Iaiops plcnext

Skill industrial-aiops/industrial-aiops/skills/iaiops-plcnext

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npx -y skills add industrial-aiops/industrial-aiops --skill iaiops-plcnext

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PLCnext / virtualized-PLC edition of iaiops — Phoenix Contact PLCnext Control and vPLC (虚拟化 PLC) reached over its built-in OPC-UA server (opc.tcp 4840) and Modbus-TCP process-data server, plus the cross-protocol brain (dataflow diagnosis, downtime root cause, PdM, OEE, alarm, baseline). A packaging edition — no new connector, no PLCnext-vendor SDK: it routes to the standard OPC-UA and Modbus tools already shipped. Use when the task mentions PLCnext / PLCnext Control / AXC F / vPLC / virtual PLC / 虚拟 PLC / Phoenix Contact controller over OPC-UA or Modbus. Read-first; this edition's tool surface is read-only.

SKILL.md

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iaiops-plcnext — PLCnext / vPLC edition（OPC-UA + Modbus + 脑）

启动：IAIOPS_MCP=plcnext / iaiops-mcp-plcnext（= opcua + modbus + 脑;等价 IAIOPS_MCP=opcua,modbus）。打包型 edition:PLCnext Control / vPLC 通过其内置 OPC-UA server(opc.tcp 4840)与 Modbus-TCP 过程数据 server 读取 —— 不新增 connector、不依赖 PLCnext 厂商 SDK,直接复用已发布的标准 OPC-UA / Modbus 工具 + 跨协议脑。

工具

OPC-UA（只读;PLCnext 内置 OPC-UA server,opc.tcp 4840）

opcua_server_info / opcua_browse / opcua_read_node / opcua_read_many
opcua_subscribe_sample opcua_read_alarms opcua_alarm_events(A&C 带时间戳) opcua_read_history(HDA)
opcua_diagnose_connection — 连接失败归因(证书/策略/认证/网络/配置)
opcua_discover_tags — 自动发现 + 语义资产建模;opcua_health_summary 阈值分类; opcua_anomaly_scan 有界统计异常扫描

Modbus-TCP（只读;PLCnext 过程数据 server）

modbus_read_holding modbus_read_input modbus_read_coils modbus_read_discrete
modbus_detect_byte_order — 字节/字序自动探测
modbus_list_templates / modbus_apply_template — 厂商寄存器模板 → 命名 tag
modbus_health_summary — 寄存器 vs 阈值分类

跨协议脑（永远随 server 暴露）

诊断：diagnose_dataflow downtime_root_cause downtime_root_cause_live downtime_triage learn_cause_weights rca_corpus_from_maintenance historian_health alarm_bad_actors tag_health subscription_health heartbeat_health alarm_flood_analysis alarm_cascade alarm_rationalization_worksheet
预测维护：pdm_forecast
数据质量：data_quality_scorecard data_quality_fleet_rollup
分析：oee_compute downtime_events oee_multidim monitor_changes
资产：asset_inventory cross_protocol_asset_model adopt_alias_map diff_alias_map
基线：baseline_learn baseline_check baseline_record_change baseline_status
合规/信创：compliance_mapping compliance_frameworks compliance_dengbao_levels compliance_report compliance_evidence_bundle historian_push export_data historian_query historian_coverage stream_publish stream_publish_event rca_narrate fleet_status fleet_incidents
程序解读：plc_program_outline plc_program_xref plc_program_section plc_program_visibility （解读导出的 ST/AWL/L5X;PLCnext 工程可导出 IEC 61131 ST 文本后离线解读）
元：protocols_supported

Workflows

Doctor-first：protocols_supported → iaiops doctor → opcua_diagnose_connection (先确认 PLCnext 内置 OPC-UA server 4840 可达、证书/策略匹配)。
Read-first：过程量走 OPC-UA opcua_read_many / Modbus modbus_read_holding; "没数据"用 diagnose_dataflow,停机用 downtime_triage / downtime_root_cause_live。
只读:本 edition 工具表面全只读。若需写(输出/设定值),切到含写工具的 profile 并走统一 MOC:risk=HIGH + 默认 dry_run=True + 改前值 undo + iaiops approve 具名审批双确认。

支持版本矩阵（内部 HLD §8，设计文档不随本仓发布;`待核实` 不得当既成事实）

协议	库(pin)	规范/版本	覆盖	传输	自测
OPC-UA	`asyncua>=1.0,<2`	OPC UA 1.0x（DA+HA+AC 子集）	PLCnext 内置 OPC-UA server	opc.tcp/4840	✅ mock+HDA;真 PLCnext 待核实
Modbus-TCP	`pymodbus>=3.5,<4`	App 1.1b3;FC 1/2/3/4/5/6/15/16	PLCnext 过程数据 server	TCP/502	✅;真 PLCnext 待核实