VEGA VEGABAR 63 Foundation Fieldbus - Manual (Page 53)

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Connection between IP 68 transmitter
and external electronics housing PUR, FEP, PE
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Type plate support with IP 68 version on
cable PE hard
Weight approx. 0.8 kg (1.764 lbs)
Output variable
Output
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Signal digital output signal, Foundation Fieldbus protocol
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Physical layer according to IEC 61158-2
Channel Numbers
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Channel 1 Primary Value
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Channel 2 Secondary Value 1
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Channel 3 Secondary Value 2
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Channel 4 Temperature Value
Transmission rate 31.25 Kbit/s
Current value 10 mA, ±0.5 mA
Dynamic behaviour output
Run-up time approx. 10 s
90 %
100 %
10 %
t
t
T A
t
t
S
2 1
Fig. 28: Sudden change of the process variable, dead time t
T
, rise time t
A
and step response time t
S
1 Process variable
2 Output signal
Dead time ≤ 150 ms
Rise time ≤ 100 ms (10 … 90 %)
Step response time ≤ 250 ms (ti: 0 s, 10 … 90 %)
Damping (63 % of the input variable) 0 … 999 s, adjustable
VEGABAR 63 • Foundation Fieldbus 53
10 Supplement
32464
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EN
-081209