series, the PC with Pump P-905, Monitor pH/C-900 and Monitor UV-900.
The termination plug is connected to the last instrument in the chain.
Connecting to supply voltage
Action
Step
Make sure the On/off switch is in the OFF position (O).
1
Monitor UV-900 Operating Instructions 28962214 AD
39
4 Installation
4.5 Connecting electrical cables
