9440300990 22-7
DECS-250 Communication
5. At this point you can also add any or all of the detected devices to the Device Directory. This
prevents the need to scan for connected devices each time a connection is desired. Simply select
a device from the list and click Add. Clicking Add All will add all detected devices from the list to
the Device Directory. The Device Directory stores the name, model, and address of devices you
have added. Click the radio button for Select Device to Connect to, select the device from the
Device Directory list, and click the Connect button at the top of the DECS-250 Connection
window.
6. Choose the desired device from the list and click Connect. Wait for connection to complete.
7. The Advanced button displays the following window. It contains options for enabling Auto
Reconnect, downloading settings after reconnect, the delay between retries (in milliseconds), and
the maximum number of attempts (Figure 22-10).
Figure 22-10. Advanced Properties, Auto Reconnect
The PC running BESTCOMSPlus software must be configured
correctly to communicate with the DECS-250. The PC must have an
IP address in the same subnet range as the DECS-250 if the
DECS-250 is operating on a private, local network.
Otherwise, the PC must have a valid IP address with access to the
network and the DECS-250 must be connected to a properly
configured router. The network settings of the PC depend on the
operating system installed. Refer to the operating system manual for
instructions.
On most Microsoft Windows based PCs, the network settings can be
accessed through the Network Connections icon located inside the
Control Panel.
PROFIBUS Communication
BESTCOMSPlus Navigation Path: Settings Explorer, Communications, Profibus Setup
HMI Navigation Path: Settings, Communications, Profibus
On units equipped with the PROFIBUS communication protocol (style xxxxxxP), the DECS-250 sends
and receives PROFIBUS data through a DB-9 port located on the right side panel. DECS-250 PROFIBUS
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