4.2
Electrical data
Electrical data AS 8
Processor
PIC17C42
Mains adapter
Supply voltage
230 V AC (-10% - +6%) / 50-60 Hz
120 V AC (-10% - +6%) / 60 Hz
24 V DC
12 V DC
Power consumption
approx. 3,5 W
Sensor operating voltage
(1)
24 V DC ± 20%, 50 mA
12 V DC ± 20%, 50 mA
Digital input (2x)
Input impedance
≥
7500
Ω
Input amplitude
low
≤
9 V
high
≥
12 V
Typical switching time 1 ms
Analogue output (1x)
Adjustable as voltage output or current output with jumper
Power output
± 10 V, 0 - 10 V, 2 - 10 V / Burden
≥
1 k
Ω
Resolution 10 bit, short-circuit proof
Current output
± 20 mA, 0 - 20 mA, 4 - 20 mA / Burden
≤
250
Ω
Resolution 10 bit, short-circuit proof
Sensor input (1x / 2x)
(2 x One-channel)
(1 x Two-channel)
Input impedance
≥
7500
Ω
Input amplitude
low
≤
9 V
high
≥
12 V
Flow rate measuring prin-
ciple
Permanent period measurement (Rising
edge)
Gate window measurement
Max. input frequency
1 Hz - 2500 Hz
Serial interface (1x)
RS 232
Cable length
≤
15 m
Input voltage
max. ± 30 V
Input current
typ. ± 3 mA
at ± 9 V input voltage
Output current
typ. ± 3 mA
Setting
9600 baud, 8 bit, no parity, 1 stop bit
Relay contacts (2x)
One closer each
24 V / 1 A Resistive load
Typical switching time 6 ms
(1)
Sensor: Flow meter, Measuring transducer
Indicator AS 8
88037710002-01 2018-09-19
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