Configuration Channel (channel 2)

Registers in Configuration channel.

RegNo	Identifier	Memory type	Read Out	Type
0	Reserve	PC RAM	Decimal	Boolean
1	ReserveTimer	PC RAM	Decimal	Real
2	ReservePreset	PC RAM	Decimal	Real
3
4	ConfigRecord	PC RAM	-----------	Record
5	CommandResult	Special function	Decimal	Integer
6	ProjectName	Stream	-------	String
7	LastConfigurationDate	Stream	-------	RealDate
8
9
10
11
12
13
14	Guid	Stream Read only	-------	String
15

RegNo 0: Reserve

Reserve:

Real;

To avoid any conflicts when configuring the service, use the TestAndSet instruction to first check whether the channel is already in use.

RegNo 1: ReserveTimer

ReserveTimer:

Real;

When the Reserve flag is set, the Reservetimer is preset with the value stored in the ReservePreset register. When the reservetimer reaches 0.0 the reserve flag is cleared.

RegNo 2: ReservePreset

ReservePreset:

Real;

This register holds the value used to preset the reserve timer. This value defines the maximum time the channel will be reserved.

RegNo 4: ConfigRecord

Record
	ObjectType:	String[32];
	NetName:	String[32];
	NodeNo:	Byte;
	NeighbourNetName:	String[32];
	NeighbourNodeNo:	Byte;
End;

This register is used to configure the service. Enter the correct values into the record and then store the value ‘1’ in the CommandResult register.

RegNo 5: CommandResult

CommandResult:

Integer;

This register is used to signal the service when a new configuration is to be downloaded.

The following commands can be used:

To add an element, store the value ‘1’ in the register.
When all elements are added store the value ‘2’ in the register.

Results returned to the CommandResult register

Results when adding an element

0 -> Success
–1 -> Type does not exist.
–2 -> The element already exists.

Results when activating the configuration

0 -> Success
–1 -> Error

RegNo 6: ProjectName

ProjectName:

String[100];

The P-NET Gateway Service Editor writes the name of the VIGO project used during the configuration to this register.

RegNo 7: LastConfigurationDate

LastConfigurationDate:

RealDate;

The P-NET Gateway Service Editor writes the date and time to this register during the configuration.

RegNo 14: GUID

GUID:

String21;

Each channel type is identified by means of a unique GUID. The value of GUID for the Configuration channel is: PD/551406-01.