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5 Connecting to power supply
VEGAPULS 64 • Two-wire 4 … 20 mA/HART
51141-EN-210219
5.6 Switch-on phase
Afterconnectionofthedevicetopowersupply,thedevicerstcarries
out a self-test:
•
Internal check of the electronics
•
Indication of the status message " F 105 Determine measured
value" on the display or PC
•
Theoutputsignaljumpsbrieytothesetfaultcurrent
Then the actual measured value is output to the signal cable. The
value takes into account settings that have already been carried out,
e.g. default setting.