Reference information A
Monitor UV-900 User Manual 18-1120-05 Edition AF
31
Reference information
A Description
A.1 Instrument
The Monitor UV-900 is a UV-absorpti on monitor with v ariabl e w av elen gth. The
instrument contains no internal user replaceable items.
Connect any auxiliary equipment to the 9-pole D–Sub female REMOTE
connector (5 V TTL signals only).
Connector/switch Function
Analogue out 0–1 V Recorder output, 3 channels 0–1 V
Remote Digital signal inputs, lamp on/off, autozero, event mark
UniNet 1 Computer network
Mains Supply volt age, grounded
On/off Instrument on/off switch
M
onitor U
V
-900
Analogue out
0-1V
Remote
UniNet 1 Mains On/off
12345
6789
Pin Signal Function
Active status = low or closed terminal to pin 5 (0V)
1 Remote on/off Active = lamp on, inactive = lamp off
2 Autozero From inactive to active > 100 ms = Autozero
3 Event mark From inactive to active > 100 ms = Event mark
4–
50 V
6–9 –