Ch ap te r 8 Ser ia l C ommu nic a tion Mod ule AH1 0/15 SC M8 - 3 1commands. Finally, the sending/receiving of the packets in the group is triggered. Besides, ifseveral different types of packets are required in a larger system, users can arrange severalgroups in sequence, and set the sequence of sending/receiving the packets in the groups.8.6.3.1 TX Packets and RX PacketsSeveral TX packets and RX packets can be created in a group. A TX packet/RX packet is composedof messages, an address, a length, and a checksum. Packet name: Users can edit a packet name. Packet view: The contents of a packet are displayed. Packet segment edit: Users can adjust the sequence of segments, and add/delete segments.No.: A segment number is displayed. Users can edit 64 segments at most.Class: A segment class is displayed. A message, an address, a length, and a checksum areclasses.Format: The data format of a segment is displayed. A hexadecimal value, an ASCII code, and acode are data formats.Segment view: The contents of a segment are displayed. Message: Users can edit “constant” messages and “variable” messages. Messages can beapplied to a header segment, a start bit segment, an end bit segment, and a datasegment. There can be several messages in a packet. Address: Users can edit a “constant” address, and a “variable” address. There is only oneaddress segment in a packet. Length: Users can edit the length of a packet. There is only one length segment in a packet. Checksum: Users can edit a checksum. There is only one checksum segment in a packet.
