Engineering manual - UniSAB III 1.10.8
266/346
001930 en 2021.06
Calibration
7.5.8 Adjusting long-stroke capacity rod for SAB 283 Mk 1
For type part no. 1373-038
Note: For long-stroke transmitters with part no. 1373-057 calibration and terminal connection are similar
to that of SAB 110, SAB 128 etc. Please see subsection 7.5.7
As shown in Fig. 36, the capacity transmitter is fitted with a single calibration button surrounded by a
green and red LED.
During normal operation the red LED flashes rather slowly. The green LED is switched on constantly
when the transmitter is in 100% position whereas it flashes quickly when the transmitter is in 0%
position.
Fig. 36: Long-stroke SAB 283 Mk 1
Calibration is carried out as follows:
1. Apply supply voltage minimum five minutes before calibration.
2. Move the slide to minimum position and press the calibration button once. The red LED will
switch ON. After a while, the red LED will turn OFF indicating that it is ready for 100%
calibration.
3. Move the slide to its maximum position and press the calibration button again. The red LED will
start flashing quickly. After a while the red LED will flash normally and calibration is completed.
7.5.9 Adjusting short-stroke capacity rod for Gram GST, GSV and RWF and short-
stroke volume transmitter for GSV, RWF and SAB 283 Mk 1 and SAB 355 Mk 1
For part no. 1373-037
Note: For short-stroke transmitters with part no. 1373-061 calibration and terminal connection are simi-
lar to that of SAB 100, SAB 128 etc. Please see subsection 7.5.7
Fig. 37: Short-stroke
3
2
1
2 =
1 =
3 =
3
74mm
60mm
2
1
Plug connection
Supply, +10 to 32V DC
Common, 0V DC
Out, 4-20 mA
GND
LED digital
output (option)
Calibration
push button
LED supply/operation
Dia
7 mm
1
1=
2=
3=
=
Supply, 24V DC
Common, 0V DC
Out, 4-20 mA
GND
Calibration
push button
LED supply
LED digital output
Plug connection
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