Page
Page 7-2
7-2
LASAIR
LASAIR II
II Operator’s
Operator’s Manual
Manual
Chapter 7: Operation with a PC, Facility Net, or Pharmaceutical Net
Chapter 7: Operation with a PC, Facility Net, or Pharmaceutical Net
Web Server
Web Server
The LASAIR II provides a Web interface which looks and functions similar to
The LASAIR II provides a Web interface which looks and functions similar to
the front panel screens. The
the front panel screens. The instrument may be controlled or simply monitored
instrument may be controlled or simply monitored
for status or problems using a
for status or problems using a standard W
standard Web browser such as Internet
eb browser such as Internet Explorer
Explorer
or Netscape®. In addition, data on the LASAIR II may
or Netscape®. In addition, data on the LASAIR II may be quickly dumped to a
be quickly dumped to a
PC.
PC.
LASAIR II Serial Interface
LASAIR II Serial Interface
This is an easy-to-use RS-232 protocol which allows users to write their own
This is an easy-to-use RS-232 protocol which allows users to write their own
communications routines for talking with computers. The
communications routines for talking with computers. The protocol is similar to
protocol is similar to
the older LASAIR communications interface, but it has been
the older LASAIR communications interface, but it has been enhanced with
enhanced with
status feedback messages. See
status feedback messages. See Appendix F.
Appendix F.
PMS Multi-Drop Protocol (MiniLaz Emulation)
PMS Multi-Drop Protocol (MiniLaz Emulation)
This is a second RS-232 protocol which ca
This is a second RS-232 protocol which can be enabled on the
n be enabled on the LASAIR II. This
LASAIR II. This
protocol allows communicating in a multi-drop environment (like a telephone
protocol allows communicating in a multi-drop environment (like a telephone
party-line) such as an RS-485 system. This communications mode allows the
party-line) such as an RS-485 system. This communications mode allows the
LASAIR II to emulate a MiniLaz instrument when conne
LASAIR II to emulate a MiniLaz instrument when connected to Facility Net
cted to Facility Net
using a serial interface rather
using a serial interface rather than the network
than the network interface. See Appendix
interface. See Appendix G
G..
4-20 mA Output
4-20 mA Output
With the optional 4-20 mA output board, data can be output in this format. See
With the optional 4-20 mA output board, data can be output in this format. See
Appendix I.
Appendix I.
Configuring LASAIR II Communications
Configuring LASAIR II Communications
All communications are configured using the “Comm Setup”
All communications are configured using the “Comm Setup” screens on the
screens on the
LASAIR II. Figure 6-1 is an overview of the two communications setup
LASAIR II. Figure 6-1 is an overview of the two communications setup
screens. One screen is used for all Ethernet based
screens. One screen is used for all Ethernet based communications, and the
communications, and the
other screen is used for all serial communications. Each screen is discussed
other screen is used for all serial communications. Each screen is discussed
separately below.
separately below.