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19
CPM2C-S Structure and Operation
Section 1-3
Note
1.
The operating mode at startup depends upon the setting of DIP switch pin
4 and the Programming Device connected to the communications port (pe-
ripheral port).
The default setting for bits 08 to 15 of DM 6600 is 00. If this default setting
is used and pin 4 is OFF, the CPM2C-S will automatically start operating
in RUN mode when the power is turned ON.
2.
If pin 4 is OFF and only an RS-232C cable is connected to the communi-
cations port (i.e., there is no peripheral port connection), the CPM2C-S will
automatically start operating in RUN mode when the power is turned ON.
Example Cable Connections:
CS1W-CN118 and XW2Z-200S/500S
CS1W-CN118 and XW2Z-200S-V/500S-V
CPM2C-CN111 and XW2Z-200S/500S (no peripheral port connection)
CPM2C-CN111 and XW2Z-200S-V/500S-V (no peripheral port connec-
tion)
1-3-4
PC Operation at Startup
Time Required for
Initialization
The time required for startup initialization depends on several factors, such as
the operating conditions (including power supply voltage, system configura-
tion, and ambient temperature) and the program contents.
Power OFF Operation
Minimum Power Supply Voltage
The PC will stop and all outputs will be turned OFF if the power supply voltage
falls below 85% of the rated value.
Momentary Power Interruption
A power interruption will not be detected and CPU Unit operation will continue
if the power interruption lasts less than 2 ms.
A power interruption may or may not be detected for power interruptions
somewhat longer than 2 ms.
When a power interruption is detected, the CPU Unit will stop operating and
all outputs will be turned OFF.
Automatic Reset
Operation will restart automatically when the power supply voltage is restored
to more than 85% of the rated voltage.
Timing Chart of Power OFF Operation
The power interruption detection time is the time required for a power interrup-
tion to be detected after the power supply voltage drops below 85% of the
rated value.
1,2,3...
1.
Minimum power interruption detection time
Power interruptions that are shorter than 2 ms will not be detected.
Programming Device
Pin 4 OFF
Pin 4 ON
None
PROGRAM mode
RUN mode
Programming Console
Operating mode set on the Programming Console’s
mode switch
Other device
PROGRAM mode
Содержание CPM2C-S100C
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