GE DigitalFlow XGS868i Programming Manual page 124

Panametrics steam ultrasonic mass flow transmitter
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Appendix C. Programming the XGS868i Using PanaView™
C.6.2a Setting Up Error Handling
This menu option lets you set how the XGS868i will handle the outputs for measurements and average (two-path)
measurements during an error condition. See Chapter 2, Error Codes, in the Service Manual for a discussion of the
built-in error codes.
1. From the Input/Output option, highlight and double-click on the Error Handling option in the center pane.
2. Double-click on the desired Error Handling selection (as shown in Table 23 and Table 24).
a. If you selected Error Level in mA, enter the 4-20 mA Error Level (the number of milliamps the analog output
will put out during a fault condition). Enter a whole number between 0 and 22, and click
See Table 23 and Table 24 for a description of the error handling options available and how the totalizers and display
respond to them for a single and two-channel meter.
Option
Hold Last
Holds the last "good" reading
Value
Force Low
Forces the outputs to the low set point
Force High
Forces the outputs to the high set point
Forces the outputs 10% above the high set
Force High
point
High
Error Level
Allows user to enter 4-20 mA error level in mA.
in mA
When
Measuring
CH1 or CH2
Holds last "good" reading.
(vel, vol, etc.)
SUM
Adds two channels using the
last "good" reading.
DIF
Subtracts two channels using
the last "good" reading.
AVE
For a one-channel meter, after responding to the above prompt, the meter returns to the
page 113. For a two-channel meter, proceed to step 3 on page 115.
114
Table 23: Error Options & Responses for Single-Channel Meter
Output Response
Table 24: Error Options and Responses for a 2-Channel Meter
Display Response
See Error Handling for Average Measurements below.
Holds the last "good" reading and continues
to totalize, based on that reading
Stops totalizing
Stops totalizing
Stops totalizing
Sends analog outputs to entered mA level
when a fault occurs.
Totalizer Response When Error Handling is
HOLD
Holds last "good" reading and continues
to totalize based on that "good" reading.
Holds last "good" reading and continues
to totalize based on two channels.
Holds last "good" reading and continues
to totalize based on two channels.
[Next Item].
Totalizer Response
LOW, HIGH, HHIGH
Stops totalizing.
Stops totalizing if either or
both channels go into error.
Stops totalizing if either or
both channels go into error.
Global I/O
prompt shown on
DigitalFlow™ XGS868i Programming Manual

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