Operating Instructions DMMS_DIGISYS
ACO A
utomation
Co
mponents
10
Technical data
3. Technical data
3.1
DMMS Sensor
Data sheet
Physical principle
Determining capacity in the high-frequency scatter field
Measuring location
Outside of the silo, within the silo, via deflection plate, on a
belt with guide shoe slides, pipes, conveyor screws
Measuring frequency
16 ... 22 MHz
Measuring range
0 %F … 100 %F (adjustable measuring window)
Dissolution of capacity
10 fF
Actualisation cycle
32.64 ms
Scanning rate average value counter
16 … 25 × 10
6
Maximum attainable measuring precision
± 0,05 %F
1.)
Measured value transmission
digital: RS-485, multiprocessor protocol
Max. number of sensors at the bus
16
Maximum bus length
1200 m
Microprocessor
AT89C51ED2
Power supply
8 ... 30V, 0.4 VA
Measuring range temperature measurement -10°C … 90°C
Measuring precision, temperature measu-
rement
± 0.5°C
Operational ambient temperature
5°C … 72°C
Operating temperature, electronic
-20°C … 80°C
Storage temperature
-25°C … 80°C
Type of protection
IP68
Connection line, type
UNITRONIC ROBUST 7 x 0.14mm² shielded
Connection line, length
6m
Wear protection
ZrO2 Al2O3
Material housing / flange
V2A (1.4305)
Dimension:
∅
/ height
76 / 70 mm
Weight without cable
1000 g
Weight of tensioning flange
300 g
1
.) Representative of the batch or of the time window with the continuous process, in connection with the
respective evaluation unit DIGISYS, material-dependent, with ideal flow properties and with sound calibra-
tion
