KROHNE Summit 8800 Vol 2 - Manual (Page 39)

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08/2013 - MA SUMMIT 8800 Vol2 R02 en
SUMMIT 8800 METERING PRINCIPLES 03
Proving description
A01
Start proving The proving request tag has been issued via display or Modbus - this
initiates the prove request
Tips: With the proving status tag, the result of the last prove can be
monitored
• N/A
• OK
• Manually aborted
• Maximum runs reached
• Not enough runs remain
• Volume stability
• Pressure stability
• Temperature stability
• Valve setup error
• Valve return error
• Communications error
• Run error
• Volume deviation
• Pressure deviation
• Temperature deviation
• Density deviation
• Pressure alarm
• Temperature alarm
• Density alarm
• Frequency input
• Validation rejected
• Data update failed
• Valve error
• Turbine error
• Setpoint error
• USM error
With the proving position tag the status of the prove can be monitored
Idle
• Beginning prove
• Initialising report
• Initialising communications
• Configuring valves
• Stabilising flow
• Running
• Resetting valves
• Ending communications
• Waiting for validation
• Generating report
The ball position tag does not indicate the actual ball position, but is a
status indicator for the Proving run for ball provers.
Instead of ball position monitor the status of the valve
A02 Send begin prove
command to required
run
The proving.1 tag of the required stream is set.
The prover general alarm tag is set.
These tags are displayed on the alarm page.
A03 Correct frequency? Prover frequency tag is checked if pulses are being received, thus
frequency cannot equal zero.
Confirm that the pulse bus is configured correctly.
Refer to section ‘prover I/O selection’ for configuration details.