5 User Communication
3-84
WindO/I-NV4 User’s Manual
- The BCC calculation type is
XOR
.
02h^41h^42h^43h^44h^31h^32h^33h^34h^=02h
- When the BCC calculation result is
0002h
, the converted data will be
3032h
.
- When the converted data is
3032h
, the data for comparison with the BCC part of the receive data will be
3032h
.
- The comparison data is compared with the BCC part of the receive data.
In the following receive data, when the comparison data is the 2-byte 3032h, there is a match since the BCC part
data is 3032h.
When there is no match, the BCC Error (address 0, bit 0) of Status Device Address changes to 1.
• When data reception is successfully completed, the Completed Device Address LM203 changes to 1.
• When the value of each bit of address 0 for Status Device Address LDR250 is 0, transmission is completed
without an error.
0002h
Hexadecimal to ASCII
0
(30h)
Data
2
(32h)
0
(30h)
2
(32h)
Comparison data
0
(30h)
2
(32h)
Bytes: 2
Converted data
(Second byte) (First byte)
Comparison data
Match
Receive data
BCC part
3
(33h)
4
(34h)
1
(31h)
STX
(02h)
2
(32h)
A
(41h)
B
(42h)
C
(43h)
D
(44h)
CR
(0Dh)
LF
(0Ah)
0
(30h)
2
(32h)
0
(30h)
2
(32h)
Summary of Contents for WindO/I-NV4
Page 1: ...B 1701 16 User s Manual...
Page 108: ...5 WindO I NV4 Common Operations and Settings 2 76 WindO I NV4 User s Manual...
Page 256: ...7 BACnet Communication 3 148 WindO I NV4 User s Manual...
Page 372: ...6 Screen Restrictions 5 32 WindO I NV4 User s Manual...
Page 390: ...5 Part Library Function 6 18 WindO I NV4 User s Manual...
Page 420: ...3 Text 7 30 WindO I NV4 User s Manual...
Page 628: ...2 Multi State Lamp 9 34 WindO I NV4 User s Manual...
Page 924: ...4 Meter 11 76 WindO I NV4 User s Manual...
Page 990: ...7 Timer 12 66 WindO I NV4 User s Manual...
Page 1030: ...4 Using Data and Detected Alarms 13 40 WindO I NV4 User s Manual...
Page 1098: ...4 Using the Data 15 22 WindO I NV4 User s Manual...
Page 1248: ...5 Restrictions 22 18 WindO I NV4 User s Manual...
Page 1370: ...2 Monitoring on the MICRO I 25 28 WindO I NV4 User s Manual...
Page 1388: ...4 Restrictions 26 18 WindO I NV4 User s Manual...
Page 1546: ...5 Module Configuration Dialog Box 30 36 WindO I NV4 User s Manual...
Page 1614: ...3 Settings 34 14 WindO I NV4 User s Manual...
Page 1726: ...5 Text Alignment A 10 WindO I NV4 User s Manual...