WTC MedWeld 4000, Руководство оператора

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Setup Parameters
MedWeld 4000 Operator’s Guide Modified: 9/17/08 5 - 3
M-032116 Programs #T03300, #T02300 and #T02400
END OF STEPPER: (FAULT) (ALERT)
The END OF STEPPER fault indicates that a stepper has completed
the last weld in the final step of the assigned stepper.
HIGH CURRENT LIMIT: (FAULT) (ALERT)
LOW CURRENT LIMIT: (FAULT) (ALERT)
These faults indicate that the welding conditions during a weld
function, exceeded or fell below the range programmed in the setup
parameters.
CONTROL FAILED TO FIRE
(
T02300 only ) (FAULT) (ALERT)
This condition occurs when the inverter assembly fails to fire the
correct number of high-frequency half-cycles, as determined by the
Inverter Operating High Frequency setup parameter and the number
of weld AC cycles programmed in the schedule. (For example, the
inverter may not fire the correct number of high-frequency cycles
when it terminates the weld prematurely due to a HARD
OVERCURRENT fault.)
SCR MISFIRE: ( T03300 only ) (FAULT) (ALERT)
This condition occurs if there is conduction on one half-cycle and
no conduction on the next half-cycle during a weld function. This
condition may result if arcing occurs during the weld functions.
TIPS NOT TOUCHING: ( T03300 only ) (FAULT)
TIPS TOUCHING: ( T03300 only ) (FAULT)
These two conditions are mutually exclusive. (Both cannot occur
within one weld schedule.) Three causes can generate these faults:
• If the schedule contains the test fire function (#39) and the
function FAULT IF TIPS TOUCHING, AND
the control
detects more than 10 A. of primary current during the test fire,
the control assumes that the tips were closed. It then generates
the TIPS TOUCHING fault.
• If the schedule contains the test fire function and the function
FAULT IF TIPS NOT TOUCHING, AND the control detects
less than 10 A. of primary current during the test fire, the
control assumes that the tips were open. It generates the TIPS
NOT TOUCHING fault.