
<2. Preparation and Basic Operation>
2-6
IM 12A01S02-01E 1st Edition : May 10, 2013-00
2.5 How to use the SPS24
GotoWindows[Start]–[AllPrograms]–[YokogawaSENCOMPCSoftware]andclick
“SENCOM PC Software” to launch the SPS24.
l First launch
Atrstlaunch,the“PleasesetRSport”messageappears.Click“OK”toclosethedialogbox.
Conrmthesensorconnectionandgoto[Setup]–[RSportNo.]toassigntheRSportnumberto
the sensor.
Toolbar
Select USB RS-485 Port.
Click to save.
Connection information field
Figure 2.2 Example of RS port number setting (2 sensors are connected simultaneously)
Select USB RS-485 Port and click “Save” to store the change.
Clicking[Connect]intheconnectioninformationelddetectsthesensoranddisplaysthe
connected sensor button.
The * mark after the COM number indicates the active connection.
l Multiple Sensor Connection
Toconnectmultiplesensors,connectmultipleinterfaceboxestotheUSBportsonthePCusing
USB cables.
Once the USB cables are connected, RS port numbers (COM numbers) are automatically
allocated. RS port numbers do not change even after disconnecting USB cables.
In the case of Windows XP, the COM port driver must be installed for every connection.
TheRSportnumberoftheinterfaceboxcanbeconrmedbyusingtheconnectedsensorbutton
ID(serialNo.)whichappearseverytimeasensorisconnected.
Toallocateaparticularinterfaceboxtosensors1to4,settheRSportnumberindividuallyby
connecting one cable at a time.
Tochangetheallocation,click[Disconnect]andperformthecongurationagain.
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