CONTREX MLP-Drive - Manual (Page 115)

3 - 77
Parameter Send
Use the Parameter Send to change any of the MLP-Drive's Control Parameters.
Table 3-51 Parameter Send - Host Transmission
Character # 1 2 3 4 5 6 7 8 9 10 11 12
DEV # DEV # MSG PAR # PAR # DATA DATA DATA DATA DATA
DESC STX 10s 1s TYPE 10s 1s 1000s 100s 10s 1s FORM ETX
ASCII STX 0-9 0-9 3 0-9 0-9 0-9 0-9 0-9 0-9 0-8 ETX
The following is a description of the Parameter Send-Host Transmission Characters.
Character 1 - STX:
This is the first character in the character string. None of the other characters will
be recognized without this character prefix. Always use the ASCII “STX” character;
it enables the MLP-Drive's receive buffer.
Characters 2, 3 - Device #:
These characters are the access address of the MLP-Drive. This number identifies
individual MLP-Drives on a mutltidrop system. The MLP-Drive will accept data only
if this number matches the MLP-Drive's address (CP-70), with the exception of a
“00” address. The “00” address is universally accepted by all of the MLP-Drives
that are on the RS485 Serial Communications Interface.
Character 4 - Message Type:
This character should always be “3”.