Chapter 9  Serial Communication Module AS00SCM 
9- 11 
 
9.3.2.1 TX Packets and RX Packets 
You can create several TX and RX packets in a group. A packet includes messages, an address, a length, and a 
checksum. 
 
  Packet Name: enter the packet name. 
  Packet View: shows the packet contents. 
  Packet Segment Edit: adjust the sequence of segments and add or delete segments. 
No.: the segment number. You can create no more than 64 segments. 
Class: the segment class. The available classes are Message, Address, Length, and Checksum. 
Format: the data format of the segment. The available data formats are Hex (hexadecimal), ASCII, and Code. 
Segment View: the contents of the segment 
  Message: a message may be either Constant or Variable. Messages can be applied to a header segment, a start 
bit segment, an end bit segment, and a data segment. There can be several messages in a packet. 
  Address: an address may be either Constant or Variable. There can be only one address segment in a packet. 
  Length: enter the length of a packet. There can be only one length segment in a packet. 
  Class: 1 byte or 2 byes 
  Format: select a format for the length, Hex or ASCII 
  Value: enter a value for the length according to the format; unit: byte 
  Checksum: edit the checksum. There can be only one checksum segment in a packet. 
Class: select a Class. 
Format: select the Format for the checksum. 
Initial value: set the initial value for the checksum.