20
Figure 7 Temperature sensors connection scheme
Left row of pins
1
3
4
1
2
2
J1
J2
J3
U1
Right row of pins
1W. PWR
(FMB630 – pin3)
1
1W. Data
(FMB630 – pin13)
2
1
Vpp(+5
Volts DC) –
power
source for
external
digital
sensor
GND
(FMB630 – pin1)
3
2
Output
from
external
digital
sensor
Digital Input
4
Figure 8 Digital thermometer DS1820 and TTJ 100 connection scheme