PROTOSMART

4 Channel USB Relay Controller

Order code : PS-CTL-01002

This is a simple 4 channel USB based general purpose Relay controller which allows computer controlled switching of external devices. It appears as a Virtual Serial COM port and is capable of switching loads rated up to 250VAC/10A. THe controller supports simple ASCII protocol to enable easy custom application development and is also supplied with free software Smart Control so that the product can be used straight away out of the box.

Features

Connects to PC through USB port
USB Powered (Can also be powered externally)
Appears as a Virtual Serial (COM) port allowing easy communication with the board through any programming language that supports serial communications
Simple ASCII protocol to Change/Get Relay status so any Serial terminal program like Hyper terminal can be used
```
For example,
O0=1<ENTER> turns ON Relay 1
O0=0<ENTER> turns OFF Relay 1
```
Led indicators for each Relay, Power & USB
Screw terminals for Relay connections
Free Graphical User Interface based software Smart Control
Controller supported by standoffs at each corner for improved safety

Specifications

UL, CUL & TUV recognized SPDT Relays

Relay contact rating

Normally Open (NO) [AC:10A@250V, DC:10A@30V]
Normally Close (NC) [AC:5A@125V, DC:10A@28V]

Screw terminals for Common (C), Normally Open (NO) & Normally Close (NC) contacts
Optional 5VDC input through 2.1mm DC jack (center +ve), max. current consumption 400mA
Commands to control one or all Relays at a time
3mm mounting holes at each corner
Dimensions : 100mm x 82mm
Operating temperature -20C to +85C

Software

Instant Switching of Relays

Auto Switching of Relays

	At any time of day
	On any day of week
	Ability to repeat switching every week

Auto Switching also allows to use a Relay

	As a one shot Relay (Pulse)
	As timed Controlled Relay

Supports hot keys for instant Relay control
Auto control settings are restored on Software/Computer restart

Downloads

Software
Smart Control Software V1.2
Note:
Microsoft .NET Framework 4.0 is required for both Softwares.

Documents
4 Channel USB Controller Datasheet
4 Channel USB Controller Setup & Installation Guide
4 Channel USB Controller Driver

Also, there is a simple variant of software Simple Control which is provided with VB.NET source code free of charge.
Simple Control Software V1.1 (VB .NET Source code Provided)