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4. Confirm that the CPU’s POWER LED is lit and the following display appears
on the Programming Console screen. (If the ALM/ERR LED is lit or flashing
or an error message is displayed, clear the error that has occurred.)
<PROGRAM>
PASSWORD!
5. Enter the password. See
4-6-1 Entering the Password
for details.
6. Clear memory. Skip this step if the program does not need to be cleared.
See
4-6-3 Clearing Memory
for details.
4-6-1 Entering the Password
To gain access to the PC’s programming functions, you must first enter the pass-
word. The password prevents unauthorized access to the program.
The PC prompts you for a password when PC power is turned on or, if PC power
is already on, after the Programming Console has been connected to the PC. To
gain access to the system when the “Password!” message appears, press CLR
and then MONTR. Then press CLR to clear the display.
If the Programming Console is connected to the PC when PC power is already
on, the first display below will indicate the mode the PC was in before the Pro-
gramming Console was connected. Ensure that the PC is in PROGRAM mode
before you enter the password. When the password is entered, the PC will
shift to the mode set on the mode switch, causing PC operation to begin if the
mode is set to RUN or MONITOR. The mode can be changed to RUN or MONI-
TOR with the mode switch after entering the password.
Indicates the mode set by the mode selector switch.
<PROGRAM>
PASSWORD!
<PROGRAM> BZ
4-6-2 Buzzer
Immediately after the password is input or anytime immediately after the mode
has been changed, SHIFT and then the 1 key can be pressed to turn on and off
the buzzer that sounds when Programming Console keys are pressed. If BZ is
displayed in the upper right corner, the buzzer is operative. If BZ is not displayed,
the buzzer is not operative.
This buzzer also will also sound whenever an error occurs during PC operation.
Buzzer operation for errors is not affected by the above setting.
Preparation for Operation Section 4-6