Pioneer PE6000 Series User Manual page 201

PE6000 User Manual
if (crc_value&0x0001)
{
crc_value = (crc_value>>1^0xa001;
}
else
{
crc_value = crc_value>>1;
}
}
}
return (crc_value);
}
Definition of communication parameter address
Function code parameter for read and write (some function codes can not change and are only
used or monitored by manufacturer).
J.3 Specified Regulations of Function Code Parameter Address
Regulations were made on the basis of function code group number and label representing
parameter address:
High byte: P0-PF(group F)、A0-AF(group A)、70-7F(group U)
Low byte: 00-FF
For example: if looking for range function code P3-12, 0xF30C indicates the access address of
function code.
Attention:
Group PF: parameters can neither be read nor be changed.
Group U: parameters can only be read, but cannot be changed.
Some parameters cannot be changed when the AC drive is running; Some parameters cannot be
changed regardless of the situation of the AC drive; when changing function code parameter,
attention should be paid to the range and units of parameters and relevant instructions.
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Appendix B