Anywire B2G78-E1, User Manual

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Software functions
7-1
7. Software functions
This section contains an explanation of the application layer software installed in B2G78-E1.
7.1 Modbus/TCP
Modbus/TCP is a communication protocol that is incorporated into this board and made available. In this
protocol, this device becomes a server.
The foundation of the memory map is the Modbus address.
7.1.1. Input memory map
The memory map list when accessing from Modbus/TCP is shown below.
Modbus/TCP
Occu-
pied
[Word]
Type Items
Function
code
Memory address Offset address
Start
address
End address
Start
address
End address
02/-- 10001 10256 0 255 16 bit
Input memory map (bit)
04/-- 30001 30016 0 15 16 word
Input memory map (word type)
04/-- 30017 30160 16 159 144 word
System reserved
04/-- 30161 30164 160 163 4 word
Calendar clock
04/-- 30165 30165 164 164 1 word
Error flag
04/-- 30166 30166 165 165 1 word
Error ID number
04/-- 30167 30182 166 181 16 word
Error ID1 to Error ID16
04/-- 30183 30253 182 252 71 word
System reserved
04/-- 30254 30254 253 253 1 word
Check setting for number of transmission
points
04/-- 30255 30255 254 254 1 word
Flag for ASLINK communication
04/-- 30256 30256 255 255 1 word
System reserved
04/-- 30257 30259 256 258 3 word
Error history No.1 year, month, day, time
04/-- 30260 30260 259 259 1 word
Error history No.1 target ID
04/-- 30261 30261 260 260 1 word
Error history No.1 error flag
04/-- 30262 30291 261 290 30 word

04/-- 30292 30294 291 293 3 word
Error history No.8 year, month, day, time
04/-- 30295 30295 294 294 1 word
Error history No.8 target ID
04/-- 30296 30296 295 295 1 word
Error history No.8 error flag
04/-- 30297 30299 296 298 3 word
MAC address
04/-- 30300 30306 299 305 7 word
System reserved
04/-- 30307 30307 306 306 1 word
Latest error code
04/-- 30308 30308 307 307 1 word
Latest error occurrence ID
04/-- 30309 30320 308 319 12 word
Redundant ID1 to redundant ID12
04/-- 30321 30832 320 831 512 word
System reserved
04/-- 30833 30835 832 834 3 word
Error/alarm history No.1 year, month,
day, time
04/-- 30836 30836 835 835 1 word
Error/alarm history No.1 target ID
04/-- 30837 30837 836 836 1 word
Error/alarm history No.1 error code
04/-- 30838 31467 837 1466 630 word 