Q26 – DATRAN II eXcel IO Expansion Quick-Start Guide
DATRAN II eXcel –Q26 Quick Start Guide – v2.0 – September 2010 Module Address As an IO expansion module that communicates with the master RTU (eXcel or QRTU) on the RS485 bus, the module must have an address that is unique to that bus. The expansion module is factory preset to address 3. Therefore if multiple expansion modules are to be used on the same RS485 bus then their addresses must be configured.
DATRAN II eXcel –Q26 Quick Start Guide – v2.0 – September 2010 Supply Voltage and Connections The module is able to operate from 12V - 30VDC. The module power connector has three connections labeled “G”, “+” and “C”. G + C Power Supply Negative Power Supply Positive (12V – 30VDC) Option for remote power control from a master RTU. The “C” terminal is a control INPUT.
DATRAN II eXcel –Q26 Quick Start Guide – v2.0 – September 2010 Digital Outputs As with the Digital Inputs, the module Digital Outputs are designed to be easily interfaced with relays and contactors. The module has 8 Digital Outputs in total. The first four are located on the front panel adjacent to the Digital Inputs and have LED indicators to show if the output is active or not. The second four Digital Outputs are located on the underside of the module next to the power connector, labeled “Aux Out”.
