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Section 4
SECS Protocol Specifications
(2) Data item dictionary
SECS II data item
Name
Format
Value
Section 4
4.4 Message specifications
ATTRID
Attribute ID
20
Attribute name
ATTRVAL
Attribute value
20
Attribute value
MID
Carrier ID
20 (16 bytes fixed)
All characters 00H-0FFH
DATA
Data
20 (8 bytes fixed)
All characters 00H-0FFH
DATALENGTH
Data size
52
8 (fixed)
DATASEG
Data segment
20
"S01", "S02",⋅⋅⋅"S27", "S28"
STATUS
PMInformation
20
NE: normal (fixed)
SSACK
Result information
20
NO: normal
EE: execute error *3
CE: communication error
HE: hardware error*3
TE: tag error *3
List of STATUS
Status
L,4
1.<PM Information>
2.<Alarm Status>
3.<Operational Status>
4.<Head Status> *2
PM Information contains the STATUS value.
CPVAL
State request parameter
20
"OP", "MT", "PS" *1
TARGETID
Target ID
20
"00"-"31"
* "00" represents the CIDRW controller itself.
SSCMD
Subsystem command
20
"Change State"
"Get Status"
"Perform Diagnostics"
"Reset"
*1: "PS" is an extension command of the CIDRW system.
*2: Will be zero-length item if TARGETID is "00" (CIDRW).
*3: "EE", "HE" and "TE" are used only for S18F6, S18F8, S18F10 and S18F12.
<About S9F7 response>
When a message with an illegal format from the upstream controller is received, the S9F7 is returned to the
upstream controller. "Illegal format" refers to a one whose message structure has a problem such as an illegal
attribute, or excessive or insufficient items. In the case of problematic item content, SSACK = "CE"
(communications error) will be returned to the upstream controller.
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V700-L21
User's Manual