Delta AS Series - Page 301

Chapter 9 Serial Communication Module AS00SCM
9- 11
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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.