Status Area Error Indications - Omron SYSMAC CS1W-SCB41-V1 Operation Manual

Status Area Error Indications

Indicators
RUN ERC ERH RDY
Lit Not lit Not lit Lit
Lit Flash- --- Flash-
ing ing
Lit Flash- --- Lit
ing
Lit Lit --- Flash-
ing
11-2 Status Area Error Indications
Status Area Error
Information
Word
Boards Units
(CS Series only) (CS/CJ Series)
CIO 1901 n + 1
CIO CIO n + 6
1906 1916
CIO CIO n + 7
1907 1917
Possible cause
A Protocol Data File (BACKUP
read (restored) from the CPU Unit's Memory
Card to the Serial Communications Unit prop-
erly.
A protocol data write error has occurred or
protocol data has been destroyed.
There is no protocol data.
A protocol data syntax error has occurred.
• The flash memory for protocol data is
faulty.
• The Protocol Data File (BACKUP
restore operation failed when restoring pro-
tocol data from the CPU Unit's Memory
Card to the Serial Communications Unit.
This section describes status area error information.
When an error occurs, the corresponding flag is turned ON.
Bit Flag name
01 Error Log data
error
00 Protocol data
error
n + 16 01 System Setup
error
n + 17 10 Remote node
receive busy
08 Local node
receive busy
@@
---
.PRM) was
If the indicator status remains the same
when the protocol data is retransmitted,
replace the Unit.
Transfer protocol data to the Unit.
Correct the protocol data and transfer it
to the Unit.
The ERC indicator can also be turned
OFF by executing a normal sequence for
the serial port for which the error is
occurring or by switching the CPU Unit to
PROGRAM mode temporarily.
• Transfer the protocol data to the Unit.
If the problem persists after correct
protocol data is transferred, replace
.PRM)
@@
the Unit.
• Write (backup) the protocol data from
the Unit to the Memory Card again
and then execute the restore opera-
tion again.
• If the restore operation fails two times
in succession, use CX-Protocol to
transfer the protocol data to the Serial
Communications Unit.
n = CIO 1500 + 25 × unit number
Possible cause
The error log If the problem persists even if the
EEPROM is faulty. power supply is cycled, replace
the Board/Unit.
A protocol data If the error persists when protocol
checksum error has data is retransmitted, replace the
occurred. Board or Unit.
A System Setup Correct the Setup Area settings,
error has occurred. cycle the power supply, restart
the Unit/Board, or restart the
port, or execute the STUP(237)
instruction.
The remote node is Cancel the communications with
in reception buffer the remote node until this flag is
busy status when turned OFF.
flow control is set for
the protocol.
The local node is in Increase the transmission interval
reception buffer busy to reduce transmission load to
status. the remote node for which flow
control is set.
Section 11-2
Remedy
Remedy
311