B–63980EN/01
4. DESCRIPTION OF PARAMETERS
19
0149
Number of characters in the data section of the communication packet (DNC2
interface)
NOTE
When this parameter is set, the power must be turned off
before operation is continued.
[Data type] Word
[Valid range] 80 to 256 (The standard setting is 256.)
The standard setting is 256. If the specified value is out of range, a value of
80 or 256 is used.
This parameter determines the maximum length of the packet used in
transmission over the DNC2 interface. Including the two characters at the
start of the packet, the four characters used for a command, and the three
characters at the end, the maximum number of characters in the packet is
nine plus the number specified in parameter No.0149.
DLE STX
Command Data section DEL ETX BCC
2 bytes 4 bytes 80 to 256 bytes 3 bytes
Length of the packet