01/10 347 LB 444 K-40
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Detector (2a/2c)
Relay 2 (12a/12c)
The relay can be set for the following functions:
Min. – Alarm, Max. – Alarm, Detector temperature,
Relay 3 (4a/14c)
Functions:
Min. – Alarm, Max. – Alarm, Detector temperature,
Relay 1 (16a/16c)
The relay is used to indicate errors. The contact opens in case of error.
External product selection
Digital input 1 (18a/18c)
Digital input 2 (20a/20c)
Calibration data of up to 4 different products can be defined in the evaluation unit LB 444
K-40. These data sets can be selected via digital inputs.
External Start/Stop Signal (22a/22c)
Option to interrupt measurement for the following special applications:
- Start/Stop in batch mode
- Stop of continuous measurement, e.g. to suppress unexpected malfunctions
0/4-20mA (26a+/26c-)
Isolated current output for measured value, max. load 500 Ω.
Current input (28a-/28c+)
Product temperature for temperature compensation (usually not needed for potassium
content measurements).
Power supply (30a/30c)
Power supply 115V/230V AC or 24 V AC/DC depending on power supply unit (see
label on instrument rear pane!).
Fuses
To replace fuses, you have to open the fuse holder with a screw-driver. Observe fuse
type and rating!
Before turning on the power supply, carefully check all connections once more to rule out
any damage to the instruments.
RS 232
Port for data transfer from evaluation unit to printer or PC (front panel of evaluation
unit).
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