7.3.2. fhconnect Function Connect to the Vision Sensor Syntax fhconnect($ip_address, $port_no, retries_connect, timeout_connect, socket_no, err_no) Parameters Remarks Connect to the Vision Sensor specified in the IP address and port number parameters. Request a connection as many times as specified in the connection retry count parameter. Requests a connection every hour specified in the Connection Timeout Time parameter. Return an error if the connection fails.
Return an error if the parameter is out of the input range Return Value 40 Parameter Name Input/Output Data type Description $ip address _ Input String IP address of the Vision Sensor $port no _ Input String Port number of the Vision Sensor retries connect _ Input Real Number of connections retries (0 - 99) timeout connect _ Input Real Connection Timeout Time (0 to 99sec) socket no _ Output Real Number of sockets already connected to the Vision Sensor err no _ Output Real Error number Store the result of the execution of this function. Err. No.
Error Message Description 0 - normal termination -1200 ERROR:fhconnect():RETRY:-1200 Out of connection retry count input range ERROR:fhconnect():TIMEOUT:-1200 Connection Timeout Time Input Range -1201 ERROR:fhconnect():ATTACH:-1201 attaching error * This error occurs when the network configuration for the device of the specified IP address fails. -1202 ERROR:fhconnect():RETRY:-1202 Connection retry count over -1204 ERROR:fhconnect():TIMEOUT:-1204 Connection timeout time is over.