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Speedometer / Totalizer [Switchable] SPD-4801
(Digital Panel Meter / Signal Converter / Indicator Alarm Meter / Rotation Pulse Meter)

NEW
 Dual Analog Outputs & Ethernet (LAN) options now available
Specifications
Option
Dimensions
Applications
Manual Downloads
Software Downloads

High Precision & Fast Response with PeriomaticTM

Measures frequency via sensor pulse signals. Displays and outputs at any rate such as rpm, L/h, km/h, etc.

Supports Various Sensors with Pulse Output *Diagram includes optional functions

Input
Pulse (Frequency) Output Sensors
Gear Sensor
 Flow Sensor
  
Rotary Encoder
 Linear Encoder

Input Pulse
• General Purpose • A/B Phase • Line Driver

• 5V Logic • Zero Cross • 12V Logic
• NPN Open Collector • Customized Signals
Sensor Power Supply
• 12V / 5V / Others
Processing (Speed, Freq, Period, Totalizing)
PeriomaticTM
Fast & Precise		 Trigger 0-9.00V
Universal Sensor Support
3-step Hysteresis Moving Avg (max 99) Pull-up ON/OFF
Low Cut HOLD Totalizing
SPD-4801
Power
• DC 9.6-30V
• AC 100-240V		 Setup
• Front Buttons
• LINKSHIP (Software)
• PL-5A (External Unit)
Output
16-bit Analog
CAN
Ethernet
RS-485
Alarm
USB

PC, PLC, Logger, Oscilloscope, etc.

Integrated Totalizing [Switchable]
For Measurement/Control of Angle, Position, Length, Flow, Winding, etc.

Enclosure & Multi-CH Support [Customization: Contact us]

Flexible Measurement & CH Count
Orders from 1 Unit
Convenient, Easy, Low Cost
Calibratable as Integrated Unit
Modified Specs: Power, Voltage, Comms
Calibration & Traceability Docs available

Customization Examples [Available for Purchase]

> View Cases

Enclosure

> Details

Enclosure

> Details

Multi-CH Box

> Details

Multi-CH w/ Display

> Details

HDMI Output + SW

> Details

Rack Mount

> Details

CAN Output 1ms Update [Option]

Significantly reduces wiring compared to BCD via 3-wire connection.
Strong noise immunity and safety via robust error detection.

SAE J1939 (DLC 8-byte or less) customization cases available
Please consult us for other customizations.

RS-485, Ethernet (LAN) [NEW] [Option]

USB Type-C 1ms Update [Standard] For Logging & Setup

16-bit Analog 0.1ms Update [Option]

Resolution > 50,000, full/zero scale settings, zero-adjustment supported.

Dual Analog Output available [NEW] [Option]

Optional dual outputs, e.g., concurrent 0-10V and 4-20mA.

Alarm Output 1ms Update [Option] 1-4 points

Input 600μHz - 1MHz | Res: 10.4ns

Versatile Signals

5V Logic
Zero Cross
NPN Open Collector
12V Logic
Custom Signals

Input Options

Isolated Input
A/B Phase Input
Line Driver

Adjustable

Trigger 0-9.99V
3-step Hysteresis
Pull-up ON/OFF
Trigger Level (Threshold) 0-9.00V Variable
Supports various sensors

Standard meters often fix at 2.5V, but SPD supports 0-9V adjustable in 10mV increments.
Highly compatible with various sensors.

or can be input
Threshold 0.5V   Threshold 7V  

Sensor Power [Option]

5V
12V
Other Voltages

PeriomaticTM Computation　High accuracy from ultra-low to high speeds. Follows sudden changes and stops.


What is PeriomaticTM?

Moving Average: Max 99

Low-cut Function　Judges stop at speeds below the set value

Additional Control Inputs[Option] HOLD, Zero-shift, etc.

Easy Setup, Measurement, and Mounting　Designed for On-site Usability

Front Panel Setup and Measurement　Key lock prevents accidental operation

(A) Operation Indicator LED
(B) Front Panel Sheet Buttons
- [Program Mode] MODE, Digit selection, Value setting, ENTER
- [Measurement Mode] Span shift, Zero shift
- Key lock, etc.


Front Panel: Blue/Pink Type [Option]
*Design subject to change
Mounting Hooks [L/R]
Mount to panel without tools
　
Ethernet (LAN) option also available

Smart Setup / Logging　Settings management, report printing, and CSV logging via free dedicated software LINKSHIP

　> To LINKSHIP Page　

CSV Logging


Logging by specified intervals. Custom logger software available.

Compare/Verify Settings


Compare and verify multiple settings lists.

PC Save/Copy


Prevents manual entry errors; reduces management time and costs.

Prevent Errors


Configure and verify on PC. Prevents physical button operation errors.

Reduce Setup Workload



Copy master settings to multiple units simply by writing data.

USB Type-C Equipped: Setup/Logging

PC-Free Handy External Configurator (Sold separately)


> PL-5A Product Page
*Setup only. Does not support data logging or power supply.

Supply Voltage: DC 9.6-30V / AC 100-240V　[Select Model]

Isolation　Electrical isolation between power supply and other I/O

Applications

　See more Applications >　

Instantaneous and totalized flow measurement


Instantaneous Flow Rate
Total Flow Rate

Measurement of motor rotation and belt travel


Rotation Speed
Amount of movement
Simultaneous measurement of multiple

Speed, Frequency - CAN conversion


Main Specifications

　Model List / Options >　
Model SPD-4801
Measurement Method PeriomaticTM B-Method (Period Calculation)
Input Section
Input Points 1 point
Input Range 0.0006Hz - 1.0MHz
Input Resolution Approx. 10.4ns (96MHz)
Input Signal 5V Logic, Zero-cross, NPN Open Collector, 12V Logic, Customized Signal
Input Method Single-phase, 2-phase (Direction, UP/DOWN)
General-purpose Input Type
Level/Sensitivity
5V Logic Trigger: 2.5V Hysteresis: ±0.4V
Zero-cross Trigger: 0V Hysteresis: ±0.03V
NPN Open Collector Trigger: 2.5V Hysteresis: ±0.4V
12V Logic Trigger: 6V Hysteresis: ±0.4V
Customized Signal Trigger: 0-9.0V (10mV increments)
Hysteresis: S ±0.03V, M 0.4V, L (Trigger ≤4.7V: ±1.3V, >4.7V: ±2.6V)
Input Pulse ≥0.2μs (S/M Hysteresis) / ≥0.3μs (L Hysteresis) for both H/L levels
Input Resistance 10kΩ: 5V Logic, Zero-cross, NPN, Customized (Trigger ≤4.7V)
5kΩ: 12V Logic, Customized (Trigger ≥4.71V)
Withstand Voltage ±30V *General-purpose input option: I/O is non-isolated
　
Line Driver Input Type (Option)
Input Signal Line Driver Signal
Withstand Voltage ±25V (Differential)
Recommended Driver AM26LS31 equivalent
Termination 300Ω (Standard) *Line driver input option: I/O is isolated
　
2-phase (AB phase) Input Type (Option) Switchable between single and 2-phase. For single-phase, levels follow 2-phase specs.
Level/Sensitivity
5V Logic Trigger: 2.5V
Zero-cross Trigger: 0V
NPN Open Collector Trigger: 2.5V
12V Logic Trigger: 6V
Customized Signal Trigger: 0V/2.5V/6V　Hysteresis: S ±0.03V, M 0.4V
Input Pulse ≥0.2μs for both H/L levels
Input Resistance 10kΩ
Withstand Voltage ±30V
   
Common Input Features
Low-pass Filter OFF / 500Hz / 5kHz / 120kHz / 800kHz
Trigger Falling edge
Connector 7.62mm pitch terminal block, M3 screws
Sensor Power Output Option: [H] DC +12V±5% 60mA max / [L] DC +5V±5% 150mA max
   
Calculation Section
Measurement Mode Speedometer / Frequency Meter / Period Meter (seconds only) / Totalizer [Switchable]
Calculation Rate Set ref. pulses, ref. change amount, and speed unit time relative to input freq.
Division Ratio 1 - 60000
Moving Average 1 - 99
Dynamic PredictionTM 8 levels (incl. continuous/stop prediction)
Control Input None or 1 point (model dependent). [D2] option adds 2 points.
(Settings) Functions set per control input (CTL) for external control
[Functions] Hold (Current/Max/Min/Peak-to-Peak), Zero-shift (Total), Span-shift (Total), Stop/Start totalization
[Logic] Normally Open / Normally Closed
(Operation) CTL terminal reflects settings when shorted (or opened) to GND based on logic
(Data Comm.) Command control via comms (USB, CAN, RS-485) *Comms commands cannot be cleared via terminals; reset required
Low-cut Function Judges stop at speeds below the set value
   
Display Section
Display (Numeric) 6-digit 7-segment LED, 14.2mm height. SPD-4801: Red / SPD-4801-G: Green (Option)
Range: -199999 to 999999. Polarity: "-" lights for reverse rotation
Overflow: OL. Zero Display: Leading zero suppression
Update: 0.3s (Settable 0.1 - 9.9s). Accuracy: 20ppm±1digit
Decimal Point Semi-fixed (set in program mode): 0 to 4 digits
Indicators
(4 Circular LEDs)		 [IN] Input activity. [RUN] Function setting active.
[COMP1][COMP2] Comparator output ON (Option)
   
USB Communication
Specs USB 2.0 (Serial port comms via Virtual COM, 230.4kbps)
Functions Read/Write settings, continuous output of measured values
Output Update 1ms - 9999.9ms (0.1ms increments)
   
General Specifications
Operating Environment -10°C to +50°C, 35-85%RH (Non-condensing)
Supply Voltage
[Select Model]		 [AF] AC100-240V (Max rating AC85-264V) 50/60Hz
[DF] DC 9.6-30V (Max rating DC9-36V) with reverse protection
Power Consumption ≤3W
Isolation Power supply vs. other I/O
Withstand Voltage DC 500V for 1 minute between terminals
Weight Approx. 340g
   
CAN Option
Specs CAN 2.0B 10k-1M bps. Format (Intel/Motorola), Frame (11-bit/29-bit)
Functions Read/Write settings, continuous output of measured values
Setting Items CAN TX ID, CAN RX ID
Output Update 1ms - 9999.9ms (0.1ms increments)
   
RS-485 Option　Modbus RTU support available upon request
Max Connections 32 units
Comm. Form 2-wire multi-drop serial
Comm. Method Asynchronous
Standard RS-485
Baud Rate 9600 / 19200 / 38400 bps
Data Format Start 1-bit / Stop 1-bit / Data 8-bit / Parity None
Code ASCII
Functions Read/Write settings, measurement output (responds to commands)
   
Analog Output Option
Signal [E1] 0-10V [E5] 0-5V [R1] ±10V [R5] ±5V [I1] 4-20mA [Select Model]
D/A Method DAC method
Resolution 16-bit (over 50,000)
Load Resistance Voltage: ≥4.7kΩ / Current: ≤300Ω
Accuracy ±0.1% of FS @ 23°C (Voltage and Current)
Temperature Drift ≤±200ppm/°C
Scaling Arbitrary scaling via full-scale and zero-scale settings
Update Time 0.1ms - 9999.9ms (0.1ms increments)
I/O Delay Update time + Analog rise time ≤ 150μs
   
Comparator (Alarm) Output Option
Setting Method Configured in program mode
Outputs 0 - 4 points (depending on model selection)
1 point for line driver input with comparator analog output
Output Type Isolated contactless output (PhotoMOS relay), non-polarized
ON resistance COMP-COM: [C2] ≤ 50Ω / [C1] ≤ 100Ω
Load Voltage Peak AC/DC 280V 100mA (Resistive), ON resistance ≤ 50Ω
Output Logic Polarized comparison (0 > negative)
[Above] ON when ≥ set value
[Below] ON when ≤ set value
[In Range] ON within range, OFF outside
[Out of Range] ON outside range, OFF within
Update Time Based on analog update setting / Response ≤ 1ms
   
Ethernet Option
Connector RJ-45 (Lantronix XPort)
Interface 100BASE-TX / 10BASE-T (Auto-negotiation)
Cat. 4 / Cat. 5 supported
Specs Protocol TCP/IP via Telnet connection
Update Time Follows USB specs (1 - 9999ms)
Compatibility DIX Ethernet Ver. 2.0 IEEE 802.3
LED Display 100BASE-TX / 10BASE-T
Link/Activity Full/Half duplex (Telnet does not support SSL/TLS or SSH encrypted networks)
   

Related products　

For flow measurement
Flow sensor list>

For rotation measurement
Gear Sensor List>

24x48 size
SPD-24 series>

Low cost type
SPDL-24 series>

Handy type
SPD-HD>

Other Measurement Genres　

　View All >　
Load Cell/Pressure/Strain CAN Conversion
DC Current DC Voltage
Thermocouple (Temp) Thermistor (Temp)
RTD (Temp) Resistance
Speed / Totalizing Freq. Deviation / Torque

- CAN & 16-bit Analog (Voltage/Current) Output
- USB-C: Setup and Data Logging
- Alarm Output / RS-485
- Dedicated Free Software: Settings Management, Report Printing, and Data Logging


EX48


EX(L)24

　> To Inquiry Form　
Technical Consultations
For questions about product setup, usage, and measurement