lvmecp

SDSS-V LVM Enclosure Control Package

Features

• CLU Actor based interface
• Supports DirectLogic 205 (Micro Modular PLC)

Prerequisite

Install Poetry by using PyPI.

$ pip install poetry
$ python create_setup.py
$ pip install -e .

Install RabbitMQ by using apt-get.

$ sudo apt-get install -y erlang
$ sudo apt-get install -y rabbitmq-server
$ sudo systemctl enable rabbitmq-server
$ sudo systemctl start rabbitmq-server

Install CLU by using PyPI.

$ pip install sdss-clu

Installation

Clone this repository.

$ git clone https://github.com/sdss/lvmecp
$ cd lvmecp
$ poetry install

Quick Start

Start the actor

Before you start the actor, you must have the PLC or simulator.

Start lvmecp actor.

$ lvmecp start

In another terminal, type clu and lvmecp ping for test.

$ clu
lvmecp ping
     07:41:22.636 lvmecp >
     07:41:22.645 lvmecp : {
         "text": "Pong."
         }

Stop lvmecp actor.

$ lvmecp stop

Example

In terminal which you are turning clu on, you can use the command for lvmecp.

$ clu
lvmecp help
13:05:25.386 lvmecp >
13:05:25.387 lvmecp : {
    "help": [
        "Usage: lvmecp [OPTIONS] COMMAND [ARGS]...",
        "",
        "Options:",
        "  --help  Show this message and exit.",
        "",
        "Commands:",
        "  dome        tasks for Dome",
        "  estop       activate the emergency status.",
        "  get_schema  Returns the schema of the actor as a JSON schema.",
        "  help        Shows the help.",
        "  keyword     Prints human-readable information about a keyword.",
        "  light       tasks for lights",
        "  monitor     return the status of HVAC system and air purge system.",
        "  ping        Pings the actor.",
        "  telemetry   return the status of the enclosure",
        "  version     Reports the version."
    ]
}
lvmecp dome status
13:05:56.294 lvmecp >
13:05:56.295 lvmecp i {
    "text": "checking the Dome"
}
13:05:56.302 lvmecp i {
    "status": {
        "Dome": "CLOSE"
    }
}
13:05:56.302 lvmecp :
lvmecp dome move
13:06:21.701 lvmecp >
13:06:21.703 lvmecp i {
    "text": "moving the Dome"
}
13:06:21.708 lvmecp i {
    "status": {
        "Dome": "OPEN"
    }
}
13:06:21.709 lvmecp :