Specifications

81
Schneider Electric
Schneider Specifications (continued)
Counter management algorithm
E52405
Unknown
function code
Slave number
=
Slave number
of the station
Incorrect
address
Incorrect
data
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
CTP4 = CTP4 + 1
2
Exception
n° 1
CTP3 = CTP3 + 1
Exception
n° 3
CTP3 = CTP3 + 1
Exception
n° 2
CTP3 = CTP3 + 1
Exception
n° 3
CTP3 = CTP3 + 1
Incorrect
length
YES
NO
YES
NO
YES
NO
1
CTP1 = CTP1 + 1
CTP2 = CTP2 + 1
Incorrect CRC
Length
< 3 bytes
Error in at least
1 character in
the frame
Idle
3-character silence
Reception
CTP8 = CTP8 + 1
Character error
Slave
number 0
3
YES
NO
CTP5 = CTP5 + 2
Reception
255 characters
max.
Guide to Integration
Modbus / Jbus