Siemens SINUMERIK 840D sl Function Manual page 1016
Extended functions
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- Function manual (2184 pages) ,
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NC/PLC interface signals (Z2)
19.2 Several Operator Panels on Several NCUs, Distributed Systems
DB19 DBB107
MCP address from NETNAMES.INI
255
DB19 DB108
ONL_PERM (5)
DB19 DBB109
No. of HMI-PLC online interface, OK
(10)
MMC_LOCKED (13)
PLC_LOCKED (14)
PRIO_H (15)
Sign of life of M:N switchover
DB19 DBW110
1 ... 65535
1st HMI-PLC online interface
DB19 DBW120
DB19 DBB122
DB19 DBB123
1016
PAR_MSTT_ADR HMI parameter transfer to PLC
Address of MCP to be switched over or activated/deactivated with the control
unit.
Parameter from NETNAMES.INI
No MCP is assigned to control unit, no MCP will be activated/deactivated
PAR_STATUS PLC sends HMI pos./neg. online permission
PLC notifies HMI as to whether control unit can go online or not. The meaning of
the signal is dependent on PAR_Z_INFO:
PAR_Z_INFO PLC sends HMI pos./neg. online permission
PLC issues the online enabling command to the requesting control unit.
Control unit can then go online to this NCU.
Bit 0 ..3: Set
Bit 4 .. 7: No. of HMI-PLC online interface with which the control unit should
connect:
First HMI-PLC online interface
Second HMI-PLC online interface
The requesting control unit cannot go online. Two control units on which
uninterruptible processes are in progress are connected online to this NCU. The
PLC cannot suppress either of the two control units.
The control unit switchover disable is set in the HMI-PLC interface.
The requesting control unit cannot go online. Two control units that are both
higher priority than the requesting control unit are connected online to the NCU.
The PLC cannot suppress either of the two control units.
M_TO_N_ALIVE
Ring counter that is cyclically incremented by the PLC. Indicator for the HMI that
the M:N switchover is active and ready.
MMC1_CLIENT_IDENT
refer to PAR_CLIENT_IDENT
after issuing positive online permission, the PLC transfers the HMI parameters to
the online interface PAR_CLIENT_IDENT -> MMC1_CLIENT_IDENT
MMC1_TYP
refer to PAR_MMC_TYP
After issuing positive online permission, the PLC transfers the HMI parameters to
the online interface PAR_MMC_TYP -> MMC1_TYP
MMC1_MSTT_ADR
refer to PAR_ MSTT_ADR
After issuing positive online permission, the PLC transfers the HMI parameters to
the online interface PAR_ MSTT_ADR -> MMC1_MSTT_ADR
Function Manual, 01/2008, 6FC5397-1BP10-3BA0
Extended Functions
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