Vega POINTRAC 31 Operating Instructions Manual page 49

Input variable
Measured variable
Fig. 20: Data of the input variable
L Measuring range (range in which the switching point must lie)
Measuring range
Analogue input
Ʋ Input type
Ʋ Internal load
Ʋ Input voltage
Switching input
Ʋ Type of input - Open Collector
Ʋ Type of input - Relay contact
Ʋ Input voltage
Output variable
Output
Ʋ Signal
Ʋ Physical layer
Damping (63 % of the input variable)
Channel Numbers
Ʋ Channel 1
Ʋ Channel 8
Ʋ Channel 9
Transmission rate
Current value
Resolution, digital
Relay output
Output
POINTRAC 31 • Foundation Fieldbus
The measured variable is the intensity of the gamma
radiation. When the intensity of the radiation is below the
stipulated value due to a damping by the medium, the
POINTRAC 31 switches.
46 mm (1.8 in), 152 mm (6 in) or 304 mm (12 in)
4 ... 20 mA, passive
250 Ω
max. 6 V
10 mA
100 mA
max. 24 V
digital output signal, Foundation Fieldbus protocol
according to IEC 61158-2
0 ... 999 s, adjustable
Process value (switching status)
Electronics temperature
Pulse rate
31.25 Kbit/s
10 mA, ±0.5 mA
> 0.1 mm (0.004 in)
Relay output (SPDT), floating spdt
11 Supplement
49