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SuperVisor LX
SECTION 6
FGAX3249400MANAA
100701
Version 1 Issue 2
6.4
Rollcall
Packet Formats
Each packet shares the same header structure.
Header
0x02
Start Packet (STX)
0
0
Net Address
0x40
Unit Address**
0x05
Port Address
0
0
Dest Index
FULLADDRESS_STR
This is the address of the
Supervisor LX.
0
1
User Index
Packet Length ( = number of following bytes
excepting ESC, ETX and Checksum)
RSHEADER_STR
**NOTE:
The value of the third byte in the hardware specific net address should be the
value set on the hex switch that is located on the front of the gateway card of
the Supervisor LX. If you change this switch, substitute the new value in all packets.
As shipped the value is 40
H
The header is followed by the body of the specific packet type.
Note: All fields are MSB (Most Significant Byte) first.
SetParam
0x10
SetParam packet type
0
Extra Info
ROLLHEADER_STR
Command number
0
0x01
Data mode (0x11 to set default value)
Value
FUNCSTATUS_STR
0
Checksum (zero to ignore)
0x03
End Packet (ETX)
Note: if the value of Data Mode is set to 0x11 then the Value field is ignored and the parameter is set to its
factory default value.