![background image](http://html1.mh-extra.com/html/omega/fuzzy-logic-cn4800/fuzzy-logic-cn4800_manual_4071251092.webp)
90
Phenomenon
Possible cause
User response
Autotuning not
available
• Input error
• Ramp/soak command set to other
than " "
• Manual run being performed
• Set point changed during
autotuning
• Because of the too slow process,
autotuning is not terminated within
12 hours.
• Check the input or sensor connec-
tion. (See page 19~29.)
• Check the input switch pin correctly.
(See page 40.)
• Set the ramp/soak command to
" " during autotuning. (See
page 60~63.)
• Switch the manual run mode to the
automatic run mode. (See page 69.)
• Do not change the Set point value
during autotuning.
• Autotuning is not available. Perform
manual tuning. (See page 51~54.)
" " Set point not
raised (for the type
fitted with heater
break alarming)
• The control output relay has been
switched on not long enough.
• Output proportion cycle time too
short
• If the control output relay does not
get triggered at least 1 sec after
powering on, the correct heater
current value cannot be detected.
(See page 58.)
• Set the output proportion cycle time
of " " to 20 sec or more.
(See page 79.)
Loop break detection
not available
• Output limit setting is illegal
• Loop break detection is not
available when " " is smaller
than 100.0 or " " is larger
than 0.0. (See page 77.)
Digital transmission
not properly performed
• Host-side setting is wrong.
• Station number is wrong.
• Polarity of transmission
connection is wrong.
• Give the right transmission setting
to the host. (See page 67~68.)
• Set the right station number. (See
page 67~68.)
• Check if the transmission
connection are all right. (See pages
19~29.)
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Содержание FUZZY LOGIC CN4800
Страница 2: ...M1791 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOUR...
Страница 47: ...45 ogy Group Quality Instrumentation Guaranteed 888 88 SOURCE...
Страница 100: ...98 MEMO ogy Group Quality Instrumentation Guaranteed 888 88 SOURCE...
Страница 101: ...99 MEMO ogy Group Quality Instrumentation Guaranteed 888 88 SOURCE...