Cpu Temperature Alarm Output (J8) - Advantech PCA-6157 User Manual

CPU temperature alarm output (J8)

The EBM3x-JA provides three bits for CPU temperature overheat
alarm output: TL, TH, and TCOM. These signals are used to enable
the external alarm device. The following chart shows each pin
assignment and their respective waveform.
CPU temperature alarm output (J8)
Pin Function
1 TH
TCOM
case 1:
2 temperature rising
case 2:
temperature falling
3 TL
4 Ground
The upper and lower limit values are set in BIOS. See Chapter 4.
Waveform
+5 V
0 V
+5 V
0 V
+5 V Upper-limit
0 V
+5 V Lower-limit
0 V
Chapter 2 Connecting peripherals
Upper-limit
Lower-limit
23