Omron K3NR Operation Manual page 133

Specifications
Characteristics
Input signal
Measuring accuracy
(at 23±5°C)
Measuring modes and
ranges
(Operating modes 1 to
6 are for no-contact
sensor models)
Max. displayed digits
Display
Polarity display
Zero display
Prescale function
HOLD functions
(see note 2)
External control
Comparative output
hysteresis setting
Other functions
Output configuration
Delay in comparative
outputs (at transistor
output)
Enclosure rating
Memory protection
Note 1. The linear output range cannot be set when connected to a 1 mV/10-digit Linear Output Board.
2. Not effective for operating mode 7.
No-voltage contact (30 Hz max., ON/OFF pulse width: 15 ms min.)
Voltage pulse (50 kHz max., ON/OFF pulse width: 9 µs min., ON voltage: 4.5 to 30 V/OFF
voltage: –30 to 2 V)
Open collector (50 kHz max., ON/OFF pulse width: 9 µs 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.
Operating modes 1 and 6: ±0.006%rdg±1 digit
Operating modes 2 to 5:
Operating mode 1: Rotational/circumferential speed 0.0005 to 50,000 Hz
Operating mode 2: Absolute ratio
Operating mode 3: Error ratio
Operating mode 4: Rotational difference
Operating mode 5: Flow rate ratio
Operating mode 6: Passing time
Operating mode 7: Pulse counting
5 digits (–19999 to 99999)
7-segment LED
"–" is displayed automatically with a negative input signal.
Leading zeros are not displayed.
Programming via front-panel key inputs. (0.0001 x 10
be set freely)
Can be set using prescale value teaching.
Max. value (peak) hold, Min. value (bottom) hold
HOLD (Process value held)
RESET (Maximum/minimum data reset, counting value reset)
BANK (Selection of one bank out of 4 banks of set values)
(Selection of one bank out of 4 banks of prescale values)
Programmable with front-panel key inputs (1 to 9999).
Variable linear output range (for models with linear outputs only)
Remote/Local processing (available for communications output models only)
Maximum/Minimum value data reset with front panel keys
Comparative output pattern selection
Process time for averaging measured values
Startup compensation time (0.0 to 99.9 s)
Time unit display
Security
Memory power failure
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)
Operating modes 1 to 6: 200 ms max.
Operating mode 7: 1 ms max.
Front panel: NEMA4X for indoor use (equivalent to IP66)
Rear case: IEC standard IP20
Terminals: IEC standard IP00
Non-volatile memory (EEPROM) (possible to rewrite 100,000 times)
±0.02%rdg±1 digit
–9
Appendix A
0.0005 to 50,000 Hz
0.0005 to 50,000 Hz
0.0005 to 50,000 Hz
0.0005 to 50,000 Hz
0.0005 to 50,000 Hz
0 to 4G count (32-bit counter)
9
to 9.9999 x 10 , decimal point can
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