Frequency/Rate Meter
K3NR
K-133
I Input/Output Ratings
Relay Contact Output
(Incorporating a G6B Relay)
Transistor Output
BCD Output
Note: Logic method: negative logic
Linear Output
Note: For the 1 mV/10-digit output, the output voltage changes for every 40 to 50 increment in the display value.
I Communications Specifications
For details, refer to Communication Operation Manual.
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
24 VDC max.
Max. load current
50 mA
Leakage current
100
µA max.
I/O signal name
Item
Rating
Inputs
REQUEST, HOLD, MAX, MIN, RESET
Input signal
No-voltage contact input
Input current with no-voltage input
10 mA
Signal level
ON voltage: 1.5 V max.
OFF voltage: 3 V min.
Outputs
DATA, POLARITY, OVERFLOW,
DATA VALID, RUN
Rated load voltage
24 VDC max.
Max. load current
10 mA
Leakage current
100
µA max.
Item
4 to 20 mA
1 to 5 V
1 mV/10 digits (see note)
Resolution
4,096
Output error
±0.5% FS
±1.5% FS
Permissible load resistance
600
Ω max.
500
Ω min.
1 K
Ω min.
Item
RS-232C, RS-422
RS-485
Transmission method
4-wire, half-duplex
2-wire, half-duplex
Synchronization method
Start-stop synchronization
Baud rate
1,200/2,400/4,800/9,600/19,200/38,400 bps
Transmission code
ASCII (7-bit)
Communications
Write
Comparative set value, prescaling value, remote/local programming, reset control of maximum/mini-
mum values, and other setting mode items excluding communications conditions.
Read
Process value, comparative set value, maximum value, minimum value, model data, error code, and
others
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