To be extendable for vendor specific extensions later, the TypeDefinition is MultiStateValueDiscreteType with its mandatory Properties EnumValues and ValueAsText must be filled with the supported values which are defined in Table 18. The EnumValues Property is an array of EnumValueType. Each entry of the array represents one enumeration value with its integer notation, a human-readable representation (DisplayName), and a description. Each instance shall have the values 0 to 8, which are defined in Table 18. Element numbers 9-15 are reserved for future use. If vendors add specific elements, the range 9-15 shall be filled with ‘null’-strings. The variable CraneAxisFunction exposes the current integer notation in their Value Attribute. The ValueAsText Property shall provide the localized text representation of the current enumeration value (Value Attribute of Variable CraneAxisFunction).
Table 18 – Items of EnumValues array of CraneAxisFunction
|
Value |
DisplayName |
Description |
|
0 |
RATED_SPEED |
The axis moves at rated speed. |
|
1 |
EXTENDED_SPEED |
The axis moves above the rated speed when load is under certain percentage of rated load. This function reduces the load cycle time and can be used for hoisting.
|
|
2 |
MICROSPEED |
Microspeed turns large joystick movements on the operator interface into slow and exact load movements. This function assists in very accurate and precise load handling and reduces the risk of collision and can be used for hoisting and travelling.
|
|
3 |
INCHING |
Inching is designed to ensure accurate final load positioning by allowing the crane operator to move the load in small increments. This function assists in very accurate and precise load handling and reduces the risk of collision and can be used for hoisting and travelling.
|
|
4 |
ANTISWAY |
This function limits load swing by controlling the bridge and trolley acceleration and deceleration. Antisway allows faster load handling and more precise positioning. This feature also reduces the risk of damage to the load, crane and surrounding area. |
|
5 |
TANDEM_HOIST |
Two or more hoists are operated from a single control station for handling of a single load. Two or more load lifting attachments’/hooks’ positions are synchronized. This function gives more accuracy when two or more hoists are used at the same time. Hoisting speeds are the same within the tolerances required for the particular application. |
|
6 |
TANDEM_TROLLEY |
Two or more trolleys are operated from a single control station for handling of a single load. Horizontal speeds are the same within the tolerances required for the particular application. |
|
7 |
TANDEM_CRANE |
This function allows the operator to control two cranes at the same time from one control station. The operator controls two cranes as one. This feature is useful when the operator needs to handle a single load with two cranes. |
|
8 |
PRESET_DESTINATION |
This function allows the operator to move the crane to a predefined position without effort. With a single operator input, the crane carries out the sequence to reach the selected destination. |
|
9 - 15 |
null |
null |
|
≥ 16 |
Vendor specific |
Vendor specific description |