Omron TJ2-MC02 Hardware Reference Manual page 202

Trajexia machine control system
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Hardware reference
3.10.9 Registration
The TJ1-FL02 can capture the position of an axis in a register when an
event occurs. The event is called the print registration input. On the rising or
falling edge of an input signal (either the Z marker or an input), the TJ1-FL02
captures the position of an axis in hardware. You can use this position to
correct possible errors between the actual position and the desired position.
You set up the print registration with the REGIST command.
The position is captured in hardware and therefore there is no software
overhead. This eliminates the need to deal with timing issues.
Because the registration inputs are very fast, they are susceptible to noise in
combination with slow rising and falling edges. To counter this problem, you
can use a digital noise filter. Use of the noise filter increases the response
time from 0.5 μs to 3.5 μs.
We refer to the REGIST command in the Trajexia Programming Manual for
more information on using the registration inputs.
3.10.10 Hardware PSWITCH
The TJ1-FL02 has 2 outputs that you can use as hardware position
switches. These outputs go on when the measured position of the
predefined axis is reached. They go off when another measured position is
reached.
The outputs are driven by hardware only. This means that the response
times do not have software delays.
We refer to the HW_PSWITCH command in the Trajexia Programming
Manual for more information on using the position switches.
3.10.11 TJ1-FL02 box contents
Safety sheet.
TJ1-FL02.
Protection label attached to the top surface of the unit.
Parts for a 15-pin connector.
Parts for an 18-pin connector.
HARDWARE REFERENCE MANUAL
196

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