Page Page 7-6 7-6 LASAIR LASAIR II II Operator’s Operator’s ManualManual
Chapter 7: Operation with a PC, Facility Net, or Pharmaceutical NetChapter 7: Operation with a PC, Facility Net, or Pharmaceutical Net
PMS Multi-DropPMS Multi-Drop This communications protocol is designed to be uThis communications protocol is designed to be used in ased in a
party-line environment such as an RS-485 system. Each instrument must haveparty-line environment such as an RS-485 system. Each instrument must have
a unique address. a unique address. See the “PMS See the “PMS Addr.” setting belowAddr.” setting below. This protocol a. This protocol alsolso
provides MiniLaz provides MiniLaz emulation when communicating emulation when communicating with a with a serial port serial port to Facilityto Facility
Net. Net. Details Details of of using using this this mode for mode for MiniLaz MiniLaz emulation emulation are are explained later explained later in in thisthis
chapter. Details of the protocol are found chapter. Details of the protocol are found in Appendix F, "PMS Multi-Dropin Appendix F, "PMS Multi-Drop
Protocol (MiniLaz Emulation)".Protocol (MiniLaz Emulation)".
TouchRam ReadTouchRam Read This setting configures the This setting configures the serial port to use serial port to use TTouchRamouchRam
memory buttons. These buttons can be memory buttons. These buttons can be used to store location and samplingused to store location and sampling
parameters parameters for tfor the LASAIR he LASAIR II. II. For additional For additional details, details, see “Comm see “Comm Setup - Setup - SerialSerial
Screen” on pageScreen” on page 5-23 and 5-23 and Appendix M, "TAppendix M, "TouchRam".ouchRam".
TouchRam Read/WriteTouchRam Read/Write This is a second setting for communicating withThis is a second setting for communicating with
TouchRam memory buttons. In this setting the buttons can be programed asTouchRam memory buttons. In this setting the buttons can be programed as
well as read. For additional details, see “Comm Swell as read. For additional details, see “Comm Setup - Serial Screen” onetup - Serial Screen” on
pagepage 5-23 and Appendix M, "TouchRam".5-23 and Appendix M, "TouchRam".
Other Settings —Other Settings —
SIO BaudSIO Baud This sets the baud rate for all RS-232 This sets the baud rate for all RS-232 protocols except for theprotocols except for the
TTouchRam modes (which ignore the ouchRam modes (which ignore the setting). The baud can be setting). The baud can be adjusted fromadjusted from
1200 to 38400.1200 to 38400.
PMS AddrPMS Addr
This is the multi-drop address used when the This is the multi-drop address used when the instrument is in PMSinstrument is in PMS
Multi-Drop mode. The address can be set in Multi-Drop mode. The address can be set in the range of 0–99. The the range of 0–99. The setting hassetting has
no effect in any other communication mode. The address must be unique ifno effect in any other communication mode. The address must be unique if
multiple instruments are configured on an RS-485 system.multiple instruments are configured on an RS-485 system.
The following communication parameters are fixed, and cannot be adjusted:The following communication parameters are fixed, and cannot be adjusted:
•• Parity: noneParity: none
•• Stop bits: 1Stop bits: 1
••
Data bits: 8Data bits: 8
Flow Control: depends on protocol. “LASAIR II” mode Flow Control: depends on protocol. “LASAIR II” mode uses software flowuses software flow
control (CTRL-Q/CTRL-S). “PMS Multi-Drop” mode does not have flowcontrol (CTRL-Q/CTRL-S). “PMS Multi-Drop” mode does not have flow
control.control.
NOTE:NOTE: The instructions in this chapter aThe instructions in this chapter assume that you are familiar with usingssume that you are familiar with using
either Microsoft Internet Explorer or Netscape Communicator browsereither Microsoft Internet Explorer or Netscape Communicator browser
software.software.
For the remainder of this chapter, “Facility Net” will also refer toFor the remainder of this chapter, “Facility Net” will also refer to
Pharmaceutical Net.Pharmaceutical Net.
For more information, see Appendix B, "ConneFor more information, see Appendix B, "Connecting to a Computer orcting to a Computer or
Network".Network".
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