2
Minimizing tact time
with sequence control
High-speed comparator and external input/output
Connector used: 57RE-40360-730B (D29) (DDK Ltd.)
■
EXT.I/O
Loading of saved settings from panel……LOAD 0 to 4
Measurement start trigger input…………TRIG
Measurement end signal output…………EOC
Comparator output…………………………Hi, IN, Lo
Internal power supply +5 V
(max. 50 mA)
……INT. DC V
Internal GND………………………….………INT. GND
●
Comparator with external output
You can set the upper and lower limits, and display one of 3
results: Hi, IN or Lo. In addition to LED and buzzer results,
open collector output results are provided through the external
input/output terminals.
X: measurement value, H: Upper limit, L: Lower limit
X > H
…………………………
Hi
H > X > L
…………………
IN
L > X
………………
Lo
Conforming connector: ADS-HC360001-010 (Honda Tsushin Kogyo Co., Ltd.),
RC30-36P (Hirose Electric Co., Ltd.) and other suitable connectors
Input type: CMOS level
Signal voltage: Hi 3.8 V to 5.0 V, Lo 0 V (shorted) to 1.2 V
Logic: Negative logic (Low active)
Output type: Open collector
Applied voltage: Max. 35 V DC, 50 mA
Logic: Negative logic (Low active)
With free running measurement
MIN.
Time
TYP.
…
See below
MAX.
…
With external control
T
1
Measurement trigger pulse width 500
µ
s
T
2
T
3
T
4
Trigger delay time
Sampling time
using external
control
FAST
See the table
MEDIUM
at the top right of page 1.
SLOW
…
2.0 ms
…
Internal operation time
the
of measurement 500
µ
s
…
…
T
5
Fromuntil end next trigger
the
…
1.7 ms
…
EOC Lo level time FAST
50 ms
…
T
6
for free running MEDIUM …
measurement
SLOW
…
500 ms
…
FAST
Sampling time
See the table
T
7
for free running MEDIUM
at the top right of page 1.
measurement
SLOW
■
Save/Load function for rapid response to various
work situations
You can save and recall a maximum of 30 DMM setting
conditions for various range and comparator values.
■
A trigger delay designed for measurement safety
The
3237, 3238
and
3239
are equipped with a trigger delay
function that can be set to manual or automatic for the time
period between trigger input and the display of the comparator
result (see T
2
in the figure above).
Manual settings: Designate periods in terms of millisecond intervals between 0.000 s and 9.999 s
Automatic settings:
FAST
MEDIUM
SLOW
DC V
AC V
Ω
(200Ω to 200 kΩ)
3 ms
500 ms
3 ms
3 ms
800 ms
3 ms
3 ms
1.5 s
3 ms
ASM-SENSOR [ ASM GMBH ]
