Unit Status (Word N+4) - Omron SYSMAC CS Series Operation Manual

Allocated CIO Area Words
4-2-3

Unit Status (Word n+4)

Word n+4 [n = CIO 1,500 + (25 x unit number)]
Bit Name
00 Unit error flag
01 Master error flag
02 Reserved by sys-
tem
03 Error log contains
new errors
04 Parameter transfer
in progress
05 Reserved by sys-
tem
The Unit status word contains all the status and error flags concerning the
Unit itself, as well as error flags, which indicate the presence of error flags in
the Master and Slave Status Words. All bits are controlled by the Unit.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Word n+4
Status Controlled
by
ON Unit The Unit error flag collects the status of all error flags in CIO Word n+4.
The bit flag is turned ON by the Unit if Bit 01, Bit 03, Bit 06, Bit 07, Bit 09
or Bit 13 in CIO Word n+4 is set to ON.
OFF Unit Bit 00 is turned OFF by the Unit if Bit 01, Bit 03, Bit 06, Bit 07, Bit 09 and
Bit 13 in CIO Word n+4 are set to OFF.
ON Unit The Master error flag collects the error flags in the Master status 2
Word, i.e. CIO Word n+6. Master status word 2 contains all error flags
related to the PROFIBUS Master functions.
Bit 01 is turned ON if any of the flags in Master status word 2, i.e. CIO
Word n+6 is set to ON, see 4-2-5 Master Status 2 (Word n+6).
OFF Unit Bit 01 is turned OFF if none of the flags in Master status word 2, i.e. CIO
Word n+6 is set to ON.
--- --- This bit will be set to OFF by the Unit.
ON Unit This bit indicates new errors in the error log since the last time the error
log was cleared or read. It is set to ON if the error log contains one or
more new errors.
OFF Unit The bit flag is set to OFF by the Unit if the error log is
ON Unit The Parameter transfer in progress indicates transfer of Configuration
and setup data
During this transfer no other transfer of data can be started in parallel.
OFF Unit When set to OFF, this bit indicates that no Configuration data transfer is
in progress.
--- --- This bit will be set to OFF by the Unit.
Unit operation
• c
leared using the ERROR LOG CLEAR FINS command, or
• read, using the ERROR LOG READ FINS command.
• f
rom the PC to the Unit's internal volatile memory, or
• from the Unit's internal volatile memory to non-volatile mem-
ory, or
• from the flash card to the Unit's internal volatile memory.
Section 4-2
Unit error flag
Master error flag
Error log contains new errors
Parameter transfer in progress
Local parameter storage error
Local parameter load error
File read error
Error log storage error
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