Endress+Hauser Prosonic S FMU90 - Page 126

The "Relay/Controls" menu
126
Selection:
• actual value (default)
The relay switches according to the current measuring value (although its reliability is not
ensured).
• hold
The current switching state of the relay is held.
• switch on
The relay is energized.
• switch off
The relay is de-energized.
8.5.6 "relay allocation"
Allocates a relay to the rake control function.
Selection:
• All relays of the instrument version at hand.
8.5.7 "relay N" (N = 1 - 6)
"function"
Allocates the desired function to the relay.
Selection:
• none (default)
• rake control
"invert"
Determines if the switching behavior of the relay is to be inverted.
Selection:
• no (default)
The switching behavior of the relay is not inverted. The relay is energized if the rake cleaner
should be switched on.
• yes
The switching behavior of the relay is inverted. The relay is energized if the rake cleaner should
be switched off.
⇒
relay allocation RX203
relay 1
relay 2
relay 3
relay 4
⇒
RelaisN RN306
function:
invert: