Vega POINTRAC 31 Foundation Fieldbus Bedienungsanleitung PDF herunterladen (Seite 44)

11 Supplement

POINTRAC 31 • Foundation Fieldbus

41779-EN-131119

Ʋ Max. 253VAC,253VDC

Switching current

Ʋ Min. 10 µA

Ʋ Max. 3 A AC, 1 A DC

Breaking capacity

Ʋ Min. 50 mW

Ʋ Max. 750VAAC,40WDC

If inductive loads or stronger currents are switched

through, the gold plating on the relay contact surface will

be permanently damaged. The contact is then no longer

suitable for switching low-level signal circuits.

Contact material (relay contacts) AgNi or AgSnO and Au plated

Transistor output

Output Floating transistor output, permanently shortcircuit-proof

Load current < 400 mA

Voltageloss <1V

Switching voltage <55VDC

Blocking current < 10 µA

Accuracy (according to DIN EN 60770-1)

Process reference conditions according to DIN EN 61298-1

Ʋ Temperature +18…+30°C(+64…+86°F)

Ʋ Relative humidity 45 … 75 %

Ʋ Air pressure 860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)

Repeatability ≤0.5%

Deviation with bulk solids The values depend to a great extent on the application.

Bindingspecicationsarethusnotpossible.

DeviationunderEMCinuence ≤1%

Ambient conditions

Ambient, storage and transport tempera-

ture

-40…+60°C(-40…+140°F)

Process conditions

Fortheprocessconditions,pleasealsonotethespecicationsonthetypelabel.Thelowervalue

always applies.

Process pressure Unpressurized

Process temperature (measured on the

detector tube)

-40…+60°C(-40…+140°F)

Withtemperaturesofmorethan60°Cwerecommend

the use of water cooling

Vibrationresistance

mechanical vibrations up to 1 g in the frequency range

5…200Hz

Tested according to the guidelines of German Lloyd, GL directive 2.

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