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Homer Hot Measurement and Tuning System - S-TEAM Lab

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Electrical Installation – CAN Bus<br />

Equipment<br />

<strong>Homer</strong> (must be provided with CAN Bus option)<br />

<br />

<br />

<br />

<br />

<br />

DC power supply 24 V 10% (see Power Supply Issues)<br />

DC power supply cable<br />

Personal computer (PC) with Windows 95 or higher operating system (optimally Windows 7 or higher)<br />

CAN Bus adapter (currently Sontheim CAN USB Light Dongle)<br />

St<strong>and</strong>ard CAN Bus cable<br />

Connection<br />

<strong>Homer</strong><br />

DC +<br />

DC cable<br />

+24 V DC Power<br />

0 V Supply<br />

CAN or<br />

Remote<br />

CAN<br />

2 7<br />

RS232<br />

120 W<br />

PC/PLC<br />

CAN Bus cable<br />

CAN<br />

CAN Bus<br />

Adapter<br />

USB,<br />

PCI, ...<br />

Figure 6. <strong>Homer</strong> wiring diagram using CAN Bus interface.<br />

Note on CAN Bus Adapter<br />

Install in your PC the CAN Bus adapter device (including SW driver) according to manufacturer’s instructions.<br />

HomSoft supports the Sontheim CAN USB Light Dongle. (Note that HomSoft also supports the now obsolete<br />

Sontheim PCCAN ISA interface card.) When using the Dongle, copy the CanApi.dll file from the Dongle<br />

installation CD to any of the following folders:<br />

<br />

<br />

<br />

Windows central location for shared dlls (something like c:\Windows\<strong>System</strong>32). This is the best way, covering<br />

once for all HomSoft upgrades <strong>and</strong> all users. For Windows 7 you will need administrator rights to do that.<br />

HomSoft Installation folder (something like c:\Program Files\S-Team\HomSoft\Ver5001). For Windows 7 you<br />

will need administrator rights to do that.<br />

HomSoft User Folder (applicable to HomSoft versions starting V5.0.0.0). This folder is created automatically<br />

when starting HomSoft for the first time. It is something like<br />

c:\Users\\S-Team\HomSoft (Windows 7)<br />

c:\Documents <strong>and</strong> Settings\\S-Team\HomSoft (Windows XP)<br />

HomSoft searches the folders in the same order as listed above.<br />

Note on CAN Bus Cable Termination<br />

Terminal CAN devices (those at both ends of CAN cabling) should load the CAN cable by a 120-ohm resistor.<br />

The <strong>Homer</strong>’s CAN Bus is not internally terminated (unless you expressly specify it in your order). In case of doubt,<br />

simply measure the resistance between pins 2 <strong>and</strong> 7 of a <strong>Homer</strong> CAN connector. If <strong>Homer</strong> is not internally<br />

User's H<strong>and</strong>book <strong>Homer</strong> <strong>Hot</strong> <strong>Measurement</strong> <strong>and</strong> <strong>Tuning</strong> <strong>System</strong> Installation 13

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