Advantech SNMP-1000-B1, User Manual

Page: 25 / 86

15
Pin 3 and pin 4 of CN20 connect to the SNMP-1000-B1 chassis reset but-
ton.
Pin 5 and pin 6 of CN20 connect to the watchdog timer output pins of the
CPU card (J2). The SNMP-1000-B1 can detect the output signal of the
watchdog timer when there is a time-out signal. A cable (part
number1703020558) is shipped with the SNMP-1000-B1 to connect to
the Watchdog timer output.
2.2.17 Power Good Input Connectors (CN16; CN21 ~
CN24)
Up to four power fail signals can be detected. The SNMP-1000-B1 can
detect the power good or power fail signal if the power supply unit pro-
vides this output signal to be detected.
Figure 2.6: Connect watchdog timer to "interrupt"
Figure 2.7: Connect watchdog timer to"reset"
CPU Card
CN20
1
2
3
4
6
5
J2
1
SNMP-1000
CPU Card
SNMP-1000
CN20
1
2
3
4
6
5
J2
1