
DigitalFlow™ DF868 Multipurpose Ultrasonic Liquid Flowmeter Programming Manual (2-Channel)
37
Chapter 1. Programming Site Data
Setting Up Alarms
Complete the following steps to set up the three alarm relays of an option card installed in Slot x:
1.
Press
[F1]-[F3]
to set up alarm relays A, B, or C, respectively.
Note:
The set up of alarm A is used as an example. Identical procedures would be used to set up the other alarms.
2.
Press
[F1]=OFF
to disable Alarm A and return to the previous prompt, or press
[F2]=HIGH, [F3]=LOW, [F4]=FAULT
to specify Alarm A as the type indicated.
3.
Press
[F1]
for standard operation or
[F2]
for
Failsafe
operation. See Chapter 1,
Installation
, of the
Startup Guide
for
wiring instructions for each mode.
4.
Use the [
and [
and
[F1]-[F4]
keys to select a
Channel
option for the data source, as shown in Table 20 on
5.
The program now varies, depending on your selection in step 2.
•
If you selected FAULT as the alarm type, press
[F1]-[F3]
to select the type of error (flow, non-flow, or both) you
wish to trigger the alarm.
Note:
If you have enabled the Energy Option, the DF868 treats the E8 and E9 errors (supply and return
temperature) as flow errors.
•
If you selected HIGH or LOW:
a.
Use the [
and [
and
[F1]-[F4]
keys to specify the desired
Output Measurement
parameter. See Table 21 on
page 36 for a description of the available options.
Note:
The measurement units that appear in these prompts are those selected in the
GLOBL-SYSTM
menu earlier
in this chapter.
b.
Enter a value for the trigger point of the alarm and press
[ENT]
.
c.
Press
[F1]
-
[F3]
to set up another alarm or press
[EXIT]
to select another slot for set up.
Option Card Totalizer/Frequency Outputs
Complete the following steps to set up the four totalizer/frequency outputs of an option card installed in Slot x:
1.
Press
[F1]-[F4]
to set up outputs A, B, C or D, respectively.
Note:
The set up of output A is used as an example. Identical procedures would be used to set up the other
outputs.
2.
At the
Slot X Pulse Out
prompt, press
[F1]
to disable output A and return to the previous prompt, or press
[F2]=FREQ or [F3]
=
TTLZR
to designate output A as a frequency or a totalizer output, respectively.
3.
Use the [
and [
and
[F1]-[F4]
keys to select a
Channel
option for the data source, as shown in Table 20 on
Proceed to step 4 on page 38 for instructions on programming a frequency output or to step 9 on page 39 for
instructions on programming a totalizer output. If the selected output was disabled above, skip both sections.
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Страница 104: ...Appendix A Menu Maps 96 DigitalFlow DF868 Multipurpose Ultrasonic Liquid Flowmeter Programming Manual 2 Channel...
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Страница 150: ...Appendix E OPC Server 142 DigitalFlow DF868 Multipurpose Ultrasonic Liquid Flowmeter Programming Manual 2 Channel...
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