8-Channel Power Relay Board Via USB or I²C Protocol

I2C-Relay8, Revision I

Description:

This unit provides fast, easy, and expandable control of up to 16 modules through 2-wire I²C serial or USB communication. Ideal for use in industrial and commercial systems. LabVIEW drivers available.

Outputs:

• 8 Power Relays Form-C, rated for
  • 28VDC @ 7A (resistive load only)
  • 125VAC @ 12A (resistive load only)
  • P/N SRD-05VDC-SL-C or equivalent (datasheet)
• 8 Relay LED status indicators (Green)
• 8 Terminal blocks Screw-down 3-PIn (14-22 awg)

Communication:

• Supports simple command protocol via USB jack
• Supports I²C "fast" mode (400Kbps)
• Speeds ranging from 1KHz to 100KHz
• Inter-bit and inter-byte clock stretching
• Daisy-chaining, expansion up to 16 modules
• Interrupt-on-change
• Address-selectable; Jumpers (16 addresses)
• I²C accessible via terminal blocks TB19/TB20 or J2

Additional Features:

• LabVIEW Ready: Free drivers available for version 7.0 and greater
• Power supply output: 5V @ 500mA power supply
• Short-circuit protection: Resettable PTC fuse
• Stackable form factor

Power Supply:

• Power indicator: LED Green
• Input power: J1 or TB17 (Polarity-protected)
• 7.5 - 27 VDC @ 600 mA
• Alternatively power directly from USB

Physical Characteristics:

• Dimensions: 64 mm W x 252 mm L (2.5" X 9.9")
• Weight: 188g (6.6oz)
• Relative humidity: 10-80% non-condensing
• Operating temperature: 0 to 60C (32 to 140F)
• Storage temperature: -20 to 70C (-4 to 175F)

Product Line:

• USB-I²C 13 I/O Controller Module (KA-USB-I2C-10RL-P)
• I²C 8-Opto Input Module (KA-I2C-8-OPTO)
• I²C 8-Relay Output Module (KA-I2C-8-RL-PWR)
• Web-Accessible Control Board