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MTEK6000 SERIES USER'S MANUAL
3-8 January 2002
Assigning Function Keys
In configuration mode, any parameter can be
assigned to a function key. To assign a
function key:
1. Enter configuration mode by pressing
conf (use the password, if required).
2. Display the desired parameter. Press
jump followed by the address of the
parameter, and then press ent (see
Appendix A for parameter addressing
for your device).
3. Assign a function key to the parameter.
Press jump, edit, and then the function
key you wish to assign to the current
item [F0 - F9].
NOTE
There are pre-defined function keys for your
device - see Appendix A.
Audit Trail
The MTEK6000 maintains an electronic
audit trail file that records all parameter
changes and calibrations performed on the
unit. Each entry is identified with the date
and time the event occurred. The contents
of this file cannot be changed, providing a
secure, non-editable audit trail.
In the standard MTEK6000 configuration,
the audit trail is disabled. You can enable
audit trail logging using Metretek, Inc.
software or editing the Audit Trail
Enable/Disable parameter to 250 using the
keypad and display.
NOTE
Once the audit trail is enabled, it cannot be
disabled without downloading a new
database with this feature disabled.
Once enabled, the device maintains the audit
trail file with a maximum of 250 records.
You can upload the information from the
unit to a portable or host computer using
Metretek software. Once the audit trail is
full, the device will not allow any other
changes to parameters; the audit trail must
first be uploaded and reset by the host
software.
Wake-Up on Pulse (Event Driven)
The MTEK6000 EFC employs a wake-up on
pulse (event driven wake-up) mode in which
the unit can be configured to wake-up on a
specified number of pulses (meter
revolutions). During wake-up, pressure,
temperature, and the rest of the analog
channels are sampled, and the unit executes
the processes and run calculations.
In this mode, the EFC should be configured
to wake-up on the number of specified
pulses along with an hourly wake-up to
record history data. See Appendix A for the
address of the Wake Up On Pulse (event
driven) and Wake Up Interval (Seconds)
parameters.
Analog Sampling
The MTEK6000 has the ability to sample
the dynamic analog input variable channels
at intervals from 1-99 seconds. Once
enabled, the unit samples pressure,
temperature, case temperature, and the
external 1-5 volts or 4-20 ma channels once
for each selected interval.
NOTE
Battery voltage is NOT sampled at this rate.
The sample’s minimum and maximum
values are then checked against their
corresponding High and Low Setpoints. If
the device determines these conditions were
exceeded, it “wakes up” and finds the
average of all samples accumulated since
the last process execution, displays this
analog mean, and applies it to any necessary
calculations. To enable, set Analog
Sampling Rate parameter to 1-99 seconds.