Devices compatible with Alnet II protocol.
Devices compatible with Alnet II protocol.
Communication Driver Information | |
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Driver name | Alnet2 |
Assembly Name | T.ProtocolDriver.Alnet2 |
Assembly Version | 1.3.7.0 |
Available for Linux | False |
Devices supported | Devices Using Alnet II Protocol like AL-3412, AL-3405, PO7094, ... |
Manufacturer | Altus |
Protocol | Alnet II (Proprietary) |
PC Requirements | TCP/IP |
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 |
BlockSize: Defines the maximum amount of items per group, the default value is 512.
Node: Computer node address in the Alnet network. Default value: 1 (Used only to unsolicited messages)
SubNetwork: Alnet subnetwork. Default value: 0 (Used only to unsolicited messages)
IP: IP address of the target PLC station in the Alnet network.
Port: IP Port used in the Alnet II communication. Default value: 405 (Read Only)
The syntax for the Alnet communication points are:
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: 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)
Alnet-II Driver Revision History | |
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Version | Notes |
1.3.7.0 | Initial release on new documentation standards |