Burkert 8045 Mode D'emploi page 85

Specificaton in relation to the control outputs
Electrical connection
Power supply
Consumption
Proportional output
Output type
Accuracy
Wiring
Response time
Maximum Load (current loop)
Pulse output
Output type
Specifications
Relay output
Output type
Relay output
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
8045
SPECIFICATIONS
18-36 VDC regulated (oscillation rate ≤+/- 5%)
300 mA max.
Current output from 4-20 mA (error signal 22mA)
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
36VDC max / 100mA max (protected against short-circuits
and polarity reversals)
Normally open relays
2 relays, freely adjustable
AC : 250V / 3A
DC : 30V / 3A (resistive load)
Max. cutting power : 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 sec (except m
3
m min
Per
US gal hr
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)
(cf § 4.4.3.1)
37
3
/sec.)
Fluid Control Systems