OPC90 Server
10.2 SCSI Port Not Visible In Device Block Properties Comm Port List Box
When the PC is first booted up, the SCSI cards scan their buses to determine
what devices are present. OPC90 Server scans each SCSI card device list,
looking specifically for Bailey interfaces. SCSI port addresses associated with
ABB Bailey interfaces are only posted in the Device block properties primary and
secondary communication port list boxes if they were found in the SCSI cards
device lists.
1.) Make sure the ABB Bailey SCSI interface is powered up and not in the
“red light” condition. Also verify the ABB Bailey SCSI interface is
correctly cabled to one of the PC SCSI cards. This cable connects to
the Bailey SCSI interface with a standard 50 pin connector and to the
back of the PC SCSI card with a high density 50 pin connector (some
cards might use a standard 50 pin connector). ABB sells this cable or
it can be obtain from a company such as Black Box
(
www.blackbox.com).
2.) After reviewing step 1 reboot the PC.
10.3 No Communication
If the Bailey interface LEDs do not sequence, this means the driver is not able to
successfully communicate with the N90 interface.
3.) Verify the OPC90 Server DEVICE block Primary Port and Secondary
Port are associated with the same COM port to which the Bailey
interface has been cabled.
4.) Verify the port communication settings match those setup within the
Bailey interface. Select Edit | Ports and select the correct port for which
to verify.
3.) Verify the Bailey interface device termination unit/module serial port
jumpers are setup correctly.
4.) Verify RS232 cable is connected to the correct Bailey termination
unit/module connector. Generally this is labeled as the terminal port
for the primary channel and printer port for secondary channel when
the DEVICE block SCHEME attribute is set to dual channel single
interface.
5.) Verify the RS232 cable is connected to the correct PC COM port.
The RoviSys Company Version 7.0 Page 137
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