bürkert 8045 Bedienungsanleitung Seite 83

Specificaton in relation to the control outputs
Proportional output
Output type
Accuracy
Wiring
Response time
Maximum Load
(current loop)
Pulse output
Output type
Relay output
Output type
Relay output
Max. cutting power
Life expectancy
Thresholds
Specification in relation to the user
User's interface
Display
Flow units
Display :
Current output
Relay state
Programming
Protection
Processing
Filtering of the flow
Temperature coefficient
Specification in relation to the environment
Ambient conditions
Operating temperature
Storing temperature
Relative humidity
Enclosure rating
8045
SPECIFICATIONS
Current output from 4-20 mA (error signal 22 mA)
Dependent on the measuring error - Maximum of 4%
Sinking or sourcing mode
0,5 s to 150 s depending on the filter to reach 95% of a
variation
1300 Ω at 30 VDC
1000 Ω at 24 VDC
700 Ω at 18 VDC
Isolated NPN / PNP open collector, galvanic insulation
max. 250 Hz, max. 36 VDC / max. 100 mA, protected
against short-circuits and polarity reversals
Normally open relays
2 relays, freely adjustable
AC : 250 V / 3 A
DC : 30 V / 3 A (resistive load)
750 VA (resistive load)
100 000 cycles (minimum)
Hysteresis programmable according to the flow
15 x 60 mm LCD 8 digits, alphanumeric
15 segments, 9 mm high
l
3
m Per
US-Gal
Imp-Gal
Generated current indication : xx.xx mA
Red LED's on when contact is closed
Menus with 3 programming keys
Lockable switch for the 'Enter' key
10 levels of filtering (from 0 to 9, fast or slow mode)
(see section 4.4.3.1)
-10 to +60 °C (14 to 140 °F)
-20 to +60 °C (-4 to 140 °F)
max. 80 %, non condensated
IP65
37
Sec (except m 3 /sec)
min
hr