Endress+Hauser Waterpilot FMX21, Operating Instructions Manual

Page: 42 / 144

Commissioning Waterpilot FMX21
42 Hauser
9 Commissioning
NOTICE
If a pressure smaller than the minimum permitted pressure or greater than the
maximum permitted pressure is present at the device, the following messages are
output in succession:
‣
"S140 Working range P" or "F140 Working range P" (depending on the setting in the
"Alarm behav. P" parameter)
‣
"S841 Sensor range" or "F841 Sensor range" (depending on the setting in the "Alarm
behav. P" parameter)
‣
"S971 Adjustment" (depending on setting in "Alarm behav. P" parameter
9.1 Function check
Before commissioning your measuring point, ensure that the post-installation and post-
connection checks have been performed:
• "Post-installation check" checklist
• "Post-connection check" checklist
9.2 Unlocking/locking configuration
If the device is locked to prevent configuration, it must first be unlocked.
9.2.1 Locking/unlocking software
If the device is locked via the software (device access code), the key symbol appears in the
measured value display. If an attempt is made to write to a parameter, a prompt for the
device access code appears. To unlock, enter the user-defined access code.
9.3 Commissioning
Commissioning comprises the following steps:
• Function check
• Selection of the measuring mode and pressure unit
• Position adjustment
• Configuring measurement:
• Pressure measurement
• Level measurement
9.4 Selecting the measuring mode
The device is configured for the "Pressure" measuring mode as standard. The
measuring range and the unit in which the measured value is transmitted correspond
to the data on the nameplate.
L
WARNING
Changing the measuring mode affects the span (URV)
This situation can result in product overflow.
‣
If the measuring mode is changed, the setting for the span (URV) must be checked in
the "Setup" operating menu and readjusted if necessary.
Measuring mode