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在网上找到过不少的profibus资料,把其中的DP部分抽取出来了,免得做DP协议的花了一大堆时间去看FMS的资料到头来发现看错了。
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PROFIBUS 规范—标准部分
第八部分:用户规范
PROFIBUS Specification-Normative Parts
Part 8: User Specification
2
第八部分 用户规范
目录 页码
1 应用领域与目的···································································································· 7
2 引用标准和附加引用材料 ···················································································· 7
3 缩略语 ··················································································································· 8
4 术语 ······················································································································· 9
5 对 PROFOBUS-DP 系统的要求 ·········································································· 12
6 系统行为 ·············································································································· 12
6.1 概述 ······················································································································ 12
6.2 同步 ······················································································································ 14
6.3 组合设备 ·············································································································· 14
7 通信模型 ·············································································································· 15
7.1 概述 ······················································································································ 15
7.2 协议结构 ·············································································································· 15
7.3 通信关系 ·············································································································· 17
7.4 功能概况 ·············································································································· 19
7.5 服务执行 ·············································································································· 20
7.5.1 主-从通信············································································································· 20
7.5.2 主-主通信············································································································· 22
8 介质存取与传输协议··························································································· 24
8.1 概述 ······················································································································ 24
8.2 令牌轮转时间······································································································· 26
8.3 优先权 ·················································································································· 27
8.4 控制间隔 ·············································································································· 27
8.5 系统反应时间······································································································· 28
8.6 帧格式 ·················································································································· 29
8.7 地址扩展 ·············································································································· 29
8.8 总线参数 ·············································································································· 29
8.9 统计计数器··········································································································· 30
9 直接数据链路映象程序(DDLM)与用户接口间的接口································· 30
9.1 设备专用功能引用······························································································· 30
9.2 DDLM 功能调用的描述格式··············································································· 31
9.3 DP 主站—DP 从站功能······················································································· 33
9.3.1 读 DP 从站诊断信息···························································································· 33
9.3.2 传送输入与输出数据··························································································· 40
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9.3.3 读 DP 从站的输入与输出数据 ············································································ 41
9.3.4 发送参数数据······································································································· 42
9.3.5 检查组态数据······································································································· 45
9.3.6 读组态数据··········································································································· 50
9.3.7 对 DP 从站的控制命令························································································ 50
9.3.8 变更 DP 从站的地址···························································································· 52
9.4 DP 主站—DP 主站功能······················································································· 53
9.4.1 读主站诊断信息··································································································· 53
9.4.2 上载/下载 ············································································································· 56
9.4.3 激活参数集(无需确认的) ··············································································· 59
9.4.4 激活/解除激活参数集·························································································· 60
9.5 DP 从站的本地功能····························································································· 62
9.5.1 概述 ······················································································································ 62
9.5.2 DDLM_Slave_Init································································································· 62
9.5.3 DDLM_Set_minTsdr····························································································· 63
9.5.4 DDLM-Enter········································································································· 64
9.5.5 DDLM_Leave······································································································· 64
9.5.6 DDLM_Fault········································································································· 64
9.6 DP 主站的本地功能····························································································· 65
9.6.1 概述 ······················································································································ 65
9.6.2 DDLM_Master_Init ······························································································ 65
9.6.3 DDLM_Responder_Init························································································· 65
9.6.4 DDLM_Requester_Init·························································································· 66
9.6.5 DDLM_Reset········································································································ 66
9.6.6 DDLM_Set_Bus_Par····························································································· 66
9.6.7 DDLM_Set_Value································································································· 67
9.6.8 DDLM_Read_Value······························································································ 67
9.6.9 DDLM_Delete_SC································································································ 68
9.6.10 DDLM_Fault········································································································· 69
9.6.11 DDLM_Event········································································································ 69
10 用户接口与用户之间的接口 ··············································································· 70
10.1 DP 主站(1 类)·································································································· 70
10.1.1 数据接口 ·············································································································· 71
10.1.2 服务接口 ·············································································································· 72
10.1.2.1 设定操作模式······································································································· 73
10.1.2.2 操作模式改变时的信息······················································································· 74
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10.1.2.3 装载总线参数集··································································································· 74
10.1.2.4 同步数据传送······································································································· 75
10.1.2.5 对 DP 从站的控制命令························································································ 76
10.1.2.6 读统计计数器······································································································· 77
10.1.2.7 清统计计数器······································································································· 77
10.1.3 DP 主站(1 类)服务器的行为 ·········································································· 78
10.2 DP 主站(2 类)·································································································· 79
10.3 DP 从站 ················································································································ 79
11 编码 ······················································································································ 79
11.1 附加信息的编码规则··························································································· 79
11.1.1 概述 ······················································································································ 79
11.1.2 编码规则 ·············································································································· 80
11.1.3 附加信息的结构··································································································· 80
11.2 布尔数 ·················································································································· 83
11.3 无符号数 ·············································································································· 83
11.4 八位位组串··········································································································· 84
11.5 可视字符串··········································································································· 84
11.6 Set_Slave_Add 与 Global_Control 的编码··························································· 85
11.7 在 Data_Exchange 中 Data_Unit 的结构······························································ 85
11.8 主站参数集··········································································································· 86
11.8.1 总线参数集的编码······························································································· 86
11.8.2 DP 从站的参数集的编码····················································································· 89
11.9 统计计数器的编码······························································································· 91
12 直接数据链路映象程序(DDLM) ·································································· 92
12.1 概述 ······················································································································ 92
12.2 DDLM 与第 2 层的接口 ······················································································ 92
12.3 DP 主站与 DP 从站之间的通信 ·········································································· 94
12.4 DP 主站与 DP 主站之间的通信 ·········································································· 96
13 状态机的形式描述······························································································· 98
13.1 概述 ······················································································································ 98
13.2 DP 主站(1 类)的通信模型 ·············································································· 98
13.2.1 概述 ······················································································································ 98
13.2.2 现场总线数据链路(FDL)与现场总线管理层 1/2(FMA1/2)······················ 98
13.2.3 直接数据链路映象程序(DDLM)···································································· 98
13.2.4 用户接口 ·············································································································· 99
13.2.5 用户 ····················································································································· 100
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13.3 在 DP 主站中的状态机(主站-从站) ······························································ 102
13.3.1 Slave-Handler 的状态机······················································································ 102
13.3.1.1 Slave-Handler 的状态图······················································································ 102
13.3.1.2 状态机描述·········································································································· 103
13.3.1.3 状态转换 ············································································································· 105
13.3.2 Scheduler 的状态机····························································································· 116
13.3.2.1 cheduler 的状态图 ····························································································· 116
13.3.2.2 状态机描述·········································································································· 117
13.3.2.3 状态转换 ············································································································· 118
13.3.3 Service-Handler 的状态机··················································································· 132
13.3.3.1 Service-Handler 的状态图··················································································· 132
13.3.3.2 状态机描述·········································································································· 132
13.3.3.3 状态转换 ············································································································· 133
13.3.4 DDLM 的状态机································································································· 135
13.3.4.1 DDLM 的状态图································································································· 135
13.3.4.2 状态机描述 ········································································································ 135
13.3.4.3 状态转换 ············································································································· 136
13.4 DP 主站(2 类)的通信模型 ············································································· 146
13.4.1 概述 ····················································································································· 146
13.4.2 Profibus 的 FDL 与 FMA1/2 ··············································································· 147
13.4.3 直接数据链路映象程序(DDLM)········································································ 147
13.4.4 用户 ····················································································································· 148
13.5 DP 主站中的状态机(主站-主站) ··································································· 149
13.5.1 DDLM DP 主站(1 类)的状态机·································································· 149
13.5.1.1 DDLM DP 主站(1 类)的状态图·································································· 149
13.5.1.2 状态机描述·········································································································· 150
13.5.1.3 状态转换 ············································································································· 151
13.5.2 DDLM DP 主站(2 类)的状态机·································································· 164
13.5.2.1 DDLM DP 主站(2 类)的状态图·································································· 164
13.5.2.2 状态机描述·········································································································· 164
13.5.2.3 状态转换 ············································································································· 165
13.6 DP 从站的通信模型···························································································· 176
13.6.1 概述 ····················································································································· 176
13.6.2 现场总线数据链路(FDL)与现场总线管理层 1/2(FMA1/2)····················· 176
13.6.3 直接数据链路映象程序(DDLM)··································································· 176
13.6.4 用户接口 ············································································································· 177
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