VEGA VEGADIF 65 Foundation Fieldbus User Manual
Page 72
72
11 Supplement
VEGADIF 65 • Foundation Fieldbus
36130-EN-130417
Max. torque screws mounting strap
30 Nm
Max. torque screws socket external
housing
5 Nm (3.688 lbf ft)
Weight approx.
4.2 … 4.5 kg (9.26 … 9.92 lbs), depending on process
fitting
Output variable
Output
Ʋ Signal
digital output signal, Foundation Fieldbus protocol
Ʋ Physical layer
according to IEC 61158-2
Channel Numbers
Ʋ Channel 1
Primary value
Ʋ Channel 2
Secondary value 1
Ʋ Channel 3
Secondary value 2
Ʋ Channel 4
Temperature value
Transmission rate
31.25 Kbit/s
Current value
10 mA, ±0.5 mA
Dynamic behaviour output
Run-up time
≤ 20 s
I
63 %
100 %
t
t
1
t
2
Fig. 58: Presentation of the dead time t
1
and the time constant t
2
Version, nominal measuring range
Dead time t
1
Time constant t
2
Basic version 10 bar and 30 bar
100 ms
250 ms
Basic version 100 mbar
100 ms
180 ms
Basic version 500 mbar
100 ms
180 ms
Basic version, 3 bar
100 ms
180 ms
Basic version 16 bar and 40 bar
100 ms
180 ms
Chemical seal version, all nominal measuring ranges
Dependent on the chemi-
cal seal
Dependent on the chemi-
cal seal
Bus response time with Foundation Fieldbus
Ʋ cyclically approx.
10 ms