[USB-506A] USB 4-20mA Current Monitor (Compact) HuMANDATA LTD.

Overview

USB-506A is an isolated converter that connects to a PC or other device via USB and measures the 4-20 mA current. By isolating the USB side from the 4-20 mA side, stable measurement can be achieved through improved noise immunity and suppression of transient phenomena. In addition, the isolation provides robust protection for connected equipment.

USB-506A includes a built-in isolated power supply for powering 4-20 mA output devices and sensors, and either 24 VDC or 5 VDC can be used.
By using the dedicated application, USB-506 CV-Monitor, real-time display of measured data, scaling values, and graphs is available on a PC.
Dedicated control commands are also provided, enabling 4-20 mA measurement from user applications.

* Second and subsequent images are CG models

* Image with optional accessories

Features

• 4-20 mA measurement data acquisition via USB
• Measurement Range: 0-25 mA
• Measurement Accuracy: ≤ ±0.25% FS
• USB side and 4-20 mA side are electrically isolated (2500 VDC)
  （DC24V出力電源使用時はDC1500V）
• Easy control via virtual COM port with USB connection to a PC
• Enables 4-20 mA current output, auto-step, and auto-sweep operation via the included application
• Enables 4-20 mA output from user applications using dedicated control commands
• Controllable from embedded Linux devices
  It operates as a device of the standard CDC-ACM class.
  For Linux distributions with embedded CDC-ACM device drivers, you can use them without installing the drivers.
  We do not support the use of Linux itself.
• No external power supply is required
  USB-506A is powered through a USB port (Bus-powered)
• ESD and surge protection
• Pluggable the screw terminal
• Housing material: Plastic
• DIN rail, magnet, and screw mountable (Attachment is required)
• Includes a USB cable (1.8 m)
• Free from the 10 RoHS-restricted substances.
• MADE IN JAPAN

Specification

Item	Description	Remarks
Model	USB-506A
Input Power	5 VDC Supplied via USB cable	No external power supply required
Current Consumption	450 mA max. (When the built-in power supply is not used: 200 mA max.)
HOST Interface	USB 2.0 compliant (Full-Speed supported) USB-B connector	USB 1.1 compatible ESD protection
USB connector	Standard Type B Female
4-20 mA Connector	5-pin terminal block	Phoenix Contact Model: 1844249
Measuring Range	0 to 25 mA
Resolution	24-bit A/D Converter (ADC)
Measurement Accuracy	≤ ±0.25% FS
Sampling Period	Minimum setting unit: 10 ms	Selectable by command
Shunt Resistor	200 Ω ±0.01%
Built-in power supply	24 VDC (±5%) / 30 mA max. or 5 VDC (4.85 to 5.5 V) / 100 mA max.	Isolated from the USB side. Simultaneous output is not supported.
Isolation Protection	When the output power supply is not used: 2500 VDC When using the 24 VDC output power supply: 1500 VDC When using the 5 VDC output power supply: 2500 VDC	Designed value
LSI	General-purpose microcontroller 4-20 mA ADC
LED	PWR: Power LED
Control Method	Communication control via virtual COM port
Operating Ambient Temperature	-20 to 60°C (-4 to 140°F)	No condensation permitted
Operating Ambient Humidity	30 to 85% RH	No condensation permitted
Storage Ambient Temperature	-20 to 60°C (-4 to 140°F)	No condensation permitted
Storage Ambient Humidity	30 to 85% RH	No condensation permitted
Weight	Approx. 70 g	Only main body
Dimensions	67 x 43.5 x 27 mm (2.638" x 1.713" x 1.063")	Without projections

* There is a case to be changed to the parts of the compatibility.
* Power saving function (suspend, standby, sleep and others) is not supported

Application

This application runs on Windows and supports Windows 11 and Windows 10. By sending control commands to the device via USB, the application can output current from the device.
The application provides the following main functions:

• Current output using 4-20 mA current set values
• Current output using scaling settings
  and more

USB-506 CV-Monitor download page.

Connector (PIN ASSIGNMENT)

Connector	Pin Assignment	Signal
	NC	NC
	−	Current Terminal (−)
	＋	Current Terminal (＋)
	24 V	24 VDC
	5 V	5 VDC

Only one output power supply, either 24 VDC or 5 VDC, can be used at a time. Simultaneous use of both is not supported.

Package Contents

• USB-506A
• USB cable 1.8 m

Documentation

• User's manual, Outline Drawing, etc
• 

Price and Optional Accessories

Description	MODEL	Image	List Price (JPY)	Stock Status
USB 4-20mA Current Monitor (Compact)	USB-506A
Attachment with clamping screw	PEN-003
Attachment for 35mm DIN rail	PEN-003-DIN
Attachment with neodymium magnet	PEN-003-MG
Detachable 5P Terminal Connector (3.5mm) (Additional purchase)	TB35-USB-5

Ordering

HOW TO ORDER HuMANDATA PRODUCT