HelmPak Press Control
11
Users Guide
In-position (POS) N.O.
Use this mode to verify that the sensor signal remained ON
within the entire window once each stroke. The signal must cycle OFF outside the
window. Use it to detect if an ejector and other automation parts are retracted to home
position.
Transition Diagram
For These
Expected Transitions
Input is NOT ALLOWED
When the Sensor Signal:
Which Results in a
Fault signal Sent After:
Sensor turns ON before,
and OFF after window
1. turns OFF before window goes OFF
sensor turns OFF
2. does not turn OFF outside window
next window goes ON
3. remains OFF for the cycle
next window goes OFF
In-position (POS) N.C.
Use this mode to verify that the sensor signal remained OFF
within the entire window once each stroke. The signal must cycle ON outside the window.
Use it to detect if an ejector and other automation parts are retracted to home position.
Transition Diagram
For These
Expected Transitions
Input is NOT ALLOWED
When the Sensor Signal:
Which Results in a
Fault signal Sent After:
Sensor turns OFF before,
and ON after window
1. turns ON before window goes ON
sensor turns ON
2. does not turn ON outside window
next window goes OFF
3. remains ON for the cycle
next window goes ON
DEFINITION OF DIE MONITORING WINDOW
Intermittent Cyclic (ICYC)
Use this mode to verify that a pulse from the sensor (OFF-
ON-OFF) occurred within the window once after a preset number of press cycles.
Transition Diagram
For These
Expected Transitions
Input is NOT ALLOWED
When Sensor:
Which Results in a
Fault Signal Sent After:
Sensor turns ON then OFF
within window
1. stays ON beyond window
window goes OFF
2. turns ON outside window
sensor turns ON
3. remains OFF for the cycle
next window goes ON
DEFINITION OF DIE MONITORING WINDOW
Static Mode (STC)
Use this mode to detect that an event occurred independent of the
press stroke. When a static-mode input turns Off, the programmed output is turned On.
For example, use it to detect end of stock.
