Okuma Alarm-P 0758 Safety I/O Error
An error occurred in Safety IO link (SIO link) or in safety I/O unit.
Object
None
Character-string
None
Code
0x20000000->Safety transmission data was mismatch between CPU0 and CPU1while initialization of SIO link
0x21XX0000->Command was not received while initialization of SIO link
XX->Expecting command
01->Information gathering Command
02->Time-out time setting Command
0x22XXYYYY->Communication error was occurred while initialization of SIO link
XX->Expecting command
01->Information gathering Command
02->Time-out time setting Command
YYYY->SIO controller error status
bit10->Reception buffer size setting was too big
bit9 ->Disconnection error
bit8 ->Modulation code error
bit7 ->CRC error
bit6 ->Format error
bit5 ->Double transmission error
bit4 ->Double reception error
bit3 ->Parity error was occurred when SIO controller read transmission buffer
bit2 ->Parity error was occurred when CPU read transmission buffer
bit1 ->Parity error was occurred when CPU read reception buffer
bit0 ->Time-out error
0x23XXYYYY->Error command was received while initialization of SIO link
XX->SIO link slave address which error was detected
YYYY->Error status
bit10->Reception buffer size setting was too big
bit9 ->Disconnection error
bit8 ->Modulation code error
bit7 ->CRC error
bit6 ->Format error
bit4 ->Double reception error
bit3 ->Parity error was occurred when SIO controller read transmission buffer
bit2 ->Parity error was occurred when CPU read transmission buffer
bit1 ->Parity error was occurred when CPU read reception buffer
bit0 ->Time-out error
0x24XX00YY->Illegal command was received while initialization of SIO link
XX->Reception command
0x25XX0000->Safety IO slave information did not match the scan file list
0x2F000000->SIO link was disconnected
0x31000000->The command was not received within a specific period
0x3200XXXX->Communication error was detected by the MF-SAFETY
XXXX->SIO controller error status
bit10->Reception buffer size setting was too big
bit9 ->Disconnection error
bit8 ->Modulation code error
bit7 ->CRC error
bit6 ->Format error
bit5 ->Double transmission error
bit4 ->Double reception error
bit3 ->Parity error was occurred when SIO controller read transmission buffer
bit2 ->Parity error was occurred when CPU read transmission buffer
bit1 ->Parity error was occurred when CPU read reception buffer
bit0 ->Time-out error
0x33XXYYYY->Error command was received in SIO link safety frame
XX->SIO link slave address which error was detected
YYYY->Error status
bit10->Reception buffer size setting was too big
bit9 ->Disconnection error
bit8 ->Modulation code error
bit7 ->CRC error
bit6 ->Format error
bit4 ->Double reception error
bit3 ->Parity error was occurred when SIO controller read transmission buffer
bit2 ->Parity error was occurred when CPU read transmission buffer
bit1 ->Parity error was occurred when CPU read reception buffer
bit0 ->Time-out error
0x34XX0000->Safety protocol could not be established on the SIO link
0x35XXYYZZ->Could not communicate safety SIO frame, after established safety protocol
XX->slave address
YY->
01->Unexpected command was received
02->Undefined command was received
03->Connection ID was in err
04->CRC error
08->FailSafeData command was received
ZZ->Reception safety data
0x36000000->Safety transmission data was mismatch between CPU0 and CPU1
0x37XX0000->Safety frame was not renewal
0x3FXXYYZZ->Safety physical output data was mismatch between CPU0 and CPU1
YY->Output data in CPU0
ZZ->Output data in CPU1
0x41X000YY->An error was occurred in MFU I/O unit
X->Slot number
YY->I/O unit error status
bit6->Overcurrent protection was occurred in input circuit
bit4->I/O bus check error
bit2->Data was mismatched between order and monitor
bit1->A parity error was occurred when I/O bus1 was written
bit0->A parity error was occurred when I/O bus0 was written
bit6->Overcurrent protection was occurred in input circuit
bit5->Self-check error
bit4->I/O bus check error
bit7->Overcurrent Protection circuit was worked in output circuit
bit6->Overcurrent protection was occurred in input circuit
bit4->I/O bus check error
bit2->Data was mismatched between order and monitor
bit1->A parity error was occurred when I/O bus1 was written
bit0->A parity error was occurred when I/O bus0 was written
0x42XYZZWW->MFU I/O unit input of CPU0 and CPU1 was mismatched longer than a specific period
Y->I/O unit safety input number (1-4)
ZZ->Input data in CPU0
WW->Input data in CPU1
0x43XYZZWW->MFU I/O unit written data was mismatch between CPU0 and CPU1
Y->I/O unit safety output number (1-4)
ZZ->Output data in CPU0
WW->Output data in CPU1
Probable Faulty Locations
SIO link cables
I/O unit in MFU
MF-SAFETY
I/O data file
SIO slave unit
Measures to Take
Replace the SIO link cables
Replace the MFU I/O unit
Replace the MF-SAFETY unit
Update the I/O data file
Replace the SIO link slave unit