Hanna Instruments HI520 - Functioning Modes & Process Variables

Functioning Modes & Process Variables 82
17. FUNCTIONING MODES & PROCESS VARIABLES
Function/Mode
Control
Cleaning Edit Calibration Manual Error
Run Start up Hold Alarm
Activated by
Start‑up Timeout/
End of Alarm
_
Hold
_
Cleaning
_
Edit
_
Calibration
_
Manual Mode
Power On
External Input/
Soft Key (Manual Hold)/
Alarm Condition/Cleaning
_
Edit
_
Calibration
_
Manual Mode
Parameters alarms,
control setpoints
overtime, probe
disconnected
Timer/Schedule/Ext. Input/Soft
Key (Manual Start)
Soft key Soft key Soft key Hardware error
Ended by
Alarm & Error Conditions/
Hold
_
Cleaning
_
Calibration
_
Manual Mode
Requests
Timeout
Hold conditions no longer
present
Alarm condition no longer
present
Complete cleaning cycle/
Soft Key (Manual Stop)/
Hold Mode
_
Edit Mode
_
Manual
Mode request
Soft key /
Timeout
Soft key /
Timeout
Soft key Power off
Screen
indication
Measure screen:
”Measure”
Measure screen:
Countdown
counter & “Delay
to Start”
Measure screen: "HOLD"
Menu screen: Hold status
Measure screen:
б
Measure screen:“Cleaning” &
“Cleaning phase & countdown
timer”
–
Cal screen: cal.
related messages
on
Man. Mode
screen:
“Manual
Control”
Error screen:
“Error” & “Error
code”
Screen icons
Measure screen:
а Й Л
е ё
Measure screen:
Й Л
е ё
Measure screen:
Й Л
е ё
Measure screen:
Й Л Ж З б
е ё
Measure screen:
Й Л
е ё
Settings screen:
Й Л
е ё
– – –
Main param.
reading
Blink
Last reading value except for
recovery phase where actual
reading value
– – –
Lot logging
Event Event Event Event Event Event Event Event
Event logging
Ctrl. setpoint
relay
Off Off Off Off Off Off Off Off
HOLD relay
(if assigned)
Off On On On On On On Off or On On
RINSE relay Off Off Off Off Operating Off Off Off Off
WASH relay Off Off Off Off Operating Off Off Off –
Ctrl. set point
output
0 to 100 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 % 0.0 %
Analog Out
assigned to Ctrl.
SetPoint output
Scaled value of ctrl. output
Scaled value of
ctrl. output
Scaled value of last ctrl. output
or fixed value of ctrl. output
Scaled value of ctrl.
output or 22 mA, if
option enabled
Scaled value of last ctrl. output
or a fixed value of ctrl. output
Scaled value of
last ctrl. output
or fixed value of
ctrl. output
Scaled value of
last ctrl. output or
fixed value of ctrl.
output
Any value
in the 0 to
22 mA range
Scaled value of
ctrl output or
22 mA if option
enabled
STATUS LED
CC CC CC
S
CC CC CC CC CC
HOLD LED
CC CC CC CC CC CC CC CC CC