Properties

Single bit Read-Write Starting address 0x00001 to 0x09999

The Coil item type has the following properties:

NameDescriptionIDFlags
Inverted

If this attribute is true, the incoming value is inverted before writing to the Modbus register.

10070Persisted
Quality

Item quality - this tells you whether an item currently has a good or bad quality. It might be bad, for example, because it isn't connected or is set to the wrong type.

3ReadOnly
Rights

Item access rights - this property may be "read", or "read write". This means that the property may only be read from, or also can be written to. For OPC items, this written value will be passed on to the external items this item comes from.

5ReadOnly
Slaveaddress

The slave address (Unit ID) of the Modbus slave (overrides the module property).

10030Persisted
SrcItemID

The item ID in the source. This is the item ID this item uses to fetch data from the source.

5030Persisted
Time

The date and time when this item was last updated.

4ReadOnly
Type

The item canonical data type - the specific type of this item. Whether it's an integer, string, date, etc.

1ReadOnly

See also Predefined Item Properties and OPC DA Properties