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TECHNICAL DATA
Sensor Supply Unit / Control Unit (NivOil CU)
Operating voltage
230V AC 50...60Hz
Safety-related maximum voltage
UM = 250V AC
Power consumption
9W / 11VA (if 3 probes are connected)
Wall-mounted housing
240x120x70mm
Protection
IP65
Ambient temperature
-20°C ... +60°C
EU Type Examination Certificate BVS 07 ATEX E 090
Ex-maximum values
The maximum permissible values (U₀, I₀, P₀ and C₀, L₀) of the intrinsically safe measuring circuits were
taken from the type examination certificate/type plate for each channel and in combination with the NivOil
probes.
Ex marking
㐀 II (1)G [Ex ia Ga] IIB/IIA
(associated electrical equipment)
Probe inputs
3 universal inputs, self-configuring, for probes of the types NivOil OP, HP / HPS or SP
Monitoring
The probes are monitored for cable breakage and short circuit
Signalling
Per channel: 1x green LED each for operating and 1x red LED each for alarm message
Alarm buzzer integrated, can be switched off via DIP switch
Operating
Membrane push-button for test and buzzer acknowledgement internal 4-fold DIP switch
Alarm relay
3 output relays, 230V AC, 3A, one potential-free changeover contact assigned to each measuring channel
Relay contact circuits
Current type
AC
DC
Voltage
250V
250V
24V
110V
220V
24V
110V
220V
Current
5A
3A
6A
0.5A
0.3A
1.5A
0.22A
0.14A
Power
100VA
-
144W
55W
66W
20W
20W
20W
Cos
-
≥0.7
-
L/R
≤40ms
Intrinsically safe circuits
Version
Sensor supply unit (NivOil CU)
Circuit parameters
per channel
Sum
Channel designation
E1, E2, E3
E1 + E2 + E3
Clamps
Terminal (+), Terminal (-)
Terminal (+), Terminal (-)
Voltage Uo
17.8V
17.8V
Current Io
156mA
468.5mA
Power Po
695mW
2084mW
Max. external capacity Co
IIB
1.84µF
1.84µF
(no mixed parameters)
IIA
7.9µF
7.9µF
Max. external inductance Lo
IIB
5.8mH
648µH
(no mixed parameters)
IIA
11.6mH
1296µH
Max. Inductance resistance ratio Lo/Ro
IIB
204.6µH/Ω
68.2µH/Ω
IIA
409.3µH/Ω
136.4µH/Ω
Characteristic
linear
LEV
21-03-2023
M-531.01-EN-AI
OIL/LIGHT LIQUID
SEPARATOR MONITORING
NivOil - (translation)
22, Rue de la Voie des Bans · Z.I. de la gare · 95100 ARGENTEUIL
Tel
Fax
+33 (0)1 30 25 83 20
+33 (0)1 34 10 16 05
Web
www.bamo.eu
INTERNATIONAL
531-01
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