OPERATION
5
41
OPTISENS TUR 2000
www.krohne.com
07/2017 - 4001970202 - MA OPTISENS TUR 2000 R01 en
Current loop settings
Scale ID (analog mode)
scale 4.000 NTU
8 mA switched on for 8 seconds
scale 40.00 NTU
12 mA switched on for 8 seconds
scale 400.0 NTU
20 mA switched on for 8 seconds
Alarm sequence (analog mode)
loop at 3.80 mA for 16 seconds
loop at 21.0 mA for 16 seconds
Alarm signals (digital mode)
Check error: 0err 0=no error, 1 =
fouling error, 2 = dry error
Light error: 0err 0=no error, 1 =
external light error
Check signals
Scale
0.0%...200.0%
Over range
220%
Sensitivity
50.0...200.0%
100%
Alarm from check signal and if
external light too high
On / Off
On
Min. alarm (fouling or LED
damage)
0.0%...100.0%
10.0%
Max alarm (dry cell)
100.0%...200.0%
200.0%
Alarm indications
Analog mode: loop sequence
3.80 mA and 21.0 mA
Digital mode: check error
command "A"
Temperature
Internal sensor
Pt100 for optical efficiency
External light evaluation
Scale
0.0...100.0%
Alarm
On / Off
On
Serial interface
Interface
RS485 not terminated
Isolated from the sample
Not isolated from the loop power
supply
Distance
1000 / 500 / 250 / 125 meter
Baud rate
2400 / 4800 / 9600 bits
9600 bit
Probes in network
up to 32
Protocol
ASCII
Power supply
Voltage
8...36 VDC
Current
22 mA max.
Measurement setting
Setting options or allowed values Default value