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8 Micro Motion
®
Model 2400S Transmitters for PROFIBUS-DP
Flowmeter Startup
4. Apply power to the transmitter. The flowmeter will automatically perform diagnostic routines.
When the flowmeter has completed its power-up sequence, the status LED will turn green. If
the status LED exhibits different behavior, an alarm condition is present or transmitter
calibration is in progress. See Section 7.6.
Note: If this is the initial startup, or if power has been off long enough to allow components to reach
ambient temperature, the flowmeter is ready to receive process fluid approximately one minute after
power-up. However, it may take up to ten minutes for the electronics in the flowmeter to reach thermal
equilibrium. During this warm-up period, you may observe minor measurement instability or
inaccuracy.
5. Ensure that the transmitter is visible on the network. For information on establishing
communications between the Model 2400S DP transmitter and a PROFIBUS host, see
Chapter 5.
WARNING
Operating the flowmeter without covers in place creates electrical hazards
that can cause death, injury, or property damage.
To avoid electrical hazards, ensure that the transmitter housing cover and all other
covers are in place before connecting the transmitter to the network.