Installation and Operation Manual - DustEx
Installation
Doc.-ID: COM_OXI_Dust_11022020
1
2.5
Wiring Diagram of the Electronic Unit
Figure 7
-
Wiring diagram of the Electronic Unit
Ferrite sleeves (Enclosed)
Analogue output cable (customer)
Power supply cable (customer)
Status signal cable (customer)
Probe signal cable
Optional pressure transmitter analogue input cable
(OXITEC 5000 DustEx only) (customer)
Internal Power supply
1 L phase
2 N neutral
wire
Relay contacts for status signals - Potential free
3
PE
protection earth
18 A/B
Maintenance
1
The output voltage of
these contacts (4…6)
always have the same
voltage as on the
power supply input on
contacts (1…3)
Grounding
19 A/B System Error
4
PE
protection earth
20 A/B Output A O
2
measuring range
5
PE
protection earth
21 A/B Limit Alarm 1 (O
2
)
6
FE
functional earth
22 A/B Limit Alarm 2 (COe)
Shielding
Probe solenoid valve
Power supply probe heater (115V)
23
A
Internal Power supply for
probe solenoid valve (115VAC)
8 L black
23
B
9 N blue
24A L
grey
10
PE
green/yellow
24B N
grey/blue
O
2
sensor signal
Measuring Range O
2
(12..24V DC - Ext. supply)
12
+ brown
25A +
13
- brown/white
25B -
Thermocouple (O
2
sensor)
Calibration release (12..24V DC – Ext. supply)
14
+ green
27A
+
15
- white
27B -
Analogue outputs (active 4-20mA)
COe sensor (COMTEC 6000 DustEx only)
17A
+ O
2
32A
COe
sensor
white/red 2
17B
- O
2
32B
white/red 1
34A
+ COe
33A
COe
sensor
red 4
34B
-
COe
33B red
3