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Kessler-Ellis Products 521K Operating Instructions Manual page 7

Electronic display counter

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4.4 Operating mode
*0, 0.1, 0.01, 0.001 means: time measurement in
0, 0.1, 0.01, 0.001 time units
4.5 Decimal point
4.6 SET/RESET mode
Time unit: seconds (accu-
racy depending on posi-
tion of the decimal point*)
Time unit: minutes (accu-
racy depending on posi-
tion of the decimal point*)
Time unit: hours (accura-
cy depending on position
of the decimal point*)
Time units:
Hours:Minutes:Seconds
(decimal point setting is
ignored)
The decimal point defines
the resolution of the pro-
grammed time unit.
0
1
0.0
1/10
(0,1)
0.00
1/100 (0,01)
0.000 1/1000 (0,001)
manual reset via the red
SET/RESET key and
electrical reset via the
SET/RESET input
no reset (red SET/RESET
key and SET/RESET
input locked)
only electrical reset via
the SET/RESET input
only manual reset via the
red SET/RESET key
4.8 SET value
4.8 End of programming
5. Technical data
Supply voltage
DC power supply:
Display:
Data retention:
Polarity of the inputs:
Input resistance:
The device will be set to
the set point by pressing
the red SET/RESET key
or activating the
SET/RESET input.
SET value 0 ...999 999 or
99.59.59 (number of deci-
mal places depends on
the decimal point option)
The programming routine
is repeated once more.
The values set until now
can be checked and mod-
ified.
The programming routine
wil be left and all values
set will be stored as new
parameters.
Afterwards the device is
ready for operation.
10 ... 30 V DC/max. 40 mA
with inverse-polarity protection
6 digits, red 7 segment
LED display, height 8 mm
EEPROM
Programmable, npn or pnp
for all inputs
appr. 5 kOhm
7 7

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