Omron NE1A-SCPU01 - 07-2009 - Page 110

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Remote I/O Allocations Section 4-3
Example: Monitoring NE1A-series Controller Standard I/O Communications Error and Status Flags
from the PLC
When the NE1A-series Controller is Operating as a Safety Master Only
• Example: Monitoring NE1A-series Controller Safety I/O Communications
Error and Status Flags from the PLC (when a dA Error Occurs)
• Example: Monitoring NE1A-series Controller Safety I/O Communications
Error and Status Flags from the PLC (when d5 and d6 Errors Occur)
When the NE1A-series Controller is Operating as a Safety Master and a Safety Slave
• Example: Monitoring NE1A-series Controller Safety I/O Communications
Error and Status Flags from the PLC (when a dA Error Occurs)
6 Normal Status
OFF: Error
ON: Normal
Indicates the status of the NE1A-series Controller.
This flag will indicate an error when an error indicated in the
error details (10-4-2 Error Information Details) occurs.
7 NE1S Status
OFF: Error
ON: Normal
Indicates when one of the errors listed in 12-4-2 Error Infor-
mation Details occurs.
Bit Content Description
Bit 2
Bit 3
First
connection
Controller
mode change
Communications
error at first
connection
Error
cleared
Second
connection
Communications
error at second
connection only
Error
cleared
Bit 4
Bit 5
Controller mode
change
Communications
established at all
Safety Master
connections
Safety Master
communications error
occurs
Error
cleared
Bit 4
Bit 5
Controller
mode change
d5 error at Safety
Master
connection
d6 error at Safety
Master
connection
Communications
established at Safety
Master connection
where d6 error
occurred.
Communications
established at all
Safety Master
connections.