Deltabar S
Endress+Hauser 13
Dynamic behavior:
FOUNDATION Fieldbus
A typical configuration for the macro cycle time (host system) of 1 s results in the following behavior:
Reading cycle
• Cyclic: max. 10/s (dependent on the number and type of function blocks used in a closed-control loop)
• Acyclic: typical 10/s
Cycle time (update time)
Cyclic: min. 100 ms
Response time
• Cyclic: max. 20 ms (for standard bus parameter settings)
• Acyclic: typical 100 ms (for standard bus parameter settings)
Damping A damping affects all outputs (output signal, display).
• Via onsite display, handheld terminal or PC with operating program, continuous from 0 to 999 s
• Additionally for HART and PROFIBUS PA: via DIP switch on the electronic insert, switch position
"on" = set value and "off"
• Factory setting: 2 s
Type Measuring cell Dead time (t
1
)
[ms]
Dead time (t
1
) +
Time constant T63 (=t
2
) [ms]
Dead time (t
1
) +
Time constant T90 (=t
3
) [ms]
PMD75 min. • 10 mbar (0.15 psi) and 30 mbar (0.45 psi)
• 100 mbar (1.5 psi)
• 500 mbar (7.5 psi)
• 3 bar (45 psi)
• 16 bar (240 psi)
90 • 540
• 150
• 135
• 130
• 150
• 1085
• 183
• 149
• 137
• 183
max. • 10 mbar (0.15 psi) and 30 mbar (0.45 psi)
• 100 mbar (1.5 psi)
• 500 mbar (7.5 psi)
• 3 bar (45 psi)
• 16 bar (240 psi)
1090 • 1540
• 1150
• 1135
• 1130
• 1150
• 2085
• 1183
• 1149
• 1137
• 1183
PMD70,
FMD76
min. • 25 mbar (0.375 psi)
• 100 mbar (1.5 psi)
• 500 mbar (7.5 psi)
• 3 bar (45 psi)
135 • 4835
• 415
• 345
• 245
• 10855
• 689
• 528
• 298
PMD70,
FMD76
max. • 25 mbar (0.375 psi)
• 100 mbar (1.5 psi)
• 500 mbar (7.5 psi)
• 3 bar (45 psi)
1135 • 5835
• 1415
• 1345
• 1245
• 11855
• 1689
• 1528
• 1298
FMD77,
FMD78
max. Dependent on the diaphragm seal
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