Quality Monitoring Instruments QMI MULTIPLEX Manual page 51

CHANGING THE NUMBER OF DETECTOR HEADS
Setting up the QMI MULTIPLEX System CMU for a different number of Detector Heads.
The QMI MULTIPLEX can have a total of 12 Detector Heads plugged into it. The display will
show 12 positions illuminated.
The number of Detector Heads in use can be adjusted by switches located on the back of the
MP12 PCB v 3.2. The 10-way Binary switch located on MP12 PCB v 3.2.
Switches 1 to 4 are for the number of Detectors to be set up.
Detector Heads required
01
02
03
04
05
06
07
08
09
10
11
12
Switch 5 is for the oil mist range.
With Switch 5 set to OFF the range is from 0 up to 1.30mg/L
With Switch 5 set to ON the range is from 0 up to 2.00mg/L
After changing the set Switch from OFF to ON or ON to OFF, the alarm levels should be
adjusted for each channel.
Switch 6 should always be set to OFF.
Switch 7 should always be set to OFF.
Switch 8 should always be set to OFF.
Switch 9 is for Channel selection display.
Switch 9 is set to OFF the Monitor display will show Channels 1 - 12.
Switch 9 is set to ON the Monitor display will show Channels 13 - 24.
If a change is made to Switch 9, the Monitor will need to be reset by placing the magnetic pen
over the Reset circle, or turning the key a quarter turn, and then back.
Switch 10 should always be set to OFF.
EM6/March 2015
EMAIL qmi@oilmist.com WEBSITE www.oilmist.com 4 East Barnet Road, London, EN4 8RW, UK. TEL +44 (0)20 7328 3121
Engine Oil Mist Detection System
MULTIPLEX
Switch 1 Switch 2
on off
off on
on on
off off
on off
off on
on on
off off
on off
off on
on on
off off
Switch 3 Switch 4
off off
off off
off off
on off
on off
on off
on off
off on
off on
off on
off on
on on
Running Procedure Part3-7