Vaisala FD12P - Test Points; Transmitter Test Points

Appendix C __________________________________________ Transmitter and Receiver Test Points
VAISALA _______________________________________________________________________ 151
APPENDIX C
TRANSMITTER AND RECEIVER TEST
POINTS
There are some test points (TP) on the FD12P circuit boards for
testing. They are as follows:
Table 41 Transmitter Test Points
Test Point Description
TP1 Reference voltage +2.5 V, ±1 %
TP4 Feedback signal
TP5 Control voltage for LED driver,
>-8 V
<+7 V
X1/1 +15 V
X1/2 -15 V
X1/3 +5 V
X1/4 GND
9611-005
Figure 37 Test Points, Transmitter