USB Converter
[USB-050V] 2 Channel USB Analog Voltage Monitor HuMANDATA LTD.
[USB-050V] 2 Channel USB Analog Voltage Monitor
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Measurement data from 2 analog channels (±10V)
can be acquired via USB.
The USB interface is independently isolated from each channel.
Overview
USB-050V is a voltage monitor capable of measuring two channels of analog voltage (±10 V) via USB. The USB interface and each channel are independently isolated. An A/D converter is provided for each channel, enabling simultaneous measurement of two channels.
Power is supplied from the computer via the USB connection. When using a USB hub or similar device for branching, ensure that a stable power supply is provided to prevent voltage drops. If the voltage is insufficient, stable measurement may not be possible.
By using the included application software, USB-050V Voltage Monitor, measurement results, scaling values, and chart displays can be viewed on a computer.
In addition, by using the dedicated control commands, analog voltage (±10 V) measurements can also be performed from a custom application.
* Second and subsequent images are CG models
Features
- Measurement data from 2 analog channels (±10 V) can be acquired via USB.
- Measurement Range: ±10 V
- Measurement Accuracy: ≤ ±0.05% FS
- USB side and each channel are electrically isolated (2500 VDC)
- Enables voltage monitoring, scaling, and chart visualization via the supplied software.
- Enables measurement of analog voltage (±10 V) 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. - Easy control via virtual COM port with USB connection to a PC
- No external power supply is required
USB-050V 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-050V | |
| Input Power | 5 VDC Supplied via USB cable |
No external power supply required |
| Current Consumption | 450 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 | |
| Voltage Input Connector | Detachable terminal block 2-pin / 5 mm pitch × 2 |
Molex Model: 39520-0002 |
| Number of Channels | 2 | |
| Measuring Range | ±10 V | |
| Resolution | 24-bit A/D Converter (ADC) | |
| Measurement Accuracy | ≤ ±0.05% FS (−20 to 50°C) ≤ ±0.03% FS (0 to 40°C) |
|
| Isolation Method | Independent bus isolation | |
| Isolation Protection | 2500 VDC | Designed value |
| Built-in 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 50°C (-4 to 122°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. 90 g | Only main body |
| Dimensions | 67 x 67 x 28 mm (2.638" x 2.638" x 1.102") |
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:
- Display of measured values (voltage) and scaled values
- Real-time chart display
- Measurement log display
- Scaling configuration
- Sampling and logging interval configuration
- CSV file generation and export
and more

USB-050 Voltage Monitor download page.
Voltage Input connector (PIN ASSIGNMENT)
| Symbol | Description |
|---|---|
| − | Voltage Input (−) |
| + | Voltage Input (+) |

*Illustration showing the detachable terminal block removed.
Package Contents
- USB-050V
- USB cable 1.8 m
Documentation
Price and Optional Accessories
| Description | MODEL | Image | List Price (JPY) | Stock Status |
|---|---|---|---|---|
| 2 Channel USB Analog Voltage Monitor |
USB-050V | ![]() |
||
| Attachment with clamping screw |
PEN-003 | ![]() |
||
| Attachment for 35mm DIN rail |
PEN-003-DIN | ![]() |
||
| Attachment with neodymium magnet |
PEN-003-MG | ![]() |
Ordering
[USB-034] USB to 4-20mA Generator HuMANDATA LTD.
High-precision control of 4–20 mA current output via USB.
Isolation between the USB and 4-20 mA output side.
Overview
USB-034 is a generator that allows control of 4-20 mA signals from a computer via USB. The USB side and the 4-20 mA output side are electrically isolated. It also includes a built-in loop power supply for the 4-20 mA side.
USB-034 can be used as a 4-20 mA signal generator when utilizing a computer for instrumentation and control applications.
Dedicated control commands are also provided, allowing the 4-20 mA output to be controlled from your own custom applications.
Features
- A generator that outputs 4-20 mA current via USB.
- USB side and the 4-20 mA output side are electrically isolated (1500 VDC)
- Output Accuracy: 0.05 % FS or less (@25 °C)
- Built-in loop power supply for the 4-20 mA side (switch selectable)
- 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-034 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
Specifications
| Item | Description | Remarks |
|---|---|---|
| Model | USB-034 | |
| Input Power | 5 VDC/400 mA max. Supplied through a USB port (Bus-powered) |
No external power supply required |
| HOST Interface | USB 2.0 compliant (Support Full Speed) |
USB 1.1 compatible ESD protection ±11 KV |
| Output Connector | 3-pin terminal block | Phoenix Contact Model: 1759020 |
| Output Range | 4-20 mA or 3.2-24 mA | Selectable by command |
| Resolution | 16-bit D/A Converter (DAC) | |
| Output Accuracy | 0.05 % FS or less (@25 °C) | When output range is 4-20 mA |
| Alarm Current | Downscale alarm current: 3.2 mA Upscale alarm current: 22.8 / 24 mA |
Selectable by command |
| External Loop Power Supply | 20-52 VDC | Drive capability varies depending on the supplied voltage. |
| Load Resistance | When using built-in loop power supply: 1200 Ω max. When using external loop power supply: 1200 Ω max. (@52 VDC) 500 Ω max. (@24 VDC) |
|
| Isolation Method | Bus isolation | |
| Isolation Protection | 1500 VDC | Designed value |
| LSI | General-purpose microcontroller 4-20cmA DAC |
|
| LED | Status LED x 2 Power LED |
|
| Control Method | Communication control via virtual COM port | |
| Operating Ambient Temperature | -20 to 60 ℃ (-4 to 140 °F) | No condensation permitted |
| Operating Ambient Humidity | 30 to 85 %RH | No condensation permitted |
| Storage Ambient Temperature | -20 to 60 ℃ (-4 to 140 °F) | No condensation permitted |
| Storage Ambient Humidity | 30 to 85 %RH | No condensation permitted |
| Noise Immunity | Not specified | |
| Compliance Standards | VCCI Class B | |
| Weight | Approx. 90 g | Only main body |
| Dimensions | 67 x 67 x 28 mm (2.638" x 2.638" x 1.102") |
Without projections |
* 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
- Auto Step output
- Auto Sweep output
and more

USB to 4-20 mA Generator download page.
Interface Terminal (PIN ASSIGNMENT)
| Pin No | Signal |
|---|---|
| 1 | Current Terminal (+) |
| 2 | Current Terminal (−) |
| 3 | Loop Power (LP) |
Package Contents
- USB-034
- USB cable 1.8 m
Documentation
Price and Optional Accessories
| Description | MODEL | Image | List Price |
Stock Status |
|---|---|---|---|---|
| USB to 4-20mA Generator |
USB-034 | ![]() |
||
| Attachment with clamping screw |
PEN-003 | ![]() |
||
| Attachment for 35mm DIN rail |
PEN-003-DIN | ![]() |
||
| Attachment with neodymium magnet |
PEN-003-MG | ![]() |
||
| Detachable 3P Terminal Connector (5.08mm) 1757022 (Phoenix) (Additional purchase) |
TB-USB-3 | ![]() |
Ordering
[USB-511] USB to RS-232C Converter Compact HuMANDATA LTD.
[USB-511] USB to RS-232C Converter Compact (Configurable serial settings)
Supports up to 1 Mbps, and custom baud rate
Configurable data length, stop bits, and parity check settings.
Overview
USB-511 is a USB to RS232C converter that isolated with 2500VDC between RS232C and a USB port. It supports High Speed baud rates of up to 1Mbps. The device driver uses the standard CDC (Communication Device Class) driver included in the OS.
Features
- Supports RS232C
- 2500VDC bus isolation
- Baud rate up to 1Mbps
- Supports custom baud rate
- Configurable data length, stop bits, and parity check settings.
(The low-cost version, USB-501, has these settings fixed.) - Auto transmit data control
Built-in USB-serial chip has auto transmit controller and the driver is activated when it transmit the data - 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-511 is powered through a USB port (Bus-powered) - Reliable industrial grade design
- ESD and surge protection
- Housing material: Plastic
- DIN rail, magnet, and screw mountable (Attachment is required)
- Includes a USB cable (1.8m)
- Free from the 10 RoHS-restricted substances.
- MADE IN JAPAN
Specification
| Item | Description | Remarks |
|---|---|---|
| Model | USB-511 | |
| Input Power | 5VDC Supplied through a USB port (Bus-powered) |
No external power supply required |
| Current Consumption | Less than 100 mA | |
| I/O Interface | RS-232C | ESD protection |
| Communication Method | Asynchronous Serial Communication |
|
| HOST Interface | USB 2.0 compliant Support Full Speed (12 Mbps) |
USB 1.1 compatible ESD protection |
| Baud Rate | 1,200 bps to 1 Mbps | Support custom baud rate |
| Data Bits | 7 or 8 bit | |
| Stop Bits | 1 or 2 bit | |
| Parity | Even, Odd, No-parity, Mark, Space | |
| Flow control | RTS/CTS (Fixed) | |
| FIFO RX Buffer Size | 384 bytes | |
| FIFO TX Buffer Size | 128 bytes | |
| Isolation Method | Bus Isolation | |
| Isolation Protection | 2500VDC | Designed value |
| USB Driver | Virtual COM port driver | |
| Support OS | Windows 11/10/8.1/8/7 | |
| LED | PWR: USB bus power TX/RX: Transmit/Receive data, Bi-color LED |
TX: green, RX: red |
| USB Connector | Standard Type B Female | |
| RS232C Connector | D-SUB 9pin Male (#4-40 UNC) | |
| Operating Ambient Temperature | -20 to 60℃ (-4 to 140 [°F]) | No condensation permitted |
| Operating Ambient Humidity | 30 to 85%RH | |
| Storage Ambient Temperature | -20 to 60℃ (-4 to 131 [°F]) | |
| Storage Ambient Humidity | 30 to 85%RH | |
| Weight | Approx. 50 [g] | Only main body |
| Dimensions | 67 x 43.5 x 27 [mm] (2.638" x 1.713" x 1.063") |
Without projections |
* Power saving function (suspend, standby, sleep and others) is not supported
RS232C Connector pinouts
| Pin No | Name | Direction | Notes |
|---|---|---|---|
| 1 | NC | - | |
| 2 | RXD | IN | Receive data |
| 3 | TXD | OUT | Transmit data |
| 4 | DTR | OUT | Data terminal ready |
| 5 | GND | - | Signal ground |
| 6 | DSR | IN | Data set ready |
| 7 | RTS | OUT | Request to send |
| 8 | CTS | IN | Clear to send |
| 9 | NC | - | |
| CASE | FG | - | Connected to GND |
Package Contents
- USB-511
- USB cable 1.8m
Documentation
Price and Optional Accessories
| Description | MODEL | Image | List Price (JPY) | Stock Status |
|---|---|---|---|---|
| USB to RS-232C Converter Compact |
USB-511 | ![]() |
||
| Attachment with clamping screw * |
PEN-003 | ![]() |
||
| Attachment for 35mm DIN rail * |
PEN-003-DIN | ![]() |
||
| Attachment with neodymium magnet * |
PEN-003-MG | ![]() |
||
| D-sub 9pin - TB Adapter with FG Terminal |
ACC-045 | ![]() |
* These accessories attach to the product horizontally only.
Ordering
[USB-507] USB to RS485 Converter Compact (MAX 6Mbps) HuMANDATA LTD.
Compact isolated USB RS-485 Converter
Overview
USB-507 is a USB to RS485 converter that can use RS-485 from USB interfaces. This is an insulation type that can be used safely even in the FA environment.
Features
- Supports RS485 (Half Duplex)
- 2000VDC bus isolation
USB side and RS-485 side are isolated - Baud rate up to 6 Mbps
- Supports custom baud rate
- Auto transmit data control
Built-in USB-serial chip has auto transmit controller and the driver is activated when it transmit the data - Built-in fail-safe bias resisters
- Termination resistance setting switch
- Pluggable the screw terminal
- No external power supply is required
USB-507 is powered through a USB port (Bus-powered) - Reliable industrial grade design
- ESD and surge protection
CE-certified USB-003 is also available - Housing material: Plastic
- DIN rail, magnet, and screw mountable (Attachment is required)
- Includes a USB cable (1.8m)
- Free from the 10 RoHS-restricted substances.
- MADE IN JAPAN
![]() |
Reference dataUSB Compliance testEye pattern of upstream tests ![]() |
Specification
| Item | Description | Remarks |
|---|---|---|
| Model | USB-507 | |
| Input Power | 5VDC Supplied through a USB port (Bus-powered) |
No external power supply required |
| Current Consumption | Less than 250 mA | |
| I/O Interface | RS485 (2-wire) | ESD protection |
| HOST Interface | USB 2.0 compliant Support High/Full Speed |
USB 1.1 compatible ESD protection |
| Baud Rate | 300 bps to 6 Mbps | Support custom baud rate |
| Data Bits | 7 or 8 bit | |
| Stop Bits | 1 or 2 bit | |
| Parity | Even, Odd, No-parity | |
| FIFO RX Buffer Size | 1024 bytes | |
| FIFO TX Buffer Size | 1024 bytes | |
| Isolation Method | Bus Isolation | |
| Isolation Protection | 2000VDC | Designed value |
| Processor | FT232H | FTDI |
| USB Driver | Virtual COM port driver | |
| Support OS | Windows 11/10/8.1/8/7 | |
| LED | PWR: USB bus power RX: Receive data TX: Transmit data |
|
| USB Connector | USB2.0 Type-B Female | |
| RS485 Connector | Pluggable the screw terminal 5pin (PHOENIX CONTACT) | 3.5mm pitch |
| Operating Ambient Temperature | -20 to 60℃ (-4 to 140 [°F]) | No condensation permitted |
| Operating Ambient Humidity | 10 to 90%RH | No condensation permitted |
| Storage Ambient Temperature | -20 to 60℃ (-4 to 140 [°F]) | No condensation permitted |
| Storage Ambient Humidity | 10 to 90%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 |
* Power saving function (suspend, standby, sleep and others) is not supported
RS485 Connector pinouts
Terminal block can be plugged and unplugged while tired. But do not connect or disconnect the terminal block while the power is on. Ground connection is recommended.
| Signal | Signal and Polarity | |
|---|---|---|
![]() |
B | SD/RD - |
| A | SD/RD + | |
| GND | Signal ground | |
| B | SD/RD - | |
| A | SD/RD + |
Package Contents
- USB-507
- USB cable 1.8m
- Driver & Application CD
Documentation
Price and Optional Accessories
| Description | MODEL | Image | List Price (JPY) | Stock Status |
|---|---|---|---|---|
| USB to RS485 Converter Compact |
USB-507 | ![]() |
||
| 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 1840395 (Phoenix) (Additional purchase) |
TB35-USB-5 | ![]() |
Ordering
[USB-508] USB to RS485/422 Converter Compact HuMANDATA LTD.
Compact isolated USB RS-485/422 Converter
Overview
USB-508 is a USB to RS485/422 converter that can use RS-485/422 from USB interfaces. This is an insulation type that can be used safely even in the FA environment.
Features
- Supports RS-485/422 (Full-duplex)
- 2000VDC bus isolation
USB side and RS-485/422 side are isolated - Baud rate up to 12 Mbps
- Supports custom baud rate
- Auto transmit data control
Built-in USB-serial chip has auto transmit controller and the driver is activated when it transmit the data - Built-in fail-safe bias resisters
- Termination resistance setting switch
- Pluggable the screw terminal
- No external power supply is required
USB-508 is powered through a USB port (Bus-powered) - Reliable industrial grade design
- ESD and surge protection
CE-certified USB-003 is also available - Housing material: Plastic
- DIN rail, magnet, and screw mountable (Attachment is required)
- Includes a USB cable (1.8m)
- Free from the 10 RoHS-restricted substances.
- MADE IN JAPAN
![]() |
Reference dataUSB Compliance testEye pattern of upstream tests ![]() |
Specification
| Item | Description | Remarks |
|---|---|---|
| Model | USB-508 | |
| Input Power | 5VDC Supplied through a USB port (Bus-powered) |
No external power supply required |
| Current Consumption | Less than 250 mA | |
| I/O Interface | RS-485/422 (4-wire) | ESD protection |
| HOST Interface | USB 2.0 compliant Support High/Full Speed |
USB 1.1 compatible ESD protection |
| Baud Rate | 300 bps to 6M/8M/12M bps | Support custom baud rate |
| Data Bits | 7 or 8 bit | |
| Stop Bits | 1 or 2 bit | |
| Parity | Even, Odd, No-parity | |
| FIFO RX Buffer Size | 1024 bytes | |
| FIFO TX Buffer Size | 1024 bytes | |
| Isolation Method | Bus Isolation | |
| Isolation Protection | 2000VDC | Designed value |
| Processor | FT232H | FTDI |
| USB Driver | Virtual COM port driver | |
| Support OS | Windows 11/10/8.1/8/7 | |
| LED | PW: USB bus power TX/RX: Transmit/Receive data (Bi-Color LED) |
TX: GREEN RX: RED |
| USB Connector | USB2.0 Type-B Female | |
| RS-485/422 Connector | 5pin Detachable screw terminal | PHOENIX CONTACT 3.5mm pitch |
| Operating Ambient Temperature | -20 to 60℃ (-4 to 140 [°F]) | No condensation permitted |
| Operating Ambient Humidity | 10 to 90%RH | |
| Storage Ambient Temperature | -20 to 60℃ (-4 to 140 [°F]) | |
| Storage Ambient Humidity | 10 to 90%RH | |
| 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 |
* Power saving function (suspend, standby, sleep and others) is not supported
RS485/422 Connector pinouts
Terminal block can be plugged and unplugged while tired. But do not connect or disconnect the terminal block while the power is on. Ground connection is recommended.
| Signal | Signal and Polarity | |
|---|---|---|
![]() |
Z | SD - |
| Y | SD + | |
| GND | Signal ground | |
| B | RD - | |
| A | RD + |
Package Contents
- USB-508
- USB cable 1.8m
- Driver & Application CD
Documentation
Price and Optional Accessories
| Description | MODEL | Image | List Price (JPY) | Stock Status |
|---|---|---|---|---|
| USB to RS485/422 Converter Compact |
USB-508 | ![]() |
||
| 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 1840395 (Phoenix) (Additional purchase) |
TB35-USB-5 | ![]() |
User's manual, Outline Drawing, etc



















