Security 63
Windows 63
Starting / Stopping the Interface on Windows 65
Starting Interface as a Service 65
Stopping Interface Running as a Service 65
Buffering 67
Configuring Buffering with PI ICU (Windows) 67
Configuring Buffering Manually 70
Example piclient.ini File 71
Restrictions and Other Information 73
Exclusive Control of ICI Device 73
Interface and semAPI Version Compatibility 73
OSM01 Not Recommended 73
semAPI 1.2 Disconnection Problems 73
Timeout in the Middle of the Connect Point Command 73
Adaptec 2940 U SCSI, 50-pin Card with the ICI03 73
Install the semAPI Device Driver as a Service 74
Invalid Security Device Present 74
Appendix A: Error and Informational Messages 77
Message Logs 77
Messages 77
System Errors and PI Errors 77
Revision History 79
The PI Bailey semAPI interface provides bi-directional data transfer between a PI system and a Bailey Infi90 instrument system. The interface runs on Windows-Intel computers.
This interface was developed to take advantage of Bailey’s semAPI library. The semAPI software handles all of the Bailey communications protocol and thereby makes it possible for the PI interface to communicate to Bailey ICI modules via a variety of transport methods (serial, Ethernet, and SCSI).
Note: Currently, interface version 1.3 and greater is compatible with semAPI version 2.0 and greater. Interface version 1.2 is compatible with semAPI version 1.2. For version compatibility and other semAPI issues, see the restriction section at the end of the manual.
The new features introduced in version 1.4.2.0 of the interface consist of Disconnected Startup, Multi-Character Point Source, UniInt Health Tags including SetDeviceStatus and are only supported by the version built for use with semAPI 2.0 and higher (blysem.exe).
Communication using the semAPI software requires that the customer purchase the Bailey semAPI software and computer interface module as well as the PI interface software.
The interface works with the following Bailey computer interface modules:
The INICI03 supports serial and SCSI connection to the host computer. The module supports a maximum of 30,000 points. Each instance of the interface connects to one computer interface module.
Bailey has come out with an ICI12 communications module. This module only supports a serial connection to the host computer and per Bailey; communication is through use of the Bailey semAPI. The PI Bailey semAPI interface should be compatible with this module but we have not yet had a chance to test it.
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