4 Data Exchange with the CPU Unit
4-18
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
Name of Device Variable for
CJ-series Unit
Type R/W Description Function
*_MstrOperateSta BOOL R Unit in OPER-
ATE mode
TRUE:
Indicates the Unit is in OPERATE mode.
In OPERATE mode the PROFIBUS Master Unit
will parameterize all allocated slave devices, and
commence I/O Data-Exchange.
FALSE:
Indicates the Unit is not in OPERATE mode.
*_MstrStopSta BOOL R Unit in STOP
mode
TRUE :
Indicates the Unit is in STOP mode.
In STOP mode, the Unit will be ONLINE,
connected to the network, but not communicate
with its slave devices.
FALSE:
Indicates the Unit is not in STOP mode.
*_MstrClearSta BOOL R Unit in CLEAR
mode
TRUE:
Indicates the Unit is in CLEAR mode.
In CLEAR mode the PROFIBUS Master Unit will
parameterize all allocated slave devices. If this is
accomplished successfully, it will read all input
data of the allocated slave devices, but it will send
zeros or empty output messages to all slave
devices.
FALSE:
Indicates the Unit is not in CLEAR mode.
*_MstrOfflineSta BOOL R Unit in
OFFLINE
mode
TRUE:
Indicates the Unit is in OFFLINE mode.
In the OFFLlNE mode the Unit will be discon-
nected from the network.
FALSE:
Indicates the Unit is not in OFFLINE mode.
*_MstrSta
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*_MstrAutoClrEnblSt
*_MstrValidCfgSt
*_MstrOperateSt
*_MstrStopSt
*_MstrClearSt
*_MstrOineSt
*_MstrDatXchgSt