4.4.13 Resetting the Hourly Trend, Daily Trend and Period B
Resetting the hourly trend, daily trend and Period B consists in changing the
value of their period and then restoring them to their initial value after five minutes.
Perform this operation one hour after the initial power-up.
Proceed as follows:
1. Access Setup > Reading Setup > Gas Reading Setup.
2. Set parameter Hourly Tr. Period to 1 hour.
3. Set parameter Daily Tr. Period to 1 day.
4. Set parameter Hydran PPM Period B to 0 hour.
5. Wait five minutes and set these parameters to their default value:
• Hourly Tr. Period to 24 hours
• Daily Tr. Period to 30 days
• Hydran PPM Period B to 24 hours
For details on trend computations and reset, see Section 6.2.5.4.
4.4.14 Conclusion
If the configuration has been performed locally at the Hydran M2-X using
Perception software:
1. Access Setup > Comm Setup (see Section 3.2.7.2).
2. Disconnect the RS-232 link from the Hydran M2-X’s DB-9 connector.
3. Put the Hydran M2-X’s cover back in place (see Figure 4-13 on the page
below). Ensure the gasket is properly positioned between the heater plate
and the cover.
4. Insert the four retaining screws and washers.
5. Using the supplied Allen key, screw until they touch the heater plate.
6. Tighten the screws one by one diagonally.
The Hydran M2-X configuration is now completed.
When installing the cover, 4 screws must be tightened
correctly. A minimum torque of 50 lbf-in (5.6 Nm) is
recommended. Failure to do so may result in water ingress
inside the enclosure.
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