Rockford Systems, LLC
48
Call: 1-800-922-7533
SSC-1500 Part Revolution Solid-State Control
SECTION 4—PROGRAMMING
Figure 4.23
Warning Setpoint Screen
PROGRAMMING:
BM Warning Setpoint
50_ Milliseconds
Figure 4.24
Fault Setpoint Screen
PROGRAMMING:
BM Fault Setpoint
50_ Milliseconds
HOW TO CALCULATE THE BRAKE MONITOR WARNING AND FAULT SETPOINTS
To determine the brake monitor warning and fault setpoints using the STM test feature, you need to determine the proper STM angle so the stop
signal is given on the upstroke, and the angle stop point makes the press stop at TDC (top dead center). This angle is usually between 200° and
300°. You may have to take several STM tests before you get the correct angle setting for your press, since this setting is determined by trial
and error. A good angle to start with is 270°. If the press stops before TDC, a higher STM angle setting is required. Add the number of degrees the
machine stopped short of TDC to the STM angle setting. If the press stops beyond TDC, a lower STM angle setting is required. Subtract the number
of degrees the machine went over TDC from the STM angle setting. Once you get the correct STM angle setting and your press is stopping at TDC,
you are ready to calculate the warning and fault setpoints for the brake monitor.
Take and record several readings (at least ten) of the stopping time using the STM feature and the STM angle setting that makes the press stop
at TDC. If any of your readings are excessively high compared to the rest of the readings, disregard them and use the next highest reading. After
taking several readings, use the longest time and multiply it by 1.05 (105%) to establish the warning setpoint. To establish the fault setpoint,
multiply the highest reading by 1.10 (110%).
HOW TO PROGRAM THE BRAKE MONITOR WARNING AND FAULT
SETPOINTS
To adjust the warning setpoint:
Use
↓
and
↑
on the keypad to scroll up and down. Press
ENTER
when the arrow symbol (>) is next to the BM Warning Setpoint. The
BM Warning Setpoint Screen will be displayed. See Figure 4.23.
Use the keypad to enter the time setting. Press
ENTER
when finished
to return to the BRAKE MONITOR SCREEN.
To adjust the fault setpoint:
Use
↓
and
↑
on the keypad to scroll up and down. Press
ENTER
when
the arrow symbol (>) is next to the BM Fault Setpoint. The BM Fault
Setpoint Screen will be displayed. See Figure 4.24.
Use the keypad to enter the time setting. Press
ENTER
when finished
to return to the BRAKE MONITOR SCREEN.
Press
ESC
when finished to return to the MAIN PROGRAM SCREEN.
