User manual
Monitor UPC-900
User Manual 18-1125-55 Edition AE
8
2 Installation
2.6 Connecting electrical signal cables
The sockets for electrical signals are located on the rear panel.
Connecting to chart recorder (if used)
The external chart recorder outputs for UV, pH and conductivity
from the monitor are 0–1 V.
1 Connect the chart recorder to the mini-DIN-socket
Analogue
out 0-1 V
using the cable supplied. Pin designations for the
signals are as follows:
Pin no. Signal Range Value (full scale)
1 UV 0-1 V 0.001-5 AU
2 signal ground 0 V -
3 conductivity 0-1 V 0.1 mS/cm-999.9 mS/cm
4 signal ground 0 V -
5 pH 0-1 V 0-14
6 signal ground 0 V -
Note: The signal cable is delivered with protective covers on each
wire. Do not remove the protective covers from unused connections
as a short circuit may disturb the measurements.
2 Set the recorder to 0–1 V input, full scale.
2.7 Connecting to a communication link
The monitor can be used as a stand-alone module or in ÄKTA
FPLC
.
As a stand-alone module, it is controlled from the front dial and
display. In ÄKTA
FPLC
, the monitor is controlled from a PC running
UNICORN
™
version 3.0 or higher via UniNet 1 cables, or manually
from the front dial and display.
CAUTION! The mains power to ÄKTA
FPLC must be switched
OFF before connecting the module to the UniNet 1 link.
1
2
3
4
5
6
Voltage Frequency Power, max
100-200 V- 50-60 Hz 30 VA
Conductivity
Flow Cell
pH-Ground pH-Probe
Optical
Unit
Analogue
out 0-1 V
UniNet 1
Mains
Lamp