C500BC031 Omron, C500BC031 Datasheet - Page 74

• Manufacturer Part Number: C500BC031
• Description: BACKPLANE
• Manufacturer: Omron

Specifications of C500BC031

• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Installing and Removing Host Link Units
58
Removal of CPU-mounting
Host Link Units
Transmission Errors
Host Link Unit installed.
Host Link Unit was
removed.
Host Link Unit has been
removed.
Event
1, 2, 3... 1.
ERROR indicator lit.
---
---
Host Link Unit Indicator
3.
4.
Follow the procedure below when removing a CPU-mounting Host Link Unit
from a PC.
2.
When a CPU-mounting Host Link Unit is installed or removed during transmis-
sion, a transmission error will occur after removal if the host computer initiated
communications with the affected Unit. The following table describes the ap-
propriate procedure to follow.
It is recommended to prepare a program that processes transmission errors in
order to prevent an error with one Unit from stopping the entire system. Refer to
Section 5 Error Processing for details.
Connect the Host Link Unit to the PC’s Peripheral Device port and tighten
the mounting screws.
Connect the Connecting Cable and tighten the mounting screws.
Remove the Connecting Cable.
Remove the Host Link Unit.
Status
Transmission error occurs.
Transmission error occurs.
Transmission error occurs.
Host Computer Status
Retransmit from the host
computer.
Ignore the affected Host
Link Unit’s transmission
error or reconfigure so that
error or reconfigure so that
transmission to that Unit will
not be attempted.
Corrective Action
Section 2-4