C-134

Up/Down Counting Meter

K3NC

I Characteristics

I Input/Output Ratings

Relay Contact Output

(Incorporating a G6B Relay)

Transistor Output

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

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.

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

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)

Linear output response time 20 ms max.

Degree of protection

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)

Item

Resistive load (cos

φ = 1)

Inductive load (cos

φ = 0.4, L/R = 7 ms)

Rated load

5 A at 250 VAC; 5 A at 30 VDC

1.5 A at 250 VAC, 1.5 A at 30 VDC

Rated carry current

5 A max. (at COM terminal)

Max. contact voltage

380 VAC, 125 VDC

Max. contact current

5 A max. (at COM terminal)

Max. switching capacity

1,250 VA, 150 W

375 VA, 80 W

Min. permissible load

(P level, reference value)

10 mA at 5 VDC

Mechanical life

50,000,000 times min. (at a switching frequency of 18,000 times/hr)

Electrical life

(at an ambient temperature of 23

°C)

100,000 times min. (at a rated load switching frequency of 1,800 times/hr)

Rated load voltage

-15%

Max. load current

50 mA

Leakage current

100

µA max.