Unitec Peco HF25A, Руководство пользователя

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CHAPTER 3: USING PROGRAMMING FUNCTIONS
HF25 DC RESISTANCE WELDING SYSTEM
990-333 3-3
4. SYSTEM SECURITY
From the
MAIN MENU
, press the
4
key to go to up
SYSTEM SECURITY
screen. With this screen,
you can protect the weld schedules from
unauthorized changes by programming the
Control with a user-defined protection code.
<SYSTEM SECURITY>
1. SCHEDULE LOCK : OFF
2. SYSTEM LOCK : OFF
3. CALIBRATION LOCK : OFF
NUMBERS Select, MENU Previous menu
1. Schedule Lock
This function prevents unauthorized users from selecting any weld schedule other than the displayed
schedule, and from changing any weld energy/time parameters within the weld schedule.
2. System Lock
This function prevents unauthorized users from changing any of the options on the main menu. It also
prevents unauthorized users from changing weld energy/time parameters within a weld schedule. This
security level allows you to select different schedules from the front panel.
3. Calibration Lock
This function prevents unauthorized users from modifying any of the calibration settings.
NOTE: All security options use the same procedure to enter a security code and to turn the security
code OFF.
1. Press the
1
key to select
SCHEDULE
LOCK
. This will bring up the
CHANGE
STATUS
screen, as shown at the right.
2. Enter a 7-digit number, from 0000001
to 9999999 , in the code field, and then
enter a period. This will bring up the
SYSTEM SECURITY
menu screen, this
time with
SCHEDULE LOCK: ON
.
CHANGE STATUS>
PASSWORD
:
– – – – – – –
NUMBERS for code followed by PERIOD
With
ON
selected, all other weld schedules are locked out and cannot be modified or used for
welding.
3. To unlock the Control from security protection, return to the
CHANGE STATUS
screen and
enter the code that you entered in Step 2. This will bring up the
SYSTEM SECURITY
menu
screen, this time with
SCHEDULE LOCK: OFF
.
4. If you forget the security code and wish to unlock the Control from security protection:
•
Return to the
CHANGE STATUS
screen.
•
Enter a security code of
280
.