K3NC
K3NC
6
Characteristics
Input signal
No-voltage contact (30 Hz max., ON/OFF pulse width: 15 ms min.)
Voltage pulse (50 kHz max., ON/OFF pulse width: 9
µ
s min., ON voltage: 4.5 to 30 V/OFF voltage: –30
to 2 V)
Open collector (50 kHz max., ON/OFF pulse width: 9
µ
s min.)
Connectable Sensors
ON residual voltage:
3 V max.
OFF leakage current:
1.5 mA max.
Load current:
Must have switching capacity of 20 mA min.
Must be able to dependably switch a load current of 5 mA max.
Input mode
Up/Down B (individual inputs), Up/Down C (phase difference inputs)
Output mode
ALL-H/ALL-L
Max. displayed digits
5 digits (–19999 to 99999)
Display
7-segment LED
Polarity display
“–” is displayed automatically with a negative input signal.
Zero display
Leading zeros are not displayed.
Prescale function
Programming via front-panel key inputs. (0.0001 x 10
–9
to 9.9999 x 10
9
, decimal point can be set freely)
Can be set using prescale value teaching.
External control
RESET:
16 ms max. (external reset signal)
COMPENSATION: 16 ms max. (external compensation signal)
BANK 1, 2:
100 ms max. (bank switching time)
Up to 4 set value or prescale value banks available
Other functions
Variable linear output range (for models with linear outputs only)
Remote/Local processing (available for communications output models only)
Counting value reset with front panel keys
Security
Memory power failure
Output configuration
Relay contact output (5 outputs)
Transistor output (NPN and PNP open collector), BCD (NPN open collector)
Parallel BCD (NPN open collector) + transistor output (NPN open collector)
Linear output (4 to 20 mA, 1 to 5 V) + transistor output (NPN open collector)
Communication functions (RS-232C, RS-485, RS-422)
Communication functions (RS-232C, RS-485, RS-422) + transistor output (NPN open collector)
Delay in comparative
outputs
1 ms max. (at transistor output),
10 ms max. (at relay output)
Enclosure rating
Front panel: NEMA4 for indoor use (equivalent to IP66)
Rear case: IEC standard IP20
Terminals:
IEC standard IP00
Memory protection
Non-volatile memory (EEPROM) (possible to rewrite 100,000 times)
Engineering Data
Derating Curve for Sensor Power Supply
Max. current (mA)
Ambient temperature (
°
C)
Note:
The derating curve shown is for standard installation.
The derating curve depends on the mounting direction.
