KROHNE OPTISENS CAC 050 EN - Manual (Page 24)

Manual OPTISENS CAC 050 / IAC 050
OPTISENS CAC 050 / IAC 050 24
6.1 Error messages
Error message Cause Action
Error input 1 The conductivity sensor gives no
signal. Please check the connections, the cable
and the sensor for signs of damage.
Error input 2 The temperature sensor gives no
signal. Please check the connections, the cable
and the sensor for signs of damage. This
message also appears if automatic
temperature compensation was selected
although no temperature sensor was
used.
Limit 1 / 2 The measured value exceeded limit
1 (or dropped below limit 2,
respectively). Please check the dosing and readjust the
control parameters, if necessary.
Dosage Pump 1 (or 2, resp.) feeds with
100% for more than the defined
period of time. Please check the dosing, especially the
feeding tubes and connections. Caution!
Carefully check for leaking chemicals!
Ext. controller stop The digital input has been short-
circuited. This only indicates the external controller
stop. If, however, you have connected a
level sensor, this message appears due
to the „lack of water“ alarm.
7.
Output
Main menu
.
.
Basic settings
Basic settings .
.
Analog output Selection
Analog output Select output -between 0-20 mA and
. 0 – 20 mA 4-20 mA
. Begin 0/4 mA -of the measured value
. 0.00mS Corresp. to 4 mA
End 20 mA -of the measured value
2.00 mS Corresp. to 20 mA
Analog output -between readout of the
Measuring value Measurement or the
Control values
Serial interface
RS485 (option)
Bus address Bus address
Nr. 00
Set a number between
0 and 31 to address the
device via data bus.