49
Ope
ra
tio
n
Push the DOWN key while pressing the start/stop key to enter EXT
mode.
Note that the pump starts to run in sync with the external signal as en-
tering EXT mode.
■
EXT mode programming
The following features can be programmed for the EXT operation.
• Multiplier programming
The number of shots per signal is programmed.
• Divider programming
The number of signals per shot is programmed.
• Anti-chattering programming
The read time of the pulse signal is programmed in consideration of the ac-
crual of chattering in order to reduce noise.
• Display selection
Either "EXT" or "spm" indication is selected for EXT mode.
NOTE
Pushing the start/stop key, a program is entered. Do not forget to enter your program-
ming. Note if the pump is unplugged before pushing the start/stop key, your program-
ming is not stored.
Operation programming
Glossary
Chattering
A phenomenon the electrical signal repeats ON and OFF, disturbing pulse shape.
The mechanical vibration which occurs when the relay or switch functions brings
about this problem.
3
ON
STROKE RATE
ON
STROKE RATE
Summary of Contents for EHN-R
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