Omron CPM2C-S100C Operation Manual page 42

CPM2C-S Structure and Operation
20
2. Undetermined additional time
Power interruptions only slightly longer than the minimum power interrup-
tion time may not be detected.
85% of rated voltage
Program execution
CPU reset signal
Note If the power supply voltage fluctuates around 85% of the PC's rated voltage,
PC operation may stop and restart repeatedly. When repeated stopping and
starting will cause problems with the controlled system, set up a protective cir-
cuit such as a circuit that shuts OFF the power supply to sensitive equipment
until the power supply voltage returns to the rated value.
Detection of
po we r interruption
1. Minimum time
2. Additional
time
Executing Stopped
CPU Unit operation will CPU Unit operation may
continue if voltage is continue if voltage is
restored in this region. restored in this region.
Section 1-3