VEGA VEGATROL 20 Ex - Manual (Page 6)

VEGATROL 20 Ex 6
2
2 Technical Information
2.3 Configuration of a measuring system
2.3.1 Continuous level measurement
Sensor VEGATROL 20 VEGATROL 20 VEGATROL 20
Ex-area
Outputs
Relay 3 x 3 x 10 x per AR-card (output relay)
Current 1 x 3 x 10 x per AA-card (output analog)
DISBUS 1 x 1 x for max. 30 VEGADIS per AD-card (output DISBUS)
Signal conditioning VEGAMET VEGAMET VEGALOG 571
instrument 509 Z Ex 512 Z EA-card (input analog)
Not Ex-area
Safety barrier 145 145 145 145
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2.3.2 Additional switch point
Sensor VEGATROL 20 VEGATROL 20
Ex-area
Signal conditioning VEGATOR VEGALOG 571
instrument 525 F EA-card (input analog)
Not Ex-area
Safety barrier 145 145 145
Outputs
Relay 1 x 10 x per AR-card (output relay)
Additional instruments for measuring systems - Overvoltage arresters
- Indicators VEGADIS 171 A / 172 (0 … 20 mA)
- VEGADIS 173 (DISBUS)
- Interface converters VEGACOM 557
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