Edge Technologies Patriot 338, Руководство по эксплуатации, Страница: 22 / 272

PATRIOT
338/551
16
REV 10:2019
Door safety
– Typically a normally open circuit controlled by the lathe. Voltage is supplied by
the bar feed common. The signal prevents the bar pusher from feeding in automatic if the door
is open. Circuit can be bypassed.
Bar feeder Emergency stop
– Voltage is supplied by the bar feeder and control is performed
by the lathe K70 relay. When this circuit is opened this will stop bar feeder and lathe operation.
Power supply
– The supply voltage to the bar feeder from the lathe usually 3 phase 200v-220v,
nominal voltage is 208v. In some applications the supply voltage at the customer may be 440v.
In this application a transformer will be required before electrical connection can take place.
Catastrophic electrical damage can occur to the bar feed if transformer is required but not
present.
2.6.4 Signal Functionality and Explanation
*Always refer to the correct wiring prints when troubleshooting*
Warning proper training and electrical diagnosis is required
.
Common (From Lathe) - Voltage is sent from the lathe to power relays in the bar feeder.
IF the lathe common is not sent correctly then signals from the bar feeder will not work correctly.
First check to see if the interface is turned ON in the lathe settings. Always check the lathe
manual to see if there is correct documentation on what will need to be changed. Second step is
to check for continuity in the bar feeder wiring. Check the jumpers that may correspond with the
bar feeder common and signals that are missing. Check the wiring from the board back to the
lathe plug. If there is continuity from the board to the plug then it may be an issue on the lathe
side. Depending on your knowledge and comfortability with troubleshooting, the next step may
be trouble shoot the lathe or call the lathe dealer for assistance.
Cycle Start- Cycle start is used to answer a latched M-code from the lathe. Typically, this signal
is for acknowledging that material has been loaded during bar change or pushed to position
during feeding cycles. This M-code is usually for the bar change cycle or sometimes can be
used to answer the feed stop (torque stop).
When the cycle start signal is set incorrectly it can cause issues with the bar change process. If
the cycle start is set backwards then the M-code for bar change will not latch but will be satisfied
before the bar has changed properly. If this occurs, an alarm may be generated or there can be