Table of Contents
Advertisement
Note:
DIRECT READ
SYSTEM ERROR RELAY
READ ON DEMAND
When this function is selected, ("General Menu" - "System
Functions" - "Manual commands" - "Read On Demand") a
new bromine measuring cycle is immediately started.
This command is useful when calibrate or whenever an
immediate result is needed.
The read on demand function is active only when the analyzer
is in automatic mode.
For rapid diagnostics of the measuring cell, the converter
readings for dark (cell LED off) and blank (cell LED on) could
be consulted.
To display the dark reading activate the "General Menu" -
"System Functions" - "Dark Read" function. After confirmation
the dark value is displayed.
Manual Commands
Dark Read
Blank Read
Change Pass: 0000
To display the blank reading activate the "General Menu" -
"System Functions" - "Blank Read" function.
After confirmation the blank value is displayed.
If the cell work correctly, the values must be between -20000
and 20000 with a minimum difference blank – dark of 20000
converter points.
The PCA321-331 controller has a single system error relay for
all measured parameters.
To allow bromine errors to activate the relay, set "Bromine
Menu" - "Alarm&Err Bromine" - "Err.Relay" to Active.
For pH errors set the item "pH Menu" - "Alarms&Err pH" -
"Err. Relay" to Active.
For ORP errors set the item "ORP Menu" - "Alarms&Err ORP"
- "Err. Relay" to Active.
For temperature errors set the item "Temperature Menu" -
"Alarms&Err Temp." - "Err. Relay" to Active.
3 5
Advertisement
Table of Contents
