Pepperl+Fuchs 7500 Series - Control Unit Technical Data

11
7500 Series Manual
4.1.1 Technical Data—Control Unit
General specifications
Equipment architecture max. enclosure size 450 ft
3
(12.7 m
3
)
Operating mode fully automatic (FA)
Series 7500
Hazardous environment gas or dust
Supply
Rated voltage U
r
20 ... 30 V DC at 0.1 A
90 ... 250 V AC, 50 ... 60 Hz at 0.04 A without solenoid valve
Supply voltage can be line-to-line or line-to-neutral, single phase
OVC II
Power consumption max. 2.7 W / 7.3 VA without valve
Accuracy pressure readings: ± 2 %
timers: ± 5 %
Electrical specications
Connection screw terminals—see manual for specications on wire size and
torque values
Output
Output I
Connection K1, terminals, 1 x NO
Output type enclosure power contacts
Contact loading 5 A at 250 V AC , 5 A at 30 V DC, relays must be externally fused
inrush current: 50 A
Output II
Connection K2, terminals, 1 x NO
Output type alarm and control contacts
Contact loading 5 A at 250 V AC , 5 A at 30 V DC, relays must be externally fused
inrush current: 50 A
Output III
Connection K3, terminals, L1 powered contact
Output type solenoid manifold, contact
Inrush current 5 A
Contact loading 0.5 A at 250 V AC , 0.5 A at 30 V DC, relays must be externally fused
Indicators/settings
LED indicator K1: Green - Contact K1 is energized (enclosure contacts)
K2: Amber - Contact K2 is energized (alarm/control contacts)
P/SV: Blue - Safe pressure P1 (minimum enclosure pressure)
P/SV: Amber - Solenoid manifold is energized (purging/pressure
compensation)
Pneumatic parameters
Protective gas supply compressed air or inert gas, 5 µm lter, free from oil
Pressure requirement supply pressure: 20 ... 120 psig (1.4 ... 8.2 bar)
Safe pressure 0.25 in wc (0.63 mbar) minimum for gas
0.65 in wc (1.63 mbar) minimum for dust
Enclosure pressure 0 ... 10 in wc (0 ... 25 mbar)
Conformity
Ambient conditions
Ambient temperature -40 ... 70 °C (-40 ... 158 °F) at T4 / T80°C
-40 ... 65 °C (-40 ... 149 °F) at T5 / T75°C
-40 ... 50 °C (-40 ... 122 °F) at T6 / T60°C
Storage temperature -40 ... 80 °C (-40 ... 176 °F)
Altitude max. 2000 m
Relative humidity 5 ... 90 %, non-condensing