CONTREX CX-1200 - Manual (Page 328)

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PARAMETER LOAD AT POWER-UP
This section contains instructions to restore either the default Control Parameter values or the back-up
Control Parameter values. The procedures are:
Clear-7
Clear-8
Clear-9
CLEAR-7
Use the Clear-7 procedure to restore the Control Parameter's factory default settings, with the exception of
these three Control Parameters: Contrast Value (CP-475), CO Offset (CP-273) and Serial Number (CP-495).
The back-up settings for the Control Parameters are not altered.
NOTE: Clear-7 also restores the PLC to the factory default. The back-up for the PLC is not altered.
The fault counters are not reset.
Norm Pwr Ups (MP-154) is reset to “1” (normal power-up) or “0” (if CPU reset occurs during
power-up).
Job Sizes and Position Data are reset to “0”.
The Code Select line and the Large Number units in the “Status” screen are cleared.
To do the Clear-7 Procedure:
Press the Clear key and the “7” key, then continue to press the keys while you apply power to the
CX-1200.
CLEAR-8
Use the Clear-8 procedure to restore the Control Parameters to the back-up settings, with the exception of
these two Control Parameters: CO Offset (CP-273) and Serial Number (CP-495). This procedure uses the
back-up settings which you have entered; the back-up settings are not reset to the factory default.
NOTE: Clear-8 also restores the PLC to the back-up settings which you have entered; the PLC back-up
settings are not reset to the factory default.
The fault counters are not reset.
Job Sizes and Position Data are reset to “0”.
To do the Clear-8 Procedure:
Press the Clear key and the “8” key, then continue to press the keys while you apply power to the
CX-1200.