opc_item_read - Read all OPC Items Value from OPC Server

Calling Sequence

item_read=opc_item_read(item_num,flag)

Parameters

• item_num : The num of OPC Group items
• flag : 'i' or 'f', 'i' is integre, 'f' is float

Description

This function is to read OPC items value from OPC group

Examples

item_num=2
item_read_value=opc_item_read(item_num,flag)
 

Author

Zhe Peng(pengzhe1113@gmail.com), Longhua Ma. Zhejiang Univ. China

See Also

opc_connect ,   opc_disconnect ,   opc_add_group ,   opc_add_item ,   opc_item_write ,   opc_server_browse ,   opc_item_browse ,