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5.9 Electrical Connection of the Monitoring Devices
NOTE
In order to prevent potential nuisance alarms, Busch allows that the control system is
configured with a time delay of 2 seconds.
NOTE
The accessories below are considered as standard.
If other specific components should be used, refer to the instruction manual of the ac-
cessory in question.
WARNING
If the monitoring sensors are not used.
Risk of explosion!
• Always use the mandatory monitoring sensors.
5.9.1 Wiring Diagram Resistance Thermometer
Part no.:
PT100 (Stainless steel): 0651 537 910
PT100 (Hasteloy): 0651 538 233
Transmitter: 0643 536 800 (optional)
Supplier reference:
PT100: Albert Balzer AG
ref. (Stainless steel): TFE/ BDAE
ref. (Hasteloy): TFE/ BVAE
Transmitter: Hauser
ref. TMT 187-B41FJA
Maintenance procedure:
P&ID position:
TSA+/0101 “flame arrester temp.”
TSA+/0102 “internal gas temp.”
TSA+/0103 “exhaust gas temp.”
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
Electrical data (PT100):
U
i
= 30 VDC ; I
i
= 100 mA ; P
i
= 0.1 (T4) … 0.75 (T3) W ;
L
i
= 0.015 mH/m ; C
i
= 280 pF/m
Electrical data (transmitter):
U
i
= 30 V ; I
i
= 100 mA ; P
i
= 0.76 W ; L
i
= 4.5 mH ; C
i
= 709 nF
4 ... 20 mA
►
0 ... 300 °C
Warning signal:
a warning signal can be
set prior the trip signal.
Trip signal:
see table below
Summary of Contents for COBRA ATEX NC 0100-0300 B
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