FS9952_LP1

Rev. 2.0

29/31

10

200k

R30

100k

VDDA

C

E

B

ADP

Diagram 33

NPN-type Triode

15.18

Temperature Measurement

VR4

10k

T6

VR3

10k

+

_

58 REFO

6 SGND

4 ADP

62 OP1O

FS9952

RT3

10k

RT2

180

R22

10k

R21

90k

R15

10k

RT4

1M

R29

100k

K type

J3

J9

J1

Diagram 34

Temperature Measurement (1)

For the connection of the thermocouple in the diagram, the negative (-) end can be connected directly to

the ground (AGND). When the thermocouple is not connected or damaged, it will display overload

measurement (OL).

VR4

10k

T6

VR3

10k

58 REFO

6 SGND

4 ADP

62 OP1O

FS9952

RT2

180

R22

10k

R21

90k

RT4

1M

R15

10k

RT1

100k

RT3

10k

+

_

K type

J3

J9

R29

100k

J1

Diagram 35

Temperature Measurement (2)

In the diagram, the connection of the thermocouple is more troublesome, but when the

thermocouple is not connected or damaged, it will display the indoor temperature.