Alarm ab/alarm ba, Target nbr, Batch total programming – AW Gear Meters MX 9000 User Manual

Page 39: Mx 9000 process monitor

MX 9000 Process Monitor

Operation and Programming Manual

MX 9000 User Manual, Rev. 2.0 7/16/2013

For the RATIO WARNING limit to function, you must assign the L1 or L2 LIMIT to the WARNING function.
See LIMITS Programming on page 29.

ALARM /AB ALARM B/A

The MX 9000 uses these individual variables to set the percent ratio error at which the L1 or L2 ALARM
limit activates. The ratio error limits are 1% to 100%. The initial value for either ALARM limit is 10.0 %.

For the ratio alarm limit to function, you must assign the L1 or L2 LIMIT to the ALARM function. See
LIMITS Programming on page 29.

TARGET NBR

The MX 9000 uses this variable to set the number of pulses it samples before making and programming
a ratio. The MX 9000 uses the TARGET NUMBER for both the RATIO AB and RATIO BA calculation. The
device performs a calculation whenever either channel accumulates the TARGET NUMBER since it
calculated the previous ratio. If the TARGET NUMBER is too small, the ratio calculation can consistently
produce large errors. If the TARGET NUMBER is too large, the ratio will not be calculated frequently. The
allowable range for TARGET NUMBER is from 1 to 65534. The recommended typical range for values is
from 200 to 2000. Initial value is 500.

BATCH TOTAL Programming

Use the BATCH TOTAL program mode to quickly dedicate both limits as total limits and program the
values at which the limits (labeled S1 and S2) activate.

1. Using the

and

DOWN

keys, select the BATCH TOTAL display. Press and hold the

ENTER

key.

The display changes the first limit assignment S1 with a underlined cursor.

2. Enter a value to assign the limit as a total limit based on the engineering units. Select the digit to

edit using the

SELECT

key.

3. Use

DOWN

keys to increase or decrease the value.

4. When the desired value displays, press

ENTER

to store and move the cursor to S2.

5. Select the digit to edit using the

SELECT

key. Use

DOWN

keys to increase or decrease the

value.

6. When the desired value is displayed, press the

ENTER

key to store and exit the BATCH TOTAL

program mode.

If either limit has been previously assigned to a function other than TOTAL A, the MX 9000 will respond
by asking “Limit mode different, want to change it?” Use the

YES

key to answer. A “YES” response

resets any previous limit assignment to Total A and zeros the limit value. A “NO” response leaves the

Notice