SmartPAC 2 with WPC 2000 Integration User Manual
1128600
Run Mode
6-21
Stopping time
is the time that it takes the crankshaft to stop once the dual safety valve (DSV)
has been de-energized. Starting time
is the time it takes for the crankshaft to start turning after
the DSV has been energized. Instructions for setting Start-time and Stop-time Limits and
documentation of SmartPAC 2’s responses to start-time and stop-time faults are provided in
Stopping angle
is the number of degrees that it takes the press to stop. It is equal to the ram’s
stopping position in degrees minus the crankshaft position when the DSV is de-energized.
(Stopping angle does
not
compensate for the complete rotation of the press when it takes more
than 360
°
to stop.) The stopping angle value helps you when you set up the top-stop cam. For
example, if the stopping angle is 100
°
, you would set the top-stop cam to turn on at 260
°
.
Determining the Stopping Time of Your Press
You need to determine the stopping time of your press at Top Stop in order to calculate the
Stop-time Limit to set in Initialization. To do so, perform the following steps:
1.
Install the heaviest upper die you use on your press. Adjust the counterbalance for ram
weight, if your press has a counterbalance.
2.
Turn the Program/Run key to RUN to access Run mode, then select BRAKE MONITOR
on the Main Run Menu. The Press Control Stop Time Status screen displays.
3.
Start the press in Continuous mode, and run the press until it reaches normal operating
speed.
Figure 6-22. Stop Time Status Screen
Before you can switch to Run mode, a tool must be programmed and loaded in Program
mode (see
NOTICE
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Страница 440: ...1128600 SmartPAC 2 with WPC 2000 Integration User Manual D 12 Updating SmartPAC 2 Firmware ...
Страница 478: ...1128600 SmartPAC 2 with WPC 2000 Integration User Manual G 6 Replacing SmartPAC 2 PC Board ...
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