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SECTION 4
When SECS is Used
CIDRW System
User’s Manual
SECTION 4
Reading from/Writing to ID Tags
When SECS is Used
The SEMI standards are subject to revision. You must refer to the actual standards.
• SEMI E99 THE CARRIER ID READER/WRITER FUNCTIONAL STANDARD
• SEMI E5 EQUIPMENT COMMUNICATION STANDARD 2 MESSAGE CONTENT (SECS II)
• SEMI E4 EQUIPMENT COMMUNICATION STANDARD 1 MESSAGE TRANSFER (SECS I)
SECS Protocol Specifications Refer to page 127.
Message Specifications
List of Error Messages Refer to page 88.
List of Messages Used
Classification S F Direction SECS II names See
General purpose
messages
11 S,H→E,reply Are You There Request p.68
12 S,H←E On Line Data p.68
CIDRW system
messages
18 1 S,H→E,reply Read Attribute Request p.68
18 2 S,H←E Read Attribute Data p.68
18 3 S,H→E,reply Write Attribute Request p.69
18 4 S,H←E Write Attribute Acknowledge p.69
18 5 S,H→E,reply Read Request p.70
18 6 S,H←E Read Data p.70
18 7 S,H→E,reply Write Request p.71
18 8 S,H←E Write Acknowledge p.71
18 9 S,H→E,reply Read ID Request p.72
18 10 S,H←E Read ID Data p.72
18 11 S,H→E,reply Write ID Request p.72
18 12 S,H←E Write ID Acknowledge p.72
18 13 S,H→E,reply Subsystem Command Request p.73
18 14 S,H←E Subsystem Command Acknowledge p.73
Data Item Dictionary
SECS II data items Name Format Value
ATTRID Attribute ID 20 Attribute name
ATTRVAL Attribute value 20 Attribute value
MID Carrier ID MID 20
16 - 7E16 (Visible ASCII)
DATA Data 20 All characters 00H-0FFH
DATALENGTH DataSize 52 Offset designation: 1 - 224
Segment designation:
Refer to
Data Segment Area page 125.
DATASEG DataSeg 20 Offset designation: "00", "01"..."0222", "0223"
Segment designation:
Refer to Data Segment Area page 125.
STATUS PM information 20 "NE": Normally executed
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