635-SERIES HARDWARE M ANUAL
Chapter-Page
2-16
3.3 Wire the “A/C Fail” and “Low Battery” to Sense Connector
CAUTION:
UNPLUG CONTROLLER FROM POWER OUTLET. Do not attempt to wire connectors while the
power supply is “hot”. Wiring a connector while it is “hot”
can cause electrical shock, serious injury,
death, damage to equipment, or system failure.
OBSERVE POLARITY! Failure to obey polarity can cause electrical shock, injury, death, equipment damage.
1.
Wire the “A/C Fail” warning circuit:
from the CPU board to an output Relay on the Power supply.
Land the stranded, 22-gauge wiring according to the silk screen on the back of board.
2.
Wire the “Low Battery” warning circuit:
from the CPU board to an output Relay on the Power supply.
Land the stranded, 22-gauge wiring according to the silk screen on the back of board.
Figure 12
–
635 CPU Warning Circuits: “A/C Fail”, “Low Battery”, and “Tamper”
This diagram shows how to wire the A/C Fail and Low Battery warning circuits (635/600 CPUs).
VIEW FROM TOP SURFACE OF BOARD
