Mitsubishi Electric MELSEC Q Series Programming Manual page 14

2.4.12 Speed error detection check ........................................................................................................... 2-16
2.5 Safe Speed Monitor (SSM) ...................................................................................................................... 2-17
2.6 Shut-off Function (STO/SS1) ................................................................................................................... 2-18
2.6.1 Sequence program example for shut-off function (STO/SS1 (Stop category 1)) ........................... 2-18
2.7 Standstill Monitoring (SOS, SS2) ............................................................................................................ 2-20
2.7.1 Encoder consistency check by small oscillation during standstill monitoring ................................. 2-20
2.7.2 Sequence program example for standstill monitoring (SOS, SS2 (Stop category 2)) .................... 2-22
2.7.3 Sequence program example for small oscillation during standstill monitoring ............................... 2-24
2.8 Safe Break Control (SBC) ........................................................................................................................ 2-25
2.8.1 Sequence program example for safe break control (SBC) .............................................................. 2-25
2.9 Safety Communication ............................................................................................................................. 2-26
2.9.1 Functional safety signal ..................................................................................................................... 2-29
2.9.2 Sequence program example for shut-off function (STO, SS1 (Stop category 1)) .......................... 2-32
2.9.3 Sequence program example for standstill monitoring (SOS, SS2 (Stop category 2)) .................... 2-34
2.9.4 Sequence program example for speed monitoring (SLS1 to SLS4) ............................................... 2-36
2.9.5 Checking the connection status of safety communication ............................................................... 2-38
2.9.6 SSCNET communication condition monitor .................................................................................. 2-39
2.10 Self-diagnosis Function ......................................................................................................................... 2-40
2.10.1 Safety signal output check function ................................................................................................ 2-40
2.10.2 Memory Check Function ................................................................................................................. 2-42
2.10.3 Internal processing check of Safety observation function ............................................................. 2-42
2.10.4 Scan time check .............................................................................................................................. 2-43
2.10.5 Voltage monitoring of Motion CPU circuit ...................................................................................... 2-43
2.10.6 Temperature monitoring of Motion CPU module ........................................................................... 2-43
2.11 Speed Monitoring Function Omitting External Auxiliary Pulse Input .................................................. 2-44
3. START-UP PROCEDURES
3.1 Start-up Procedures Flow Chart .............................................................................................................. 3- 1
3.2 Communication between GX Works2/GX Developer and Motion CPU................................................. 3- 3
3.3 PLC Memory Formating ........................................................................................................................... 3- 4
3.4 Parameters Setting .................................................................................................................................. 3- 5
3.4.1 Parameter setting of Motion CPU ..................................................................................................... 3- 5
3.4.2 Parameter settings for PLC CPU ...................................................................................................... 3-11
3.5 Creating User Safety Sequence Program ............................................................................................... 3-17
3.5.1 Creating PLC CPU side user safety sequence program ................................................................. 3-17
3.5.2 Creating Motion CPU side user safety sequence program ............................................................. 3-19
3.6 Validation of Parameter or Program ........................................................................................................ 3-29
3.6.1 How to validate parameter ................................................................................................................ 3-29
3.6.2 How to validate user safety sequence program ............................................................................... 3-30
4. DEDICATED DEVICES
4.1 Special Relay/Special Register for Safety Observation Function .......................................................... 4- 1
4.2 Device Used in Sequence Programs for Safety Observation on PLC CPU Side .................................. 4- 3
4.3 Multiple CPU Shared Device for Safety Observation Functions ............................................................ 4- 4
4.3.1 Shared device list for safety signal comparison ............................................................................... 4- 5
4.3.2 Detailed description of shared device for safety signal comparison ............................................... 4- 6
4.3.3 Shared device list for speed monitoring ........................................................................................... 4-13
4.3.4 Detailed description of shared device for speed monitoring ............................................................ 4-14
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