37 XFC G4 2103335 Rev AB
— XMV Interface
— Holding Registers
— Units Conversion
— Host Interface
— Displays
General applications typically provide some type of measurement, control, logging and/or archival function. General applications
include:
— LMV Interface (future)
— NGC Client
— AGA-3 Measurement
— AGA-7 Measurement
— Trend System
— Alarm System
— Pulse Accumulator
— Valve Control
— Safety
— Plunger
— Oil Custody Transfer Measurement
IEC applications are generally custom applications provided by Totalflow at the customer’s request. They might include special
control and/or measurement algorithms required by the customer. Multiple IEC applications can be instantiated with a single IEC
credit.
CO2 (NIST) applications each require a CO2 (NIST) credit.
HCDP applications will each require an HCDP credit.
3.10.1 Credit Key (USB)
The flow computer comes with four general credits installed in the unit. If the system configuration requires more application
credits, they can be purchased from Totalflow.
Credits (Standard, General, IEC, CO2 and HCDP) are maintained on the credit key. Credits can be purchased and kept on the
USB credit key. The credit key is a secure USB Flash drive (i.e., thumb drive). It cannot be written to or read by any program
other than PCCU32 7.0 or later. Credits can be added to the credit key via phone call to Technical Support. Again, these credits
are used to run the various applications available in the product line.
Credits can be transferred between the laptop and the flow computer. If a flow computer has extra credits (more than required to
be fully licensed), the extra credits can be downloaded to the credit key and used on other G4 flow computers.
IMPORTANT NOTE: If any G4 controller is running an unlicensed application, that fact is reflected in any reports
generated from that unlicensed meter. The meter will also log the fact that it is unlicensed in the Event Log at the
top of each contract day. Unlicensed applications will cause the meter to connect more slowly.
3.11 Laptop Computer Running PCCU32
PCCU32 software running in a laptop Windows environment offers the user the most capabilities for programming the flow
computer. The Windows environment features user friendly help files and easy to follow menus.
If configured with the USB option, the laptop computer connects via the cable directly to the connector on the side of the flow
computer.
IMPORTANT NOTE: Connecting to a G4 meter with PCCU32 will require version 7.05.5 or later.
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