🚧 WIP

config.example.yaml

@@ -16,6 +16,19 @@ tags:
   - { name: "Channel1.Device1.Counter", expect_change: true }   # D13 frozen-value detection applies
   - { name: "Channel1.Device1.Level" }
 
+# D16 device-link indicators: tags saying whether the OPC server can reach the
+# device. DOWN (= DEVICE_LINK_DOWN, CRITICAL, clear-text status in the log) when
+# the tag reads non-GOOD, errors, or its GOOD value is NOT in ok_values.
+# ok_values defaults to [true] (boolean connected-flags); set it per system
+# convention: inverted fault flags -> [false, 0], string states -> ["RUN"].
+# Compared by string equality on the rendered value ("True"/"1"/"RUN").
+# Do NOT also list these under tags: - they are polled automatically.
+devices:
+  - { name: "Conveyor 3", tag: "Channel1.Device3.Connected" }              # ok: true/1
+  - { name: "Conveyor 4", tag: "Channel1.Device4.Connected", ok_values: [true, 1] }
+  - { name: "Pump A", tag: "Channel1.PumpA.Fault", ok_values: [false, 0] } # inverted: 0 = ok
+  - { name: "Boiler 2", tag: "Channel1.Boiler2.State", ok_values: ["RUN"] }
+
 latency:
   warn_ms: 1000                         # D4 single-spike threshold
   critical_ms: 5000                     # D5 sustained-slow severity