Unipulse DeviceNet F381A, Operation Manual

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21
2 INSTALLATION AND CONNECTION
21
INSTALLAT
ION AND CONNECTION
Chapter
2
- SD OK
It should be wired according to application. Normally use it if the SD card slot option is used. It
turns OFF with a memory card error*
1
, or when the measurement start input OFF → ON is
ignored because a measurement waveform is not saved in time while being saved
automatically*
2
. It also turns OFF when the Start or Reset signal is ON.
*1 It does not turn ON until the error is cleared.
*2 It is reset by starting measurement being saved in time.
- COM (Output)
It should always be wired if output signals are used. It is a common terminal to external outputs.
Output COMs are internally connected.
- Input signal timing check
Before measurement, properly check the timing of input/output signals.
t1: Delay time between the instant when the Start input is turned ON and the instant when all
outputs but Run are turned OFF ... Approx. 5ms
Measurable section
OFF
ON
Start
OFF
ON
Stop
OK
HI/LO
Complete
Load OK
DPM OK
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
t3
t4
t1
1.5ms
t2
Wait Off *
OFF
confirmation
Select work before the Start input.
OFF confirmation:
It enables to confirm the acceptance of measurement
start and the state that is not disconnected.
Be sure to confirm that output is OFF.
SD OK
OFF
confirmation
OFF
confirmation
OFF
confirmation
OFF
confirmation
OFF
confirmation
Be sure to confirm ON/OFF of OK.If thejudgment
for use section is not carried out or the measurement
is not continued until reaching the domain of wave
form comparison,OK does not become ON.
ON
confirmation
ON
confirmation
ON
confirmation
Please fetch the Judgment
changed from OFF → ON.
outputs in synchronization
with the Complete output is
Please confirm off of the Complete
has been updated.
output to confirm the measurement