10,5 kmpty pipe alarm, Toshiba – Toshiba LF494 User Manual
Page 121
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
TOSHIBA
6 F 8 A 0 7 7 4
10,5 Kmpty Pipe Alarm
Proceed as follows to use the empty pipe alarm output.
Set DOl or D02 (option) as the empty pipe alarm output, and select the active
status. Normal Open or Normal Close. See 8.2.9, ‘'Digital LO" If you use the empty
pipe alarm function hut not in external output, this setting is not needed.
Output conditions when an empty pip« alarm occurs:
• 4—20mA output:
4mA ,
Note: In case of the converter for special specifications (refer to 7.3.3
‘"Converter for Special specifications”), select tlic value which
be set 4-20mA Alarm Output.
For detail, see See 8.2. j8”4-20mA Alarm Output
• Totalizer and pulse ouiptit:Toialii;dr and pulse output are stopped.
* Measured data display:
Zero is indicated for instantaneous flow rate.
* Alarm output:
Condition programmed in the Digital output function and
acitvc status set.
Note: Alarm output contacts are open while the converter is powered off.
See Chapter 12, ‘‘Self-Diagnostics and Warning Functions.” to use the empty pipe alarm
function.
1 2 0 -