This is an API documentation for INACS7

ConnectionString

This property includes the full specification of the connection to the PLC and the internal behavior of INACS7. Connection parameter for the PLC connection are separated by ';'.

Parameter	DefaultValue		Description
Data Source			[IP]:[PORT],[RACK],[SLOT]
Connection	Type = Pg		Type of the PLC connection (used by PLC). (Pg, Op, Basic)
Receive Timeout	5000		Maximum of time a receive could last.
Connect Timeout	5000		Maximum of time a connect could last.
Reconnect	false		If connection get's lost try reconnect.
KeepAliveTime	0u		https://technet.microsoft.com/en-us/library/cc957549.aspx
KeepAliveInterval	0u		https://technet.microsoft.com/en-us/library/cc957548.aspx
PduSize	960		Maximum size we could handle in one datagram (will be updated while connect handshake)
Sleeptime After Max Pending Calls Reached	5		As the name says, in ms.
Maximum Parallel Jobs	1		Used by Simatic Manager -> best performance with 1
Maximum Parallel Calls	4		Used by InacS7 to controll the parallelity
Use Threads	true		Used by InacS7 and means TaskCreationOptions.LongRunning if is set to true

"Data Source = 127.0.0.1:102,0,2; Receive Timeout = 5000;Reconnect=true"