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5.2.2 Outputs
Table 5.2 Output Devices
Output
Diverter
Brake
Clutch
Backstop
Transport
Punch
Stepper 1
Stepper 2
LED 1
LED 2
LED 3
Counter
5.2.3 Printer Communication
Table 5.3 Printer Communication Devices
Device
Punch
Motor
Jam/
Door Open
Tray/Die
Motor
5.2.4 Stepper #1 Control
If punch is not enabled, the StreamPunch Pro will run in bypass mode (no punching).
The printer will turn on both stepper motors. The time is measured for the leading
edge of the first sheet to pass from sensor 1 to sensor 8. Knowing the distance
between sensors and the time it takes for the sheet to pass both sensors, we can
determine the speed of the paper. The time is compared to a list and Stepper 1 and
stepper 2 are adjusted to closely match the incoming speed.
If the punch is enabled, the backstop is raised, the brake is engaged, and both the
transport and punch motors are started. Also, the divert solenoid is activated to direct
the sheets into the punch path. As above, the input speed is measured, this time using
Sensor 1 and 2. Stepper 1 is adjusted to meet the measured input speed; Stepper 2 is
accelerated to the speed of the exit aligner. Sensor 2 now delays for a time period
based on the input speed to ensure that the sheet has cleared the printer exit roller.
After this delay, stepper 1 accelerates the sheet to match the transport speed. 19
msec after the sheet's trailing edge passes sensor 2, Stepper 1 is decelerated to
match the previously measured input speed.
Type
DC Solenoid
Diverts paper from bypass to punch sections
DC Brake
Stops the punch mechanism, keeps it in correct position
DC Clutch
Clutches the punch mechanism to drive through paper
DC Solenoid
Provides stop for paper to rest against during punching
AC Motor
Provides paper movement through machine
AC Motor
Provides power to punch the paper
PWM Signal
Controls Stepper Motor 1
Winding
On /Off signal for stepper holding current
PWM Signal
Controls Stepper Motor 2
Winding
On /Off signal for stepper holding current
Power
On: Indicates 24 VDC power is present
Power
On: Indicates 24 VDC Interlock power is present
Power
On: Indicates 5 VDC power is present
Electronic counter
Counts number of punch cycles
Type
Input
Printer turns on Punch enabled mode
Input
Printer turns on StreamPunch Pro Motor MT-C3 & VC-1
Output
Punch signals a misfeed or the door is open (no
operation allowed)
Output
Punch indicates tray or die set missing (bypass only
allowed)
Input
Printer turns on StreamPunch Pro motor BC-3 only
119
Function
Function
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