IA-3178-U2i
4
www.intelligent-appliance.com
Specifications are subject to change without notice
32-ch Relay
USB or RS-232 Controlled
Introduction
The IA-3178-U2i is a 32 Channels Industrial Relay Controller, with 32 Power Relays and an
Isolated, High Voltage Line Monitor, designed and produced by Intelligent-Appliance.
The relays are of SPDT kind with a Contact Rating of 10Amp @ 30VDC, and 10Amp @ 240VAC.
They can be operated in a normal random way, or they can be operated in pairs, to provide
some sort of double pole.
The IA-3178-U2i includes an Isolated USB port and two Watchdog circuits.
The USB port isolation task is avoiding Ground Loops and EMI/RFI Interference, while the
second Watchdog task is providing a user defined way of handling Host computer and
Communication failure.
The IA-3178-U2i is being widely supported by Microsoft Studio Class Library, by National-
Instruments Labview Drivers and by various open code software examples.
The IA-3178-U2i can be controlled by a USB port or by an RS-232 port, while it can be easily and
transparently chained, supporting several Intelligent-Appliance Series-3000 products by a single
COM port.
Features
32-ch, 10 Amp Power Relays
SPDT Relay, Single/Pair operation
Isolated USB Port
Isolated Voltage Monitor Input
2 Way Watchdog Protection
Multi-Drop operation ready
Status Led indicators on all I/Os
Open Source code samples
Setting and Operating Utility
API Software Library
Unique ID
DIN-Rail mounting ready
