• Name: Alnet
  • Version: 1.14.0.0
  • Protocol: Alnet I (Proprietary) 
  • Interface: Standard Serial Port
  • Runtime: .Net 4.8 (Windows)
  • Configuration:
    • Devices / Protocols



Overview

Devices compatible with Alnet I protocol.

Communication Driver Information

Driver name

Alnet

Assembly Name

T.ProtocolDriver.Alnet

Assembly Version

1.14.0.0

Available for Linux

False

Devices supported 

AL-2000 family

Manufacturer

Altus

Protocol

Alnet I (Proprietary)

PC Requirements

Serial or MultiSerial



Supported Operands


Operand

Read

Write

Bit Read

Bit Write

Data Type

Address size

E - Input Octet

Yes

Yes

Yes

Yes

Byte

1 byte

S - Output Octet

Yes

Yes

Yes

Yes

Byte

1 byte

A - Auxiliary

Yes

Yes

Yes

Yes

Byte

1 byte

M - Memory

Yes

Yes

Yes


Word

2 bytes

I - Integer

Yes

Yes

Yes


DWord

4 bytes

D - Decimal

Yes

Yes

Yes


LBCD

4 bytes

F - Real

Yes

Yes



Single

4 bytes

TM - Memory Table

Yes

Yes

Yes


Word

2 bytes

TI - Integer Table

Yes

Yes

Yes


DWord

4 bytes

TD - Decimal Table

Yes

Yes

Yes


LBCD

4 bytes

TF - Real Table

Yes

Yes



Single

4 bytes


Channels Configuration

Protocol Options

BlockSize: Defines the maximum amount of items per group, the default value is 248.

Family:  Set the PLC family. It can be:

  • 2000: For the AL-2000 series.

EventsTableSize: Size of the events table for unsolicited messages. Default value: 64.

EventsDataSource: Source of events: "PLC" (default) or "Computer".

Trace: Enables/disables communication debug logs. Default: "Disabled".


Nodes Configuration

Station Configuration 

There is no station configuration for the Altus Alnet-I driver.


Points Configuration

The syntax for the Alnet communication points are:

  • %<Operand><Address>

Operand: Indicates the memory area, the valid values are:

Operand

Read

Write

Bit Read

Bit Write

Data Type

Address size

E - Input Octet

Yes

Yes

Yes

Yes

Byte

1 byte

S - Output Octet

Yes

Yes

Yes

Yes

Byte

1 byte

A - Auxiliary

Yes

Yes

Yes

Yes

Byte

1 byte

M - Memory

Yes

Yes

Yes


Word

2 bytes

I - Integer

Yes

Yes

Yes


DWord

4 bytes

D - Decimal

Yes

Yes

Yes


LBCD

4 bytes

F - Real

Yes

Yes



Single

4 bytes

Address: Indicates the data address in the memory area.

Ex: %E0000 (Operand = E, Address = 0)

  • %<Operand><TableId>[TablePosition]

Operand: Indicates the memory area, the valid values are:

Operand

Read

Write

Bit Read

Bit Write

Data Type

Address size

TM - Memory Table

Yes

Yes

Yes


Word

2 bytes

TI - Integer Table

Yes

Yes

Yes


DWord

4 bytes

TD - Decimal Table

Yes

Yes

Yes


LBCD

4 bytes

TF - Real Table

Yes

Yes



Single

4 bytes

TableId: Indicates the table memory area.

TablePosition: Indicates the position in table memory area.

Ex: %TM0001[2] (Operand = TM, TableId = 1 TablePosition = 2)



Driver Revision History

Alnet Driver Revision History

Version 

Notes

1.14.0.0

Initial release on new documentation standards


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