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Constants

slmp.constants

SLMP 4E binary constants and command/device definitions.

Classes

Command

Bases: IntEnum

Command list from SH080956ENGN 5.1.

Source code in slmp\constants.py 
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class Command(IntEnum):
    """Command list from SH080956ENGN 5.1."""

    # Device
    DEVICE_READ = 0x0401
    DEVICE_WRITE = 0x1401
    DEVICE_READ_RANDOM = 0x0403
    DEVICE_WRITE_RANDOM = 0x1402
    DEVICE_ENTRY_MONITOR = 0x0801
    DEVICE_EXECUTE_MONITOR = 0x0802
    DEVICE_READ_BLOCK = 0x0406
    DEVICE_WRITE_BLOCK = 0x1406

    # Label
    LABEL_ARRAY_READ = 0x041A
    LABEL_ARRAY_WRITE = 0x141A
    LABEL_READ_RANDOM = 0x041C
    LABEL_WRITE_RANDOM = 0x141B

    # Memory / Extend unit
    MEMORY_READ = 0x0613
    MEMORY_WRITE = 0x1613
    EXTEND_UNIT_READ = 0x0601
    EXTEND_UNIT_WRITE = 0x1601

    # Remote control
    REMOTE_RUN = 0x1001
    REMOTE_STOP = 0x1002
    REMOTE_PAUSE = 0x1003
    REMOTE_LATCH_CLEAR = 0x1005
    REMOTE_RESET = 0x1006
    READ_TYPE_NAME = 0x0101

    # Remote password
    REMOTE_PASSWORD_LOCK = 0x1631
    REMOTE_PASSWORD_UNLOCK = 0x1630

    # Other
    SELF_TEST = 0x0619
    CLEAR_ERROR = 0x1617

DeviceCode dataclass

Device code and number radix.

Source code in slmp\constants.py 
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@dataclass(frozen=True)
class DeviceCode:
    """Device code and number radix."""

    code: int
    radix: int  # 10 or 16
    unit: DeviceUnit = DeviceUnit.WORD

DeviceUnit

Bases: IntEnum

Device unit (bit or word).

Source code in slmp\constants.py 
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class DeviceUnit(IntEnum):
    """Device unit (bit or word)."""

    BIT = 0
    WORD = 1

FrameType

Bases: str, Enum

SLMP frame type (3E or 4E).

Source code in slmp\constants.py 
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class FrameType(str, Enum):
    """SLMP frame type (3E or 4E)."""

    FRAME_3E = "3e"
    FRAME_4E = "4e"

ModuleIONo

Bases: IntEnum

Request destination module I/O No. from SH080956ENGN 4.2.

Source code in slmp\constants.py 
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class ModuleIONo(IntEnum):
    """Request destination module I/O No. from SH080956ENGN 4.2."""

    OWN_STATION = 0x03FF
    CONTROL_CPU = 0x03FF
    MULTIPLE_CPU_1 = 0x03E0
    MULTIPLE_CPU_2 = 0x03E1
    MULTIPLE_CPU_3 = 0x03E2
    MULTIPLE_CPU_4 = 0x03E3
    CONTROL_SYSTEM_CPU = 0x03D0
    STANDBY_SYSTEM_CPU = 0x03D1
    SYSTEM_A_CPU = 0x03D2
    SYSTEM_B_CPU = 0x03D3

    # Remote head aliases
    REMOTE_HEAD_1 = 0x03E0
    REMOTE_HEAD_2 = 0x03E1
    CONTROL_SYSTEM_REMOTE_HEAD = 0x03D0
    STANDBY_SYSTEM_REMOTE_HEAD = 0x03D1

PLCSeries

Bases: str, Enum

Series option for subcommand compatibility.

Source code in slmp\constants.py 
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class PLCSeries(str, Enum):
    """Series option for subcommand compatibility."""

    QL = "ql"  # MELSEC-Q/L compatible (0000/0001)
    IQR = "iqr"  # MELSEC iQ-R/iQ-L (0002/0003)