Zone Control

This command is used to activate or deactivate a zone. Zones based on the Flyway IDs are automatically created at start up, ie. Flyway 1 is Zone 1, Flyway 2 is Zone 2, etc. These default zones can be overwritten using the Define Zone command (or new zone IDs added).

Fieldbus Interface

PMC_Zone_ZoneCtrl

Inputs

Name	Data Type	Description
Execute	BOOL	Execution of the function block begins on a rising edge of this input.
ZoneID	USINT	Zone ID, same as Flyway ID by default, you may define your own Zones as well using Define Zone
Level	USINT	Control level: 0 = deactivate zone, 1 = activate zone
PM_Controller	PMControllerType	Data structure that specifies which PMC to connect to. There should be only 1 instance of this variable for each connected PMC.

Outputs

Name	Data Type	Description
Ack	BOOL	Command has been accepted by the PMC when Ack = TRUE.
Done	BOOL	Execution successful. Function block is finished. (Note: Done will not become TRUE if Execute is already FALSE)
Busy	BOOL	Function block is active and must continue to be called.
Aborted	BOOL	Command aborted by another command.
Error	BOOL	If there is an error in processing the command, then Error = TRUE, otherwise, FALSE.
ErrorID	UINT	0x0: All OK. Otherwise, please see PMC Reply Codes.

Ethernet Interface

PMCRTN ZoneControl(int zoneID, ZONEOPERATION zoneOp)

Parameters

Name	Type	Description
zoneID	int	Any ID from 1 to 255. Will overwrite the default zones created using Flyway IDs is the ID is a valid Flyway ID.
zoneOp	enum	DEACTIVATE_ZONE (0): deactivate the zone; ACTIVATE_ZONE (1): activate the zone

Returns

Name	Type	Description
PMCRTN	PMCRTN enum	ALLOK (0): Command Accepted. Otherwise, please see Ethernet Reply Codes.

Conditions

Operating Conditions
Preconditions	Zone is defined successfully, not as an intersection zone No XBot(s) sitting on the boundary or crossing boundary Zone is at LOADING state ready to load xbots
Postconditions	Zone state = LOADING: Zone is ready to load XBots after deactivation Zone state = ACTIVE_UNFENCED: Zone is released (fence is turned off) after activation without XBots Zone state = ACTIVE_FENCED: XBots are activated, but fence is still on

Description

This command is used to activate or deactivate a zone. Zones based on the Flyway IDs are automatically created at start up, ie. Flyway 1 is Zone 1, Flyway 2 is Zone 2, etc. These default zones can be overwritten using the Define Zone command (or new zone IDs added).

Zone control state diagram:

Please note that only Loading Zones can be deactivated/activated. This command does not apply to Intersection Zones.