35
8024252/AE00/V1-0/2020-07| SICK
O P E R A T I N G I N S T R U C T I O N S | ZIRKOR200 Ex-D
Subject to change without notice
INSTALLATION
5
5.10.5
Control unit electrical connections
Fig. 14: Control unit electrical connections
1 2 3 4 5 6 7 8 9 10 111213141516
171819202122232425262728293031323334
A
B
L N PE
L
H
N
H
PE
1
4
5
6
A
A
A
A
A
A
C
B
D
7
2
3
8
E
9
10 11
X5
X4
X10
12
3
4
5
6
12
14
13
F
L
V
N
V
PEPEPE
A
Ferrite sleeves (included)
D
Analog output cable (not included)
B
Power voltage cable (not included)
E
Status signal cable (not included)
C
Probe cable (included)
F
Optional pressure transmitter, analog input cable
(ZIRKOR Ex-D only) (option, customer-side)
1
Energy supply: 115/230 V AC; 50/60 Hz
7
Analog outputs (active, 4-20 mA)
L
1
17A
+
O
2
2
N
Neutral conductor
17B
-
O
2
3
PE
Protective conductor
8
Relay contacts for status signals, potential-free
2
Functional grounding.
18 A/B
Maintenance
4
PE
Protective conductor
19 A/B
System fault
5
PE
Protective conductor
20 A/B
Output O
2
measuring range
6
PE
Protective conductor
21A/B
O
2
limit value alarm 1
3
Shielding
22A/B
O
2
limit value alarm 2
4
Power supply, probe heating, 115 V AC
9
Probe solenoid valve
8
LH
Black, phase
23 A Internal power supply for
9
NH
Blue, neutral conductor
23 B
Probe solenoid valve (115 VAC)
10
PE
Green/yellow, protective
conductor
24A
LV
Grey
5
O
2
sensor signal
24B
NV
Grey/blue
12
+
Brown
10
Measuring range switch O
2
(12..24V DC - external supply)
13
-
Brown/white
25A
+
6
Thermoelement (O
2
sensor)
25B
-
14
+
Green
11
Adjustment release (12..24V DC - external supply)
15
-
White
27A
+
27B
-
