26
VERSION 10/2018
ORDER NUMBER DOC 2339321
.
5.5.2 CONTROL UNITS WITH TURBINES
Unit
TwinControl control units with turbines
Minimum/maximum input air pressure
MPa; bar; psi
0.6–0.8; 6–8; 87–116
Nominal air consumption
NL/min
125
Permissible ambient temperature range
°C
+5 ... +40
°F
+41 ... +104
Protection class
Compressed air quality: free from oil and water
Quality standard 7.5.4 according to ISO 8573.1, 2010
7: Particle concentration 5 – 10 mg/m³
5: Humidity: pressure dew point ≤ +7 °C
4: Oil content ≤ 5 mg/m3
Explosion protection identification
(see Chapter
)
Rated safety data
Potentiometer connection A or B
in Ex ia IIB type ignition protection
Connection of maximum values
Unit
Potentiometer A and B
Maximum high voltage
12.6
Maximum current
73.6
Maximum power
232
Maximum external capacity
7.3
Maximum external inductivity
26
The above-mentioned values for the maximum permissible external capacities and
inductances are only valid as long as they do not occur simultaneously. If the external
reactances are present simultaneously, the values are to be taken from the following table.
Maximum permissible external inductance
0.1
0.2
0.5
1
2
5
10
20
Maximum permissible external capacity
7.3
6
4.6
3.7
3.1
2.3
1.9
1.4
Remote control connection
in Ex ia IIB type ignition protection
Connection of maximum values
Unit
Connection RC
Maximum high voltage
12.6
Maximum current
154
Maximum power
484
Maximum external capacity
7.3
Maximum external inductivity
6
The above-mentioned values for the maximum permissible external capacities and
inductances are only valid as long as they do not occur simultaneously. If the external
reactances are present simultaneously, the values are to be taken from the following table.
Maximum permissible external inductance
0.1
0.2
0.5
1.0
2.0
5.0
Maximum permissible external capacity
7.3
5.9
4.4
3.5
2.7
1.8
