Description

The ADU228 USB Solid-State Relay I/O Interface allows control of 8 SSR outputs, 8 contact or TTL inputs, and 8 event counters via a USB port. The ADU228 can effectively convert a standard PC to a powerful PLC (programmable logic controller). High quality PhotoMOS solid-state relays switch AC or DC loads. This low-cost serial relay contact interface is easy to use with VB, VB.NET, C, Python, MATLAB, LABView etc. via standard HID drivers included with Windows. A mini-driver (DLL) is also provided allowing control using standard ASCII commands using familiar readfile, writefile commands. The ADU228 includes a 10' USB cable and is available as a PCB, or in an enclosure with several mounting options including FLANGE and DIN rail.

Download the ADU228 User Manual

Download ADU228 3D STEP files for FLANGE, DIN and DESKTOP mounting types.

Key Features

Bus Powered, No external power supply required.
8, N. O. PhotoMOS SSR outputs rated 2.0A @ 120VAC, 2.0A @ 120VDC
CSA/UL Approved (EN60950-1), CE Marked
High Retention USB connector.
High quality PhotoMOS relays switch AC or DC loads.
8 Digital inputs suitable for contact or TTL Input, also accept up to 24VDC
Inputs feature optical isolation to 2500V (500V channel to channel)
Bi-colour LED status indicator.
High quality cage-clamp type terminal blocks.
Uses standard HID drivers included with Windows
Mini-driver (DLL) provided for use with VB,VC, LabVIEW and TestPoint
Programming examples and sample code included for VB, Visual C++
Meets IEC61000-4-2 ESD protection for USB port.
Available as standard desktop mount or optional FLANGE or DIN rail mount.

Typical Applications

PC/USB to PLC Interface
USB Stacklight Controller
Security/Access Systems
Point-of-Sale Auxillary I/O
SCADA Systems
Kiosk Automation
OEM Instruments Embedded Control
Parking Gate Control
HVAC/Building Control

Technical Specification

Supply Voltage	NONE (Bus Powered)
Supply Current (Relays De-energized)	12mA Typical 15mA Max
Supply Current (All Relays Energized)	150mA Typical 170mA Max
USB Connection Type	Full-speed USB 1.1
Operating Temperature	0-50C
Type	PhotoMOS - Normally Open
AC Ratings	2.0 Amps @ 120VAC MAX
DC Ratings	2.0 Amps @ 120VDC MAX
On-state Resistance Typical	180mOhm
On-State Resistance Maximum	350mOhm
Maximum Operating Speed	1CPS at full load
Relay Approvals	UL, CSA, TUV
Vin HIGH (MAX)	28VDC
Vin HIGH (MIN)	2.0VDC
Vin LOW (MAX)	0.7 VDC
Vin LOW (MIN)	0VDC
Event Counter Resolution	16-bit
Event Counter Input Type	Contact, TTL Voltage or up to 24VDC
Event Counter Input Z	2700 ohms
Event Counter Max Frequency	1KHz
Programmable De-bounce	10ms, 1ms, 100us, NONE
Mounting Options	Desktop, Velcro, Flange, DIN Rail

Pricing

ADU228 Qty 1-4

$245.00USD

ADU228 Qty 5-9

$225.00USD

ADU228 Qty 10+

$210.00USD

IMPORTANT: Specify mounting option when ordering. -DESKTOP (Standard) -VELCRO, -FLANGE or -DIN . See Mounting Options for details.