PGN127507 not available.

[nmbath]

It would seem that PGN127507 is not yet understood by Signal, but is by canboatjs.

canboatjs view

candump can1 | /usr/local/lib/node_modules/signalk-server/node_modules/@canboat/canboatjs/bin/candumpanalyzerjs | grep :129 | grep 127507 {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:26.019Z","fields":{"Instance":64,"Battery Instance":6,"Operating State":"Off","Charge Mode":"Echo mode","Equalization Pending":"Off","Reserved1":"0","Equalization Time Remaining":64520},"description":"Charger Status"} {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:26.022Z","fields":{"Instance":96,"Battery Instance":6,"Operating State":"Off","Charge Mode":7,"Equalization Pending":"Off","Reserved1":"0","Equalization Time Remaining":64520},"description":"Charger Status"} {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:26.023Z","fields":{"Instance":128,"Battery Instance":6,"Operating State":2,"Charge Mode":7,"Equalization Pending":"On","Reserved1":"0","Equalization Time Remaining":64520},"description":"Charger Status"} {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:26.083Z","fields":{"Instance":160,"Battery Instance":6,"Operating State":"Off","Charge Mode":"Echo mode","Equalization Pending":"Off","Reserved1":"0","Equalization Time Remaining":64520},"description":"Charger Status"} {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:26.086Z","fields":{"Instance":192,"Battery Instance":6,"Operating State":"Off","Charge Mode":7,"Equalization Pending":"Off","Reserved1":"0","Equalization Time Remaining":64520},"description":"Charger Status"} {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:26.086Z","fields":{"Instance":224,"Battery Instance":6,"Operating State":2,"Charge Mode":7,"Equalization Pending":"On","Reserved1":"0","Equalization Time Remaining":64775},"description":"Charger Status"} {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:26.787Z","fields":{"Instance":0,"Battery Instance":6,"Operating State":"Off","Charge Mode":"Echo mode","Equalization Pending":"Off","Reserved1":"0","Equalization Time Remaining":64520},"description":"Charger Status"} {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:26.797Z","fields":{"Instance":32,"Battery Instance":6,"Operating State":"Off","Charge Mode":7,"Equalization Pending":"Off","Reserved1":"0","Equalization Time Remaining":64520},"description":"Charger Status"} {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:26.797Z","fields":{"Instance":64,"Battery Instance":6,"Operating State":2,"Charge Mode":7,"Equalization Pending":"On","Reserved1":"0","Equalization Time Remaining":64520},"description":"Charger Status"} {"canId":435295105,"prio":6,"src":129,"dst":255,"pgn":127507,"timestamp":"2021-07-13T12:34:28.287Z","fields":{"Instance":96,"Battery Instance":6,"Operating State":"Off","Charge Mode":"Echo mode","Equalization Pending":"Off","Reserved1":"0","Equalization Time Remaining":64520},"description":"Charger Status"}

If you need raw candump data, please let me know.