Endress+Hauser Prosonic S FMU90 - The Relay;Controls menu; 8.1 Configuration of a limit relay

The "Relay/Controls" menu
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8 The "Relay/Controls" menu
The "relay/controls" menu is used to configure the relays and control functions of the Prosonic S.
The following relay functions are available for level measurements:
• Limit relay
• Alarm and diagnostics relay
• Pump control - standard
• Pump control - enhanced
• Rake control
The configuration of these functions is described in the following sections.
8.1 Configuration of a limit relay
8.1.1 Overview
Step Parameter set or submenu Parameter Remarks see section
1 "relay/controls" menu Select "relay configuration".
2 relay allocation Select a relay. 8.1.2
3 relay N (N= 1 -6) function 1. Select "limit"
2. Select the measured or calculated value to which the limit refers.
8.1.3
4 relay N (N = 1 - 6) limit type Select a limit type. 8.1.4
switch on point Define the switch on point.
(only available for "limit type" = "standard" or "tendency/speed")
switch off point Define the switch off point.
(only available for "limit type" = "standard" or "tendency/speed")
upper switch point Define the upper switch point.
(only available for "limit type" = "inband" or "out of band")
lower switch point Define the lower switch point.
(only available for "limit type" = "inband" or "out of band")
hysteresis Define the hysteresis.
(only available for "limit type" = "inband" or "out of band")
5 relay N (N = 1 - 6) switch delay Define the switch delay (Default: 0s). 8.1.5
invert Select if the relay signal is to be inverted (default: no)
error handling Define the reaction of the relay in the case of an error.