B3: Distributed systems - 840D sl only
2.4 Data lists
Extended Functions
140 Function Manual, 03/2013, 6FC5397-1BP40-3BA1
2.4.3.2 Signals from HMI/PLC
Signal name SINUMERIK 840D sl
ONL_REQUEST
Online request from HMI
DB19.DBB100
ONL_CONFIRM
Acknowledgement from PLC for online request
DB19.DBB102
PAR_CLIENT_IDENT
HMI writes its client identification (bus type, HMI bus
address)
DB19.DBB104
PAR_MMC_TYP
HMI type according to NETNAMES.INI: Main/secondary
operator panel/alarm server
DB19.DBB106
PAR_MSTT_ADR
HMI writes address to the MCP to be activated
DB19.DBB107
PAR_STATUS
PLC writes the online enable for the HMI (connection
state)
DB19.DBB108
PAR_Z_INFO
PLC writes additional information to the connection state
DB19.DBB109
M_TO_N_ALIVE
Sign of life from the PLC to HMI using M to N block
DB19.DBB110
2.4.3.3 General online interface
Signal name SINUMERIK 840D sl
MMC1_CLIENT_IDENT
PLC writes PAR_CLIENT_IDENT to
MMCx_CLIENT_IDENT, if HMI goes online.
DB19.DBB120
MMC1_TYP
PLC writes PAR_MMC_TYP to MMCx_TYP, if HMI goes
online.
DB19.DBB122
MMC1_MSTT_ADR
PLC writes PAR_MSTT_ADR to MMCx_MSTT_ADR, if
HMI goes online
DB19.DBB123
MMC1_STATUS
Connection state, HMI and PLC write alternating, their
requests/acknowledgements.
DB19.DBB124
MMC1_Z_INFO
Additional information, connection state (pos./neg.
acknowledgement, error messages, ...)
DB19.DBB125
MMC1_SHIFT_LOCK
HMI switchover lock
DB19.DBX126.0
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