Burkert 3280 - Page 17

17
Technical data
Type 3280, 3285
Electrical
data
Standard Positioner Process controller
On-Off Control valve Analog
Digital
(Fieldbus)
Analog
Digital
(Fieldbus)
Input
impedance
for analog
input
- 60 Ω at
4...20 mA /
resolution
40 µA
22 kΩ at
0...10 V /
resolution
20 mV
60 Ω at
0...20 mA and
4...20 mA /
resolution 40 µA
22 kΩ at 0...5 V
and 0...10 V /
resolution
20 mV
- 60 Ω at 0...20 mA
and 4...20 mA /
resolution 40 µA
22 kΩ at 0...5 V
and 0...10 V /
resolution 20 mV
-
Analog output
(actual value
output)
- -
0...20 mA,
4...20 mA,
0...5 V, 0...10 V
(adjustable, see
chapter “8.3”)
- 0...20 mA,
4...20 mA,
0...5 V, 0...10 V
(adjustable, see
chapter “8.3”)
-
Analog output - - max. current for
voltage output
10 mA
max. load for
current output
560 Ω
- max. current for
voltage output
10 mA
max. load for
current output
560 Ω
-
Digital output active, max. 100 mA
current limitation, PNP,
switching voltage =
U
supply
-1 V
short-circuit proof
- - - -
Limit switch contactless end position
detection
- - - -
Position mea-
suring system
- non-contact, high resolution, and
thus wear-free position measuring
system
non-contact, high resolution, and thus
wear-free position measuring system
Param-
eterization
interface
- büS or
CANopen
2)
- büS or CANopen
2)
-
Communica-
tions interface
- - CANopen/büS - CANopen/büS
Duty cycle
as per EN 60034-1: S3
50 %, depending on the
operating conditions.
Observe derating curve,
see chapter “6.6.1”
as per EN 60034-1: S3 50 %,
depending on the operating
conditions.
Observe derating curve, see
chapter “6.6.1”
as per EN 60034-1: S3 50 %,
depending on the operating conditions.
Observe derating curve, see chapter
“6.6.1”
2) Analog version: 3.3 V signal voltage, reliable communication is reduced as the line length and transmission rate increase.
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