Output Signal Cross-Check Err; Transmission Cross-Check Error; Reception Cross-Check Error - Mitsubishi Electric M800 Series Manual

M800/M80/E80/C80 Series Alarm/Parameter Manual
13 Smart Safety Observation Alarm (V)
V03

Output signal cross-check err

Details
Loop-back signals of the outputs from the safety I/O unit are inconsistent between PLC1 and PLC2. The screen
displays the unit No., RIO system and signal bit with an error.
[M8]
bit24-27: Unit No.
bit16-17: Detected system
bit0-15: Signal BIT
[C80]
bit0-31: Signal BIT
Safety observation target axes are stopped.
Remedy
Check the user safety sequence circuit to see if the output signal control circuit is correct.
NC unit or safety I/O unit may be faulty. Exchange the NC unit or safety I/O unit.
V03

Transmission cross-check error

Details
Output signals are inconsistent between the user safety sequence and safety I/O unit. The screen displays the
unit No., RIO system and signal bit with an error.
[M8]
bit24-27: Unit No.
bit16-17: Detected system
bit0-15: Signal BIT
[C80]
bit0-31: Signal BIT
Safety observation target axes are stopped.
Remedy
Check the user safety sequence circuit to see if the output signal control circuit is correct.
NC unit or safety I/O unit may be faulty. Exchange the NC unit or safety I/O unit.
V03

Reception cross-check error

Details
Input signals from the safety I/O unit are inconsistent between PLC1 and PLC2. The screen displays the unit
No., RIO system and signal bit with an error.
[M8]
bit24-27: Unit No.
bit16-17: Detected system
bit0-15: Signal BIT
[C80]
bit0-31: Signal BIT
Safety observation target axes are stopped.
Remedy
Any input device (emergency stop button, for example) connected to the safety I/O unit may be faulty.
Check the input devices.
NC unit or safety I/O unit may be faulty. Exchange the NC unit or safety I/O unit.
0006
0007
0008
165
Unit info
Unit info
Unit info
IB-1501279-H