| Volume BaseComponent | |
| Attributes: Runtime | Development | System | Template | Detail C Binding: Struct | Class ClassTree | INDEX NO INDEX |
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Class BaseIOCard
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|---|---|---|
| Version | 1.0 | |
| Modified | 26-SEP-2007 17:04:09.33 | |
Base class for a I/O Card. The class should be subclassed by a card class that contains the I/O methods and possible additional attributes. The attributes Process and ThreadObject are used by the I/O framework. Address, ErrorCount, SoftErrorLimit and HardErrorLimit should be handled in the I/O-methods of the subclass.
| RtBody attributes pwr_sClass_BaseIOCard | |||
|---|---|---|---|
| String104 | Description | Description of the Card. | |
| String80 | Specification | Specification of the Card. | |
| URL | DataSheet | A URL to the data sheet for the equipment in this hierarchy. | |
| UInt32 | Address | Card address. | |
| IoProcessMask | Process | Process that handles the card. Plc(1), rt_io_comm(2) or application process(4). | |
| Objid | ThreadObject | Plc thread that handles the card. | |
| UInt32 | ErrorCount | Error counter. | |
| UInt32 | ErrorSoftLimit | Error counter limit for warning message. | |
| UInt32 | ErrorHardLimit | Error counter limit for abort. | |
| UInt16 | MaxNoOfChannels | Maximum number of channels on this card. | |
| Template Object | |
|---|---|
| Process | 1 |
| ErrorSoftLimit | 50 |
| ErrorHardLimit | 100 |
| MaxNoOfChannels | 16 |
| Description Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | String104 | |
| Flags | ||
| Body | RtBody | |
Description of the Card. Used for documentation only. The description is viewed in the navigator when the object is visible.
| Specification Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | String80 | |
| Flags | ||
| Body | RtBody | |
Specification of the Card. Used for documentation only.
| DataSheet Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | URL | |
| Flags | ||
| Body | RtBody | |
A URL to the data sheet for the equipment in this hierarchy. The data sheet can be displayed from the popup menu for this object.
| Address Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | UInt32 | |
| Flags | ReduTransfer | |
| Body | RtBody | |
Card address.
| Process Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | IoProcessMask | |
| Flags | ||
| Body | RtBody | |
Process that handles the card. 1: The card is handled by the plc process, and is handled by a specific thread in the plc, which is specified in the ThreadObject attribute. 2: The card is handled by the rt_io_comm process. 4: The card is handled by an application program.
| ThreadObject Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | Objid | |
| Flags | ||
| Body | RtBody | |
The PlcThread object of the plc thread that handles the card. The rack is card or written with the scantime of the thread.
| ErrorCount Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | UInt32 | |
| Flags | ReduTransfer | |
| Body | RtBody | |
Error counter.
| ErrorSoftLimit Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | UInt32 | |
| Flags | ReduTransfer | |
| Body | RtBody | |
Error counter limit for warning message.
| ErrorHardLimit Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | UInt32 | |
| Flags | ReduTransfer | |
| Body | RtBody | |
Error counter limit for abort.
| MaxNoOfChannels Attribute | ||
|---|---|---|
| Class | Attribute | |
| Type | UInt16 | |
| Flags | ||
| Body | RtBody | |
Maximum number of channels on this card.