Advantech PCM-3780 Mode U Waveforms, Hardware-Triggered Delayed Pulse Strobe with Edge Disarm

D.16 Mode U Waveforms

Hardware-Triggered Delayed Pulse Strobe with Edge Disarm

Mode U is identical to Mode I except that the counter will be disarmed while the gate and inactive-going gate edge is applied to the counter. The counter will hold the count value until it is issued a LOAD command or REST command.

SOURCE

WR

GATE

COUNT

VALUE

TC OUTPUT

TC TOGGLED OUTPUT

SOURCE

WR

GATE

COUNT

VALUE

TC OUTPUT

TC TOGGLED OUTPUT

SOURCE

WR

GATE

COUNT

VALUE

TC OUTPUT

TC TOGGLED OUTPUT

ARM

COMMAND

X L L-1 L-2 2 1 0 H H-1 H-2 2 1 0 L

ARM

COMMAND

X L L-1 L-2 2 1 0 H H-1 H-2 N+2 N+1 N

ARM

COMMAND

X L L-1 L-2 N+2 N+1 N

Mode U Waveforms

61 AppendixD