Lincoln Electric FineLine 170HD Operator's Manual page 66

FineLine 170HD Plasma System
Figure 15 NOTES:
o After receipt of the initial edge of CNC Start Signal, the second edge of CNC
Start Signal must be received within 9.5 seconds or the system will return to
the ready state. The IHS sequence must be completed within the first CNC
Start Signal pulse.
o If Arc Hold is not being used, the rising edge of the second CNC Start Signal
pulse must be received within 250mS of the falling edge of the first CNC
Start Signal pulse. If Arc Hold is being used, then rising edge of the second
CNC Start Signal pulse must be received within programmed TTS. In either
case, if not received within specified time the system will return to the ready
state.
This information is subject to the controls of the Export Administration Regulations [EAR]. This information shall not be provided to
non-U.S. persons or transferred by any means to any location outside the United States contrary to the requirements of the EAR.
Figure 16: SES Timing Diagram
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BK8053-000111 Rev D