Meter (SunSpec): read max AC power from nameplate (#32732)

templates/definition/meter/enphase-modbus.yaml

@@ -17,8 +17,7 @@ params:
     choice: ["tcpip"]
     id: 1
   - name: maxacpower
-    service: modbus/read?address=40227&type=holding&encoding=uint16&scale=1&{modbus}
-    usages: ["pv"]
+    deprecated: true # read from nameplate
 render: |
   type: custom
   # sunspec model 701 (DER AC Measurement)
@@ -96,5 +95,5 @@ render: |
         percent = int(limit)
       }
       percent
-  maxacpower: {{ .maxacpower }}
+  {{- include "sunspec-maxacpower" . }}
   {{- end }}

templates/definition/meter/fronius-argeno.yaml

@@ -16,6 +16,7 @@ params:
   - name: port
     default: 502
   - name: maxacpower
+    deprecated: true # read from nameplate
 render: |
   type: custom
   # Fronius Argeno: AC output via SunSpec inverter model 113 (float, primary)
@@ -38,4 +39,4 @@ render: |
       - 113:WH
       - 103:WH
     scale: 0.001
-  maxacpower: {{ .maxacpower }} # W
+  {{- include "sunspec-maxacpower-tcp" . }}

templates/definition/meter/fronius-gen24.yaml

@@ -31,6 +31,7 @@ params:
       generic: Integer
     deprecated: true
   - name: maxacpower
+    deprecated: true # read from nameplate
   - preset: battery-params
   - name: maxchargerate
 render: |
@@ -167,7 +168,7 @@ render: |
       id: 1
       value: 160:2:DCWH # mppt 2
       scale: 0.001
-  maxacpower: {{ .maxacpower }} # W
+  {{- include "sunspec-maxacpower-tcp" . }}
   curtail:
     source: sequence
     set:

templates/definition/meter/fronius-vertoplus.yaml

@@ -18,6 +18,7 @@ params:
       de: "Zähleradresse von Primär- oder Sekundärzählern. Auf der Weboberfläche des Wechselrichters kann nur die Adresse des ersten Zählers (z.B. 200) eingestellt werden. Zusätzliche Zähler erhalten eine aufsteigende Nummer (z.B: 201)."
     usages: ["grid"]
   - name: maxacpower
+    deprecated: true # read from nameplate
   - name: maxchargerate
   - preset: battery-params
 render: |
@@ -163,7 +164,7 @@ render: |
       id: 1
       value: 160:3:DCWH # mppt 3
       scale: 0.001
-  maxacpower: {{ .maxacpower }} # W
+  {{- include "sunspec-maxacpower-tcp" . }}
   {{- end }}
   {{- if eq .usage "battery" }}
   power:

templates/definition/meter/kostal-plenticore-gen2.yaml

@@ -35,7 +35,7 @@ params:
     default: little
     advanced: true
   - name: maxacpower
-    service: modbus/read?address=531&type=holding&encoding=uint16&{modbus}
+    deprecated: true # read from nameplate
   - preset: battery-params
   - name: capacity
     service: modbus/read?address=1068&type=holding&encoding=float32s&scale=0.001&{modbus}
@@ -74,7 +74,7 @@ render: |
       type: holding
       encoding: {{ if (eq .endianness "big") }}float32{{ else }}float32s{{ end }}
     scale: 0.001 # Wh -> kWh
-  maxacpower: {{ .maxacpower }} # W
+  {{- include "sunspec-maxacpower" . }}
   # feed-in curtailment via active power limit (SunSpec model 123, WMaxLimPct @ 40217).
   # written as a single register (fn 06); the Plenticore rejects write multiple (fn 16) here.
   # WMaxLim_Ena (register 40221) is enabled by default and left to the inverter

templates/definition/meter/solaredge-hybrid.yaml

@@ -109,7 +109,7 @@ render: |
           address: 0xE174 # Battery 1 Instantaneous Power
           type: holding
           decode: float32nans
-  maxacpower: {{ .maxacpower }} # W
+  {{- include "sunspec-maxacpower" . }}
   curtail:
     source: sequence
     set:

templates/definition/meter/solaredge-inverter.yaml

@@ -149,4 +149,5 @@ render: |
         percent = 100
       }
       percent
+  {{- include "sunspec-maxacpower" . }}
   {{- end }}

templates/definition/meter/sunspec-hybrid-curtailable.yaml

@@ -11,6 +11,7 @@ params:
   - name: modbus
     choice: ["tcpip", "rs485"]
   - name: maxacpower
+    deprecated: true # read from nameplate
 render: |
   type: custom
   # sunspec model 203 (int+sf)/ 213 (float) meter
@@ -88,4 +89,4 @@ render: |
         percent = int(limit)
       }
       percent
-  maxacpower: {{ .maxacpower }} # W
+  {{- include "sunspec-maxacpower" . }}

templates/definition/meter/sunspec-hybrid.yaml

@@ -11,6 +11,7 @@ params:
   - name: modbus
     choice: ["tcpip", "rs485"]
   - name: maxacpower
+    deprecated: true # read from nameplate
   - preset: battery-params
 render: |
   type: custom
@@ -106,7 +107,7 @@ render: |
         {{- include "modbus" . | indent 6 }}
         value: 160:2:DCWH # mppt 2
         scale: 0.001
-  maxacpower: {{ .maxacpower }} # W
+  {{- include "sunspec-maxacpower" . }}
   {{- end }}
   {{- if eq .usage "battery" }}
   power:

templates/definition/meter/sunspec-inverter-curtailable.yaml

@@ -87,3 +87,4 @@ render: |
         percent = int(limit)
       }
       percent
+  {{- include "sunspec-maxacpower" . }}

templates/definition/meter/sunspec-inverter.yaml

@@ -153,6 +153,7 @@ render: |
       - 103:WH
       - 113:WH
     scale: 0.001
+  {{- include "sunspec-maxacpower" . }}
   {{- end }}
   {{- if eq .usage "battery" }}
   power:

templates/definition/meter/sunspec.tpl

@@ -0,0 +1,18 @@
+{{ define "sunspec-maxacpower" }}
+maxacpower: # nameplate rating
+  source: sunspec
+  {{- include "modbus" . | indent 2 }}
+  value:
+    - 120:WRtg
+    - 702:WMaxRtg
+{{- end }}
+
+{{ define "sunspec-maxacpower-tcp" }}
+maxacpower: # nameplate rating
+  source: sunspec
+  uri: {{ joinHostPort .host .port }}
+  id: 1
+  value:
+    - 120:WRtg
+    - 702:WMaxRtg
+{{- end }}