104 规约(
104 规约(2002 版)报文解析
四方
第
第 PAGE 3 页
104 规约(2002 版)报文解析
1、 初始化
主站发: 68 04 07 00 00 00
目的:给子站发请求链路状态命令。子站回答:68 04 0B 00 00 00
目的:子站向主站响应链路状态。
子站回答:68 0E 00 00 00 00 46 01 04 00 01 00 00 00 00 00
目的:初始化结束。
2、 对时
时钟同步命令一般不在 104 中应用,因为网络路由的延时永远不定(随机),导致对时不准。
主站发:68 14 2C 00 6A 00 67 01 06 00 01 00 00 00 00 E5 3F 00 0F 09 0C 04
目的:向子站发送对时报文。357 毫秒 16 秒 0 分 15 小时 9 日 12 月 4 年
3、 总召唤
主站发:68 0E 00 00 06 00 64 01 06 00 01 00 00 00 00 14
目的:向地址为 01 的子站发总召唤命令。
子站回答:68 0E 08 00 02 00 64 01 07 00 01 00 00 00 00 14
目的:子站响应总召唤。
子站回答:68 2D 0A 00 02 00 01 A0 14 00 01 00 01 00 00 00 01 00 01 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
目的:子站向主站以ASDU1 方式连续上送全遥信,此为第一帧。报文解析:
68 2D
68 2D 0A 00 02 00
01
A0 14 00
01 00
01 00 00
00
01
00
……
00
数据类型(ASDU 方式)
可变结构限定词(低 7 位表示一组遥信的个数,20 转成十进制=32) 传送原因
子站地址起始点号
点号1的遥信状态(分) 点号2的遥信状态(合) 点号3的遥信状态(分)
……
点号32的遥信状态(分)
子站回答:68 2D 0C 00 02 00 01 A0 14 00 01 00 21 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
目的:子站继续上送全遥信的下一帧。
…………
子站回答:68 2D 20 00 02 00 01 A0 14 00 01 00 61 01 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
目的:子站向主站上送全遥信的最后一帧。
子站回答:68 AD 22 00 02 00 0D A0 14 00 01 00 01 40 00 B2 0B 4B 42 00 00 00 00
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目的:子站向主站以 ASDU13 方式(浮点数)上送全遥测中的第一帧。(有些调度要求用
68 AD 22 00 02 00ASDU9(码值)上送,见下文补充) 报文解析:
68 AD 22 00 02 00
0D
A0
数据类型(ASDU 方式)
可变结构限定词(低 7 位表示一组遥信的个数,20 转成十进制=32)
14 00
传送原因
01 00
子站地址
01 40 00
起始点号(16385)
B2 0B
点号16385的遥测值
4B 42
00
00 00
点号1638
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