Omron V640 - Page 77

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CIDRW System
User’s Manual
SECTION 4
When SECS is Used
SECTION 4
Reading from/Writing to ID Tags
• Subsystem command (ChangeState)
S18,F13 Subsystem Command Request (ChangeState) S,H→E,reply
L,3
1.<TARGETID> "00" (fixed)
2.<SSCMD> "ChangeState"
3.L,1
1.<CPVAL1> "OP", "MT" or "PS"
CPVAL = "PS" is a parameter setting unique to this CIDRW Controller for switching to the Setting mode.
S18,F14 Subsystem Command Acknowledge (ChangeState) S,H←E
L,3
1.<TARGETID> "00"
2.<SSACK>
3.L,s
1.<STATUS1>
⋅
s.<STATUSs>
• When the specified target is invalid:
s = 0, SSACK = "CE" communications error
• When SSCMD is invalid:
s = 0, SSACK = "CE" communications error
• When OperationalStatus is BUSY:
s = 0, SSACK = "EE" execution error
• If the status of SSACK is other than "NO" (normal), the List of Status will comprise zero items.