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87
Allocated CIO Area Words
Section 4-2
4-2-1
Software Switches 1 (Word n)
All the switches of Software Switch 1 execute a function when turned ON by
the user (in any PLC mode). The Unit will turn the switch to OFF, after the
command has been executed. All flags are set to OFF at Power-ON/Reset.
The Unit state is not restored after a Power-Down of the Unit.
Note If multiple bits in the range of Bit 00 to 03 are set simultaneously, the com-
mand is ignored, the bits are set to OFF again and the Mode command error
flag in Master status 2 word is set, see
4-2-5 Master Status 2 (Word n+6)
.
Word n [n = CIO 1,500 + (25 x unit number)]]
Word n
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
OPERATE mode
STOP mode
CLEAR mode
OFFLINE mode
Transmit Global-Control message
Clear new-diagnostics flags
Bit
Name
Status
Controlled
by
Unit operation
00
Switch Master to
OPERATE mode
OFF
→
ON
User
Switches the Unit to the OPERATE mode. If the Unit is already in this
mode, no action will be taken.
In OPERATE mode the PROFIBUS-DP Master Unit will parameterize
all allocated slave stations, and commence I/O Data-Exchange.
Note
Internal transition to the OPERATE mode will be performed from
or via the CLEAR mode.
OFF
Unit
If the PROFIBUS-DP Master Unit has entered the OPERATE mode, the
Unit will set this bit to OFF again.
01
Switch Master to
STOP mode
OFF
→
ON
User
Switches the Unit to the STOP mode. If the Unit is already in this mode,
no action will be taken.
In STOP mode, the Unit will be ONLINE, connected to the network, but
not communicate with its slave stations.
Note
Internal transition to the STOP mode from the OPERATE mode
will be performed via the CLEAR mode.
OFF
Unit
If the PROFIBUS-DP Master Unit has entered the STOP mode, the Unit
will set this bit to OFF again.
02
Switch Master to
CLEAR mode
OFF
→
ON
User
Switches the Unit to the CLEAR mode. If the Unit is already in this
mode, no action will be taken.
In CLEAR mode the PROFIBUS-DP Master Unit will parameterize all
allocated slave stations, and it will read the input data of the slave sta-
tions, but it will send zeros or empty output messages to slave stations.
OFF
Unit
If the PROFIBUS-DP Master Unit has entered the CLEAR mode, the
Unit will set this bit to OFF again.
03
Switch Master to
OFF-LINE mode
OFF
→
ON
User
Switches the Unit to the OFF-LINE mode. If the Unit is already in this
mode, no action will be taken.
In the OFF-LlNE mode the Unit will be disconnected from the network.
Note
Internal transition to the OFFLINE mode from the OPERATE
mode will be performed via the CLEAR and STOP mode.
OFF
Unit
If the PROFIBUS-DP Master Unit has entered the OFF-LINE mode, the
Unit will set this bit to OFF again.
Summary of Contents for SYSMAC CJ1W-PRM21
Page 2: ...iv...
Page 36: ...22 Basic Operating Procedure Section 1 5...
Page 52: ...38 Defining PROFIBUS DP in the Software Section 2 5...
Page 112: ...98 Allocated CIO Area Words Section 4 2...
Page 122: ...108 Command Response Reference Section 5 2...
Page 160: ...146 Replacing the Unit Section 7 8...
Page 174: ...160 Appendix...
Page 180: ...166 I O Data Conversions Appendix D...
Page 186: ...172 Configurator Error and Warning Messages Appendix E...
Page 187: ...173 Index...
Page 188: ...174 Index...
Page 190: ...176 Revision History...