Sequential Rest Calls

Configuration
1

I am trying to read data from my Weishaupt WTC-COM (heating interface). This is a really poorly engineered device that only accepts one request at a time. If you try to send it more than one, it blocks.

This is basically what I need to read:

sensor:
  - platform: rest
    resource: http://172.22.1.128/parameter.json
    method: POST
    payload: '{"prot":"coco","telegramm":[[6,1,1,2586,0,0,0,0]]}'
    name: weishaupt_aussentemp
    value_template: '{{ (value_json.telegramm[0][6] + value_json.telegramm[0][7]*256) / 10 }}'
    unit_of_measurement: "°C"

  - platform: rest
    resource: http://172.22.1.128/parameter.json
    method: POST
    payload: '{"prot":"coco","telegramm":[[12,1,1,15,0,0,0,0]]}'
    name: weishaupt_vorlauftemp
    value_template: '{{ (value_json.telegramm[0][6] + value_json.telegramm[0][7]*256) / 10 }}'
    unit_of_measurement: "°C"

  - platform: rest
    resource: http://172.22.1.128/parameter.json
    method: POST
    payload: '{"prot":"coco","telegramm":[[6,1,1,4,0,0,0,0]]}'
    name: weishaupt_solltemp
    value_template: '{{ (value_json.telegramm[0][6] + value_json.telegramm[0][7]*256) / 10 }}'
    unit_of_measurement: "°C"

How can I optimize my 3 calls so they don’t happen at the same time? I am fine with updates every minute or so.

2

Take a look the example here. RESTful - Home Assistant

3

I saw that but don’t see how I can configure a different payload for each sensor?