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Up/Down Counting Pulse Indicator


Measure High-speed Up/down Pulses with this Up/down Pulse Meter.


Supply voltage 100 to 240 VAC, 24 VAC/VDC, DeviceNet power supply: 24 VDC
Allowable power supply voltage
85% to 110% of the rated power supply voltage, DeviceNet power supply: 11 to 25
Power consumption *1 100 to 240 VAC: 18 VA max. (max. load)
24 VAC/DC: 11 VA/7 W max. (max. load)
Current consumption DeviceNet power supply: 50 mA max. (24 VDC)
Input No-voltage contact, voltage pulse, open collector
External power supply 12 VDC±10% 80 mA
Hold input NPN open collector or no-voltage contact signal
ON residual voltage: 2 V max.
ON current at 0 Ω: 4 mA max.
Max. applied voltage: 30 VDC max.
OFF leakage current: 0.1 mA max.
Reset input
Bank input
on the
Relay output 250 VAC, 30 VDC, 5 A (resistive load)
Mechanical life expectancy: 5,000,000 operations, Electrical life expectancy:
100,000 operations
Transistor output Maximum load voltage: 24 VDC, Maximum load current: 50 mA, Leakage current:
100 μ A max.
Linear output Linear output 0 to 20 mA DC, 4 to 20 mA DC:
Load: 500 Ω max, Resolution: Approx. 10,000, Output error: ±0.5% FS
Linear output 0 to 5 VDC, 1 to 5 VDC, 0 to 10 VDC:
Load: 5 kΩ max, Resolution: Approx. 10,000, Output error: ±0.5% FS
(1 V or less: ±0.15 V; no output for 0 V or less)
Display method Negative LCD (backlit LED) display
7-segment digital display (Character height: PV: 14.2 mm (green/red); SV: 4.9 mm
Main functions Scaling function, measurement operation selection, output hysteresis, output OFF
delay, output test, and power interruption memory *2, display value selection,
display color selection, key protection, bank selection, display refresh period,
maximum/minimum hold, reset
Ambient operating temperature -10 to 55°C (with no icing or condensation)
Ambient operating humidity 25% to 85%
Storage temperature -25 to 65°C (with no icing or condensation)
Altitude 2,000 m max.
Accessories Watertight packing, 2 fixtures, terminal cover, unit stickers, instruction manual.
DeviceNet models also include a DeviceNet connector (Hirose HR31-5.08P-5SC
(01)) and crimp terminals (Hirose HR31-SC-121) *3

*1. DC power supply models require a control power supply capacity of approximately 1 A per Unit when power is turned
       ON. Particular attention is required when using two or more DC power supply models. The OMRON S8VS-series DC
       Power Supply Unit is recommended.
*2. The five displayed digits are stored in memory.
*3. For K3HB-series DeviceNet models, use only the DeviceNet Connector included with the product. The crimp terminals
       provided are for Thin Cables.


Display range - 19,999 to 99,999
Measurement range Functions F1, F2: ±2 gigacounts
Functions F3: 0 to 4 gigacounts
Input signals Contact input (dry contact input) (30 Hz max. with ON/OFF pulse width of 15 ms min.)
No contact voltage pulse
Mode Input frequency
ON/OFF pulse
ON voltage OFF voltage Input
F1 0 to 30 kHz 16 μs min. 4.5 to 30 V -30 to 2 V 10 kΩ
F2 0 to 25 kHz 20 μs min.
F3 0 to 50 kHz 9 μs min.
Open collector
Mode Input frequency
ON/OFF pulse
Note: The Up/Down Counting Pulse Meter will
malfunction if a pulse greater than the input
frequency range is input. SYSERR may appear
on the display.
F1 0 to 30 kHz 16 μs min.
F2 0 to 25 kHz 20 μs min.
F3 0 to 50 kHz 9 μs min.
Connectable sensors ON residual voltage: 3 V max.
OFF leakage current: 1.5 mA max.
Load current:
Must have a switching capacity of 20 mA or higher.
Must be able to properly switch load currents of 5 mA or less.
Max. No. of display digits 5 (- 19999 to 99999)
Comparative output
response time
1 ms max.: Transistor output; 10 ms max.: Relay contact output
(time until the comparative output is made when there is a forced sudden change in the
input signal from 15% to 95% or 95% to 15%)
Linear output response
10 ms max. (time until the final analog output value is reached when there is a forced
sudden change in the input signal from 15% to 95% or 95% to 15%)
Display error when using
±1 digit
Insulation resistance 20 MΩ min. (at 500 VDC)
Dielectric strength 2,300 VAC for 1 min between external terminals and case
Noise immunity 100 to 240 VAC models: ±1,500 V at power supply terminals in normal or common mode
(waveform with 1-ns rising edge and pulse width of 1 μs/100 ns)
24 VAC/VDC models: ±1,500 V at power supply terminals in normal or common mode
(waveform with 1-ns rising edge and pulse width of 1 μs/100 ns)
Vibration resistance Frequency: 10 to 55 Hz; Acceleration: 50 m/s2, 10 sweeps of 5 min each in X, Y, and Z
Shock resistance 150 m/s2 (100 m/s2 for relay outputs) 3 times each in 3 axes, 6 directions
Weight Approx. 300 g (Base Unit only)
Degree of
Front panel Conforms to NEMA 4X for indoor use (equivalent to IP66)
Rear case IP20
Terminals IP00 + finger protection (VDE0106/100)
Memory protection EEPROM (non-volatile memory)
Number of rewrites: 100,000
Applicable standards UL61010-1, CSA C22.2 No. 61010-1-04
EN61010-1 (IEC61010-1): Pollution degree 2/Overvoltage category II
EMC EMI: EN61326-1 Industrial electromagnetic environment
Electromagnetic radiation interference: CISPR 11 Group 1, Class A
Terminal interference voltage: CISPR 11 Group 1, Class A
EMS: EN61326-1 Industrial electromagnetic environment
Electrostatic Discharge Immunity: EN61000-4-2: 4 kV (contact), 8 kV (in air)
Radiated Electromagnetic Field Immunity: EN61000-4-3: 10 V/m sine wave amplitude
modulation (80 MHz to 1 GHz, 1.4 to 2 GHz)
Electrical Fast Transient/Burst Noise Immunity: EN61000-4-4: 2 kV (power line), 1 kV (I/O
signal line)
Surge Immunity: EN61000-4-5: 1 kV with line (power line), 2 kV with ground (power line)
Conducted Disturbance Immunity: EN61000-4-6: 3 V (0.15 to 80 MHz)
Power Frequency Magnetic Immunity: EN61000-4-8: 30 A/m (50 Hz) continuous time
Voltage Dips and Interruptions Immunity: EN61000-4-11: 0.5 cycle, 0°/180°, 100% (rated