Siemens SINUMERIK 840D sl Function Manual page 1053

19.2 Several Operator Panels on Several NCUs, Distributed Systems
19.2.1 Defined logical functions/defines
BUSTYP
Name
MPI
OPI
STATUS
Name
OFFL_REQ_PLC
OFFL_CONF_PLC
OFFL_REQ_OP
OFFL_CONF_OP
ONL_PERM
S_ACT
OFFL_REQ_FOC
OFFL_CONF_FOC
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Value Interface DB19
1 DBW100,102,104,
120, 130
Bits 8 -15
2 "
Value Interface DB19
1 Online interfaces
1st:: DBB124
2nd: DBB134
2 Online interfaces
1st: DBB124
2nd: DBB134
3 Online interfaces
1st: DBB124
2nd: DBB134
4 Online interfaces
1st: DBB124
2nd: DBB134
5 Online request
interface
DBB108
6 Online interfaces
1st: DBB124
2nd: DBB134
7 Online interfaces
1st: DBB124
2nd: DBB134
8 Online interfaces
1st: DBB124
2nd: DBB134
Several Operator Panels on Several NCUs, Distributed Systems
Meaning
Control unit to MPI, 187.5 kbaud
Control unit to MPI, 1.5 Mbaud
Meaning
PLC to control unit: PLC wants to displace control unit by
offline request.
Control unit to PLC: Acknowledgement of OFFL_REQ_PLC
The meaning of the signal is dependent on Z_INFO DBB125
or DBB135
Control unit to PLC: Control unit would like to go offline from
this NCU and outputs an offline request
PLC to control unit: Acknowledgement of OFFL_REQ_OP
The meaning of the signal is dependent on Z_INFO DBB125
or DBB135
PLC to control unit: PLC notifies control unit as to whether it
can go online or not.
The meaning of the signal is dependent on Z_INFO: DBB109
Control unit to PLC: Control unit goes online or changes
operating focus.
The meaning of the signal is dependent on Z_INFO DBB125
or DBB135
Control unit to PLC: Control unit would like to take operating
focus away from this NCU
PLC to control unit: Acknowledgement of OFFL_REQ_FOC
The meaning of the signal is dependent on Z_INFO DBB125
or DBB135
NC/PLC Interface Signals (Z2)
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