GE DigitalFlow XGS868i Programming Manual page 34

Panametrics steam ultrasonic mass flow transmitter
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Chapter 1. Programming Site Data
1.9.2a Selecting Error Handling (cont.)
Note: The error responses listed in Table 7 apply only to the
measurement modes, if either or both channels are in error. Error handling in the
is set in Step 7 below.
Option
HOLD
Holds the last "good" reading.
LOW
Forces outputs to the low set point.
HIGH
Forces outputs to the high set point.
Forces outputs 10% above the high set point.
HHIGH
OTHER
Forces outputs to the entered mA level.
6. Use the arrow keys to enter a specific current that will signify meter errors and press [Enter]. Then, do one of the
following:
For a 1-Channel meter, go to Procedure Options on the next page.
For a 2-Channel meter - proceed to Step 7 below.
7. Scroll to Yes or No to enable or disable 2-path error handling. Specific responses of the display and the totalizer are
listed in Table 8 below. The
are installed in the same location in the same pipe to improve accuracy and the meter is operated in
this function enabled, the Model XGS868i performs error handling only if both channels are in error. If this
function is disabled, error handling occurs when either channel goes into error.
Option
Displays the average of Channel 1 and Channel 2, regardless
No
of the error state of either channel.
1. If one channel is in error, the other channel's value is
Yes
displayed as the average.
2. If both channels are in error, the last average reading is
held.
Procedure Options
After completing the above steps, the XGS868i returns to the
To continue programming, refer to Appendix A, Menu Maps, to navigate to the desired menu.
To leave the Keypad Program, press [Escape] four times.
24
Table 7: Error Response Options
Output Response
2-path error handling
Table 8: 2-Path Error Response Options
Display Response
Channelx
measurement mode and to the
Continues to totalize, based on last "good" flow reading.
Stops totalizing.
Stops totalizing.
Stops totalizing.
Stops totalizing during critical errors.
option is intended for applications where two sets of transducers
Outputs the average of Channel 1 and Channel 2
totals, regardless of error state of either channel.
1. If one channel is in error, totalizing continues.
2. If both channels are in error, totalizing stops.
Global I/O
window. Do one of the following:
Sum
Average
measurement mode
Totalizer Response
AVE
Totalizer Response
DigitalFlow™ XGS868i Programming Manual
Difference
/
mode. With

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