Chapter 6 __________________________________________________ Calibration and Adjustment
VAISALA _______________________________________________________________________ 63
3.
Disconnect the flat cable by lifting it carefully, for example with a
screwdriver.
4.
Remove the two screws holding the hinge support. Remove the
hinge support.
5.
Turn the electronics unit slightly upwards to release it from the
hinges. Leave the transmitter base with the cable connections on
place. When putting the electronics unit back to place, attach the
upper hinge first. Remember to attach the hinge support.
Connections
0505-293
Figure 25
Connecting Power Supply and Multimeter for
Calibration
1.
Connect a power supply (12 ... 24 VDC, with a serial port the
minimum supply voltage is 15 VDC ) to the terminals B1 (-) and
C1 (+) (Ch 1) with banana plugs, see
.
2.
Connect the multimeter in series with the supply, B1 (-) and
A1 (+).
3.
Follow the same procedure with Ch 2 using the terminals B2 (-)
and C2 (+). When calibrating both channels at the same time, use
two galvanically separated power supplies.
A1
B1
B2
A2
C1
C2
On
Off
