S&P AIRSENS RF CO2, Manual

Page: 16 / 64

16
EN
MF3: 2 -10Vdc output
+ Modbus (reading)
Adjustable α angle via
P1 potentiometer
ɲ
Input
Output
10V
2V
450ppm
45%HR
2000ppm
100%HR
800ppm
60%HR
MF4: Modbus control
Access to all operating modes and parameters via Modbus
communications (see Fig.3).
Note: If other switch combination is chosen, LED diffuser is switched off and digital/
analogue signals are inoperative.
P1 potentiometer
position
(%)
MF1 mode: Set Point
MF2/MF3 mode: Upper limit
ppm HR
0 800 60
5 860 62
10 920 64
15 980 66
20 1040 68
25 1100 70
30 1160 72
35 1220 74
40 1280 76
45 1340 78
50 1400 80
55 1460 82
60 1520 84
65 1580 86
70 1640 88
75 1700 90
80 1760 92
85 1820 94
90 1880 96
95 1940 98
100 2000 100