![background image](http://html1.mh-extra.com/html/omron/v640-hs61/v640-hs61_user-manual_741375088.webp)
86
SECTION 4
When SECS Is
N
ot U
sed
CIDRW System
User’s Manual
SECTION 4
Reading from/Writing to ID Tags
When SECS Is Not Used
Command/Response Format
1:N Protocol
1:1 Protocol
Meaning of FCS (frame check sequence)
This is two ASCII characters obtained by conversion from the 8-bit exclusive logical sum (EOR) of the characters from
the character immediately after SOH to the character immediately before FCS.
Example: Reading the data of page 1 and page 2 of node No.1
Command
SOH
Node No.
Command code
Parameter
FCS
CR
1
⋅ ⋅ ⋅
n
01h
0Dh
Response
SOH
Node No.
Response
code
Parameter
FCS
CR
1
⋅ ⋅ ⋅
n
01h
0Dh
Command
Command code
Parameter
CR
1
⋅ ⋅ ⋅
n
0Dh
Response
Response
code
Parameter
CR
1
⋅ ⋅ ⋅
n
0Dh
Command
Calculation range
(ASCII conversion)
Summary of Contents for V640-HS61
Page 14: ...12 INTRODUCTION Reading this Manual CIDRW System User s Manual INTRODUCTION MEMO...
Page 120: ...118 SECTION 5 When SECS Is Not Used CIDRW System User s Manual SECTION 5 Troubleshooting MEMO...
Page 171: ...CIDRW System User s Manual SECTION 6 Protective Construction SECTION 6 Appendix 169 MEMO...
Page 173: ......