snap7_logo

Requirements

Siemens LOGO PLC

Library snap7 and python-snap7 need to be installed prior to usage of the plugin. https://python-snap7.readthedocs.io/en/latest/installation.html

Supported Hardware

Siemens LOGO version 0BA7
Siemens LOGO version 0BA8 8.1 8.2 (8.3 nicht getestet?)

Configuration

plugin.yaml

Sample configuration file for two instances of the logo plugin.

logo1:
    plugin_name: snap7_logo
    instance: logo1
    host: 10.10.10.99
    tsap_server: 0x200
    tsap_client: 0x100
    cycle: 60
    # port: 102
    # version: 0BA7
logo2:
    plugin_name: snap7_logo
    instance: logo2
    host: 10.10.10.100
    version: 0BA8
    # port: 102
    # cycle: 5

• ‚instance‘ = Name der Instanz, sollen mehrer Geräte angesprochen werden (Multiinstanz)

• ‚cycle‘ = Zeit (sec) nachdem eine neue Verbindung zur Logo aufgebaut wird, um Änderungen zu holen. (Default 5 Sekunden)

• ‚version‘ = Siemens LOGO Hardware Version. (Default 0BA7)

items.yaml

logo_read@logo1: I1

Input, Output, Mark to read from Siemens Logo
@logo1 instancename

logo_write@logo1: M3

Input, Output, Mark to write to Siemens Logo
@logo1 instancename

• ‚I‘ Input bit to read I1, I2 I3,.. (max I24)

• ‚Q‘ Output bit to read/write Q1, Q2, Q3,.. (0BA7 max Q16; OBA8 max Q20)

• ‚M‘ Mark bit to read/write M1, M2 M3,.. (0BA7 max M27; OBA8 max M64)

• ‚AI‘ Analog Input(word) to read AI1, AI2, AI3,.. (max AI8)

• ‚AQ‘ Analog Output(word) to read/write AQ1, AQ2,.. (0BA7 max AQ2; OBA8 max AQ8)

• ‚AM‘ Analog Mark(word) to read/write AM1, AM2, AM3,.. (0BA7 max AM16; OBA8 max AM64)

• ‚NI‘ Network Input bit to read NI1, NI2,.. (OBA8 max NI64)

• ‚NAI‘ Network Analog Input (word) to read NAI1, NAI2,.. (OBA8 max NAI32)

• ‚NQ‘ Network Output bit to read NQ1, NQ2,.. (OBA8 max NQ64)

• ‚NAQ‘ Network Analog Output (word) to read NAQ1, NAQ2,.. (OBA8 max NAQ16)

• ‚VM‘ VM-Byte to read/write VM0, VM1, VM3,.. VM850

• ‚VMx.x‘ VM-Bit to read/write VM0.0, VM0.7, VM3.4,.. VM850.7

• ‚VMW‘ VM-Word to read/write VMW0, VM2, VMW4,.. VM849

Example:

Heizraum:
    Warmwasser:
        Ist_temperatur:
            type: num
            eval: value/10
            visu_acl: rw
            logo_read@logoheizraum: AM1
        Soll_temperatur:
            type: num
            visu_acl: rw
            cache: True
            logo_write@logoheizraum: VMW0
        Durchflusswaechter:
            type: bool
            logo_read@logoheizraum: I1
        Zirkulation_pumpe:
            type: bool
            logo_read@logoheizraum: Q3
TestLOGO:
    I1:
        type: bool
        logo_read@logotest: "I1"
    Q1:
        type: bool
        logo_read@logotest: "Q1"
    M1:
        type: bool
        logo_write@logotest: "M1"
    M2:
        type: bool
        logo_read@logotest: "M2"
        logo_write@logotest: "M2"