Reference, Installation, and Operations Manual

Upgrading a Mark II to a Mark III

3-9000-743 Rev S

June 2013

 

 

 

C.4.11 Flow pressure and temperature

If the Mark II configuration EnablePressureInput or EnableTemperatureInput parameter is set to 0 (None) or 2 (Specified/Fixed), then the Mark II parameter is copied to the corresponding Daniel 3410 Series Ultrasonic Gas Flow Meter data point (EnablePressureInput, EnableTem- peratureInput).

If the Mark II meter is configured for live input (i.e., EnablePressureInput or EnableTemperatureInput parameter is set to 1 (Live)), the conversion depends upon whether or not the Daniel 3410 Series Ultrasonic Gas Flow Meter supports live input. If the Daniel 3410 Series Ultrasonic Gas Flow Meter supports live input (i.e., the Option Board is present and the CPU firmware is version 1.30 or later), then the Mark II parameter is copied to the corresponding Daniel 3410 Series Ultrasonic Gas Flow Meter data point (EnablePressureInput, EnableTemperatureInput). Otherwise, the corresponding Daniel 3410 Series Ultrasonic Gas Flow Meter data point is set to 2 (Fixed).

C.4.12 AGA8 method

The Mark III HCH_Method data point allows for the selection of no AGA8 calculations (a selection that the Mark II does not provide).

If the Mark II HCH_Method parameter is set to External(0) and the Mark II SpecRhoMixFlow, SpecZFlow, and SpecZBase parameters are equal to zero, then the Mark III HCH_Method is set to None(4). Otherwise the Mark II HCH_Method is copied to the Mark III HCH_Method data point.

C.4.13 Minimum hold time

For some older Daniel 3410 Series Ultrasonic Gas Flow Meter firmware versions, the hold time lower limit is longer than that of the Mark II. Thus, if the Mark II MinHoldTime parameter is less than the Mark III hold time lower limit, the Mark III MinHoldTime data point is set to its lower limit. Otherwise, the Mark II MinHoldTime is copied to the Mark III MinHoldTime data point.

C.4.14 Log Format parameters

Mark III archive logs (daily, hourly, audit, alarm, and system) are not readable via Modbus. They are optionally read using a faster, more efficient method via the Daniel MeterLink Logs/Reports - Meter Archive Logs screen. See Section 6.6 for further information on Mark III log retrieval using Daniel MeterLink. Thus, the Mark II LogDateTimeFormat, LogDailyVolumeFormat, and LogHourlyVolumeFormat parameters are not converted.

Flow pressure and temperature

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