VEGA VEGABAR 55 Foundation Fieldbus - climate compensated User Manual
Page 46
46
10 Supplement
VEGABAR 55 • Foundation Fieldbus - climate compensated
39443-EN-130321
Ʋ Connection cable with IP 68 1 bar
version
PE, PUR
Weight approx.
0.8 … 8 kg (1.764 … 17.64 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 approx.
10 s
90 %
100 %
10 %
t
t
T
A
t
t
S
2
1
Fig. 26: Sudden change of the process variable. t
T
: dead time; t
A
: rise time; t
S
: jump response time
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
Input variable
Adjustment
Adjustment range of the min./max. adjustment relating to the nominal measuring range:
Ʋ Percentage value
-10 … 110 %
Ʋ Pressure value
-20 … 120 %