Operating Instructions SWTD-1000
DYNALCO
2
//
3. Specifications
3.1 General
SWTD-1000
Lowest measuring range
0 . . . 1.000 Hz
Highest measuring range
0 . . . 35.00 kHz
Minimum Measuring time
(Fixtime)
Selectable values: 2 / 5 / 10 / 20 / 50 / 100 / 200 / 500ms
1 / 2 / 5 Seconds.
Effective Measuring time
Is based on the minimum measuring time (Fixtime) and the measured
frequency.
•
Input frequency period < Fixtime
Input
frequency
End of Fixtime
Input period
Fixtime
time
typically: t
effective
= Fixtime
max:
t
max
= 2 x Fixtime
•
Input frequency period > Fixtime
Input
frequency
End of Fixtime
Ensuing edge
Period of input signal
Fixtime
time
max:
t
max
= 2 x input frequency period
•
In the event of sensor signal failure:
t
effective
= F (2 x last input frequency period)
Resolution 0.05
%
Power supply range
10...36 VDC
Power consumption
10 V :
2.3 W
24 V :
2.6 W
36 V :
3.0 W
PSU failure bridging
16 V : 4 ms
24 V : 25 ms
36 V : 75 ms
Isolation Galvanic
isolation
between:
•
Power supply,
•
Sensor input incl. sensor supply, Binary input, Serial interface
•
Analog
output
•
Relay
output
•
Open
collector
output
Isolation voltage
700 VDC / 500VAC
