Slave Status (Word N+7) - Omron SYSMAC CS Series Operation Manual

Allocated CIO Area Words
Bit Name
12 Mode command
error
13 Parameter error
14 Reserved by sys-
to tem
15
4-2-6

Slave Status (Word n+7)

Word n+7 [n = CIO 1,500 + (25 x unit number)]
Bit Name
00 All slaves in
Data_Exchange
mode
01 Reserved by sys-
to tem
03
Status Controlled
by
ON Unit This bit will be turned ON, if
If this bit is turned ON, it will remain so until a valid command is sent to
the Unit. The invalid mode command will be ignored.
OFF Unit If the bit flags have been cleared, the Unit will reset this bit to OFF.
ON Unit The Parameter set error will be turned to ON if an error has been
detected in the contents of the Parameters set while configuring the
PROFIBUS interface, using these parameters.
OFF Unit If the bit flags have been cleared, the Unit will reset this bit to OFF.
--- --- These bits will be set to OFF by the Unit.
The Slave Status word collects all the information on the slave devices allo-
cated to the Unit Master. It summarizes the slave information of the Slave
Data_Exchange Active flags, see 4-2-8 Slave Data_Exchange Active Flags
(Word n+9 to Word n+16)) and the Slave New-Diagnostics flags, see 4-2-9
Slave New Diagnostics Flags (Word n+17 to Word n+24).
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Word n+7
Status Controlled
by
ON Unit All slave devices, which are allocated to the PROFIBUS Master Unit are
and enabled are in Data_Exchange with the PROFIBUS Master Unit.
All slaves which are in Data exchange are indicated in CIO Word n+9 to
n+16, see 4-2-8 Slave Data_Exchange Active Flags (Word n+9 to Word
n+16).
OFF Unit When turned OFF, this bit indicates that at least one slave device is not
in Data_Exchange with the PROFIBUS Master Unit.
--- --- These bits are reserved for future use and are always set to OFF by the
Unit.
Unit operation
• more than one command mode switch has been set, i.e. Bit
00 to Bit 03 in Word n has been set, or
• a mode command switch is set while the previous command
is in progress, or
• a mode transition command is given and the Unit has
detected that it does not (yet) have a valid configuration or it
detected an internal error, either of which prevented it from
reaching that mode, e.g. Invalid Parameter set and transi-
tion to OPERATE mode.
Unit operation
Section 4-2
Slaves in data exchange
Slave diagnostics received
121