List Recipes#

When activated, the List Recipes task will send an S7F19 (List Recipes) SECS/GEM message to the equipment.

Inputs#

Outputs#

Settings#

On the General tab, you have the usual settings and the following settings:

The reply path is a useful way to navigate through the SECS/GEM message, below you can find an example:

Example:

{
    "type": "L",
    "value": [
        { "type": "A", "value": "test" },
        { "type": "BO", "value": true },
        { "type": "BI", "value": "0x01" },
        { "type": "I1", "value": 1 },
        { "type": "I2", "value": 2 },
        { "type": "I4", "value": 4 },
        { "type": "I8", "value": 8 },
        { "type": "U1", "value": 11 },
        { "type": "U2", "value": 22 },
        { "type": "U4", "value": 44 },
        { "type": "U8", "value": 88 },
        { "type": "F4", "value": 3.14 },
        { "type": "F8", "value": 3.1415 },
        { "type": "L", "value": [
            { "type": "BO", "value": [true, false, false, true] },
            { "type": "BI", "value": [1, 2, 255] },
            { "type": "I1", "value": [1, 2, 3] },
            { "type": "I2", "value": [2, 3, 4] },
            { "type": "I4", "value": [4, 5, 6] },
            { "type": "I8", "value": [8, 9, 10] },
            { "type": "U1", "value": [11, 12, 13] },
            { "type": "U2", "value": [22, 23, 24] },
            { "type": "U4", "value": [44, 45, 46] },
            { "type": "U8", "value": [88, 89, 90] },
            { "type": "F4", "value": [3.14, 3.15, 3.16] },
            { "type": "F8", "value": [3.1415, 3.141516, 3.14151617] }
        ]}
    ]
}

SECS/GEM item values can be extracted from a message using a path-like string. The separator is the "/" character. Indexes start in 1 (1..n). If using a type prefix, will match the order index.

The following examples should help to explain how to use them:

• "/" -> would return the root node
• "/[1]" -> would return string "test"
• "/[4]" -> Would return integer 1
• "/U1" -> Would return 11
• "/U1[1]" -> Would also return 11
• "/L/[3]" -> Would return [1, 2, 3]
• "/[14]/[3]" -> Would also return [1, 2, 3]

The request message and reply messages can be custom created SECS-GEM messages. The JSON format can be used to create the body of the message, as shown above in the reply message example.

A SECS/GEM message can be build using JSON format, where each SECS/GEM item is represented as an object with the following format:
{
   "name": "OptionalName",
   "comment": "Optional Comment/Description",
   "type": "A",
   "value": "test"
}

The supported types are:

• A - ASCII (Strings)
• BI - Binary ValueBO - Boolean
• I1, I2, I4, I8 - Signed Integers
• U1, U2, U4, U8 - Unsigned Integers
• F4, F8 - Float/Double
• L - Lists

Behavior#

In this task you choose a driver when dropping it into the workflow (if you have more than one driver associated with the controller).

Upon activation, will send an S7F19 (List Recipes) message to the driver of the equipment. The equipment will in turn reply with a list of all the recipes available in the equipment.

If the reply matches what was expected in the correct path and with the correct success code, the task will emit a value true on the Success output. In case of the task , for some reason, is not able send the message or if it receives an unexpected reply, an Error is emitted.

Remarks#

There is no particular remark to be made.