Installation | 5
Instruction Manual COBRA NC 2500 B WCV_EN_en
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5.8 Electrical Connection of the Monitoring Devices
NOTE
In order to prevent potential nuisance alarms, Busch recommends that the control sys-
tem is configured with a time delay of at least 20 seconds.
5.8.1 Wiring Diagram Resistance Thermometer
Part no.:
PT100:
0651 550 436
Transmitter: 0643 536 800
U
i
= 30 VDC ; I
i
= 100 mA ; P
i
= 750 mW ;
L
i
= 0 µH ; C
i
= 0 pF
4 ... 20 mA
►
0 ... 300 °C
Trip signal (Cooling liquid / TSA1)
T
trip
: 70 °C
Trip signal (Exhaust gas / TSA2)
T
trip
: 245 °C
Wiring with transmitter:
2
1
+
-
1
2
3
4
5
6
+
-
1 = Brown ; 2 = Blue
Wiring without transmitter
1
2
3
4
1 and 2 = Red ; 3 and 4 = White
5.8.2 Wiring Diagram Vibration Diagnostic Unit
Part no.:
Vibration sensor “CTC”:
0658 569 597 + Diagnostic electronics VSE100
Supplier reference:
Vibration sensor “CTC”: Connection Technology Center (CTC) AC915-9C
Diagnostic electronics IFM VSE100
Maintenance procedure:
Procedure D
P&ID position:
SA+/0701
Electrical data:
U = 24 VDC ; I = 200 mA
Normal operation Warning signal
Trip signal
Digital output I/O 1
24 V (100 mA)
0 V
0 V
Output 2
24 V (100 mA)
24 V (100 mA)
0 V
Output 1 analog signal
4-20 mA
4 to 15 mA
>15 to 18 mA
>18 mA
WARNING
If the monitoring sensors are not used.
Risk of explosion!
• Always use the mandatory monitoring sensors.
