Burkert Type 8640 - Manual (Page 13)

13
Technicaldata
6. TECHNICAL DATA
6.1. Operating conditions
Ambient temperature: 0 ... +50 °C
Storage temperature: -20 ... +60 °C
Nominal operating mode: Long-term operation (100% ED)
Operating voltage: 24 V / DC ± 10 %, residual ripple for field bus interface 1 Vss
Protection class: 3 in accordance with VDE 0580
Power consumption: Power consumption is dependent on the type of electrical connection technology.
1. For the collective socket (parallel connection technology), and multi-pole interfaces power consumption is
determined by the valve type used, but limited to a total current of 3 A maximum. For a multi-pole solution
combined with repeaters there is a further summed current, also limited to a maximum of 3 a.
2. For the field bus interface the total current can be determined according to the equation:
l
total
= I
base
+ (n x I
valve
) + (m x l
repeater
)
I
base
base current dep. on field bus system
PROFIBUS-DP V1
200 mA
DeviceNet 200 mA
CANopen 200 mA
n number of valves
m number of repeaters
I
valve
nominal current of valve type
l
repeater
power consumption of repeater
(m x I
repeater
) = max. 650 mA
NOTE!
Always use safety low voltage according to protection class 3 VDE 0580!
6.2. Conformity
Type 8640 conforms with the EC Directives according to the EC Declaration of Conformity.
6.3. Standards
The applied standards, which verify conformity with the EC Directives, can be found on the EC-Type Examination
Certificate and / or the EC Declaration of Conformity.
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Type 8640