Siemens SINUMERIK Series Function Manual page 141

Signal name
MMC1_MSTT_SHIFT_LOCK
MCP switchover lock
MMC1_ACTIVE_REQ
HMI requests active operator mode
MMC1_ACTIVE_PERM
Enable from PLC to change the operator mode
MMC1_ACTIVE_CHANGED
HMI has changed the operator mode
MMC1_CHANGE_DENIED
HMI active/passive switchover denied
MMC2_CLIENT_IDENT
PLC writes PAR_CLIENT_IDENT to
MMCx_CLIENT_IDENT, if HMI goes online.
MMC2_TYP
PLC writes PAR_MMC_TYP to MMCx_TYP, if HMI goes
online.
MMC2_MSTT_ADR
PLC writes PAR_MSTT_ADR to MMCx_MSTT_ADR, if
HMI goes online.
MMC2_STATUS
Connection state, HMI and PLC write alternating, their
requests/acknowledgements.
MMC2_Z_INFO
Additional information, connection state (pos./neg.
acknowledgement, error messages, ...)
MMC2_SHIFT_LOCK
HMI switchover lock
MMC2_MSTT_SHIFT_LOCK
MCP switchover lock
MMC2_ACTIVE_REQ
HMI requests active operator mode
MMC2_ACTIVE_PERM
Enable from PLC to change the operator mode
MMC2_ACTIVE_CHANGED
HMI has changed the operator mode
MMC2_CHANGE_DENIED
HMI active/passive switchover denied
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
B3: Distributed systems - 840D sl only
SINUMERIK 840D sl
DB19.DBX126.1
DB19.DBX126.2
DB19.DBX126.3
DB19.DBX126.4
DB19.DBX126.5
DB19.DBB130
DB19.DBB132
DB19.DBB133
DB19.DBB134
DB19.DBB135
DB19.DBX136.0
DB19.DBX136.1
DB19.DBX136.2
DB19.DBX136.3
DB19.DBX136.4
DB19.DBX136.5
2.4 Data lists
141