VEGA POINTRAC 31 Foundation Fieldbus - Manual (Page 43)

43
11 Supplement
POINTRAC 31 • Foundation Fieldbus
41779-EN-131119
L
Fig. 17: Data of the input variable
L Measuring range (range in which the switching point must lie)
Measuring range 152 mm (6 in) or 304 mm (12 in)
Analogue input
Ʋ Input type 4 … 20 mA, passive
Ʋ Internal load 250 Ω
Switching input
Ʋ Type of input - Open Collector 10 mA
Ʋ Type of input - Relay contact 100 mA
Output variable
Output
Ʋ Signal digital output signal, Foundation Fieldbus protocol
Ʋ Physical layer according to IEC 61158-2
Damping (63 % of the input variable) 0 … 999 s, adjustable
Channel Numbers
Ʋ Channel 1 Process value (switching status)
Ʋ Channel 8 Electronics temperature
Ʋ Channel 9 Pulse rate
Transmission rate 31.25 Kbit/s
Current value 10 mA, ±0.5 mA
Resolution, digital > 0.1 mm (0.004 in)
Relay output
Output
Relay output (SPDT), floating spdt
Switching voltage
Ʋ Min. 10 mV