Sierra Monitor Corporation 5391-02 User manual

Sentry LANServer
USERS MANUAL
This manual will help the user set up the Sentry LANServer; browse to the various pages and
provides basic troubleshooting guidelines. If the user is going beyond the standard web pages
provided with the LANServer and needs to design and construct specific pages then please use
the manual “Sentry LANServer Developer’s Manual”.
APPLICABILITY & EFFECTIVITY
This manual provides instructions for the following Sierra Monitor products:
Model Description
5391-01 Sentry LANServer, 1-4 Sentry Controllers
5391-02 Sentry LANServer, 5+ Sentry Controllers
The instructions are effective for the above models as of December 1, 1998
Instruction Manual Part Number: T12017
Rev.A1.

T12017-Sentry_LANServer_Users_M nu l T ble of Contents
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: [phone] F x: [phone] Toll_Free: 888-509-1970 em il: [e-mail]
T ble of Contents
1. PRODUCT DESCRIPTION ......................................................................................... 4
1.1. General .................................................................................................................. 4
1.2. Features................................................................................................................. 4
1.3. Operation ............................................................................................................... 4
1.4. Sentry Firmware Version........................................................................................ 5
1.5. Connections ........................................................................................................... 5
2. QUICK START ........................................................................................................... 8
2.1. LANServer Terminology ......................................................................................... 8
2.2. Quick Start ............................................................................................................. 8
3. BROWSER SECURITY SETTINGS............................................................................ 9
3.1. ActiveX Controls and Security ................................................................................ 9
3.2. Setting Browser Security Settings for ActiveX controls ........................................... 9
3.3. Cookies and Browser Security.............................................................................. 11
3.4. Setting the Browser Privacy Settings for Cookies................................................. 11
4. OTHER BROWSING COMPUTER SETTINGS......................................................... 13
4.1. Synchronizing/Setting LANServer Time................................................................ 13
5. BROWSING AND INTERPRETING SENTRY INFORMATION................................. 14
5.1. General Browsing - Navigating............................................................................. 14
5.2. Interpreting Zone Buttons..................................................................................... 14
5.3. Interpreting Sentry-Sensor Controls ..................................................................... 16
5.4. Interpreting Sentry -Combo Controls .................................................................... 17
5.5. Interpreting Sentry Alarms.................................................................................... 18
5.6. Understanding the Alarm Table Colors................................................................. 19
5.7. Acknowledging Alarms ......................................................................................... 19
5.8. Interpreting Sentry Events.................................................................................... 21
5.8.1. Event Report Types.......................................................................................... 21
5.9. Understanding the Events Page........................................................................... 23
5.9.1. Events Page and the Date / Time..................................................................... 23
5.9.2. What happens if Event ogging is disabled? .................................................... 23
5.9.3. Potential Problems with Event ogging............................................................. 24
5.10. Managing Sentry Events ...................................................................................... 25
5.10.1. Uploading ..................................................................................................... 25
5.10.2. How Event Time Stamps are reported .......................................................... 26
5.10.3. Manual upload.............................................................................................. 26
5.10.4. Potential Problems with an Upload ............................................................... 26
5.11. Interpreting the Sentry Face Plate........................................................................ 27
5.11.1. Troubleshooting the Sentry FacePlate Screen.............................................. 31
5.12. Backing Up the Sentry Calibration Data ............................................................... 32
5.12.1. Calibration Backup Control ........................................................................... 32
5.13. Interpreting Analog, Text and LED controls .......................................................... 34
5.13.1. Analog Controls............................................................................................ 35
5.13.2. Text Controls ................................................................................................ 35
5.13.3. ED Controls ................................................................................................ 36
5.14. Using the LANServer to allow customers to upload files....................................... 37
APPENDIX 1. TROUBLESHOOTING ............................................................................. 38
Appendix 1.1. Objects Report ‘Offline’ ......................................................................... 38
Appendix 1.2. Objects report ‘Not Found’ .................................................................... 38

T12017-Sentry_LANServer_Users_M nu l T ble of Contents
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: [phone] F x: [phone] Toll_Free: 888-509-1970 em il: [e-mail]
Appendix 1.3. Page login.htm not found ...................................................................... 38
Appendix 1.4. User ids and passwords are not available for validation. Try again. ...... 38
Appendix 1.5. Alarm Page doesn’t auto refresh when there is a new alarm................. 38
Appendix 1.6. Buttons Display in White ....................................................................... 39
Appendix 1.7. Cookie Length....................................................................................... 39
Appendix 1.8. Sentry Calibration Backup (SentryBK) produces a warning message on
completion. 40
Appendix 1.9. LANServer Configuration LED .............................................................. 40
APPENDIX 2. LANSERVER ERROR MESSAGES......................................................... 41
APPENDIX 3. WINSOCK ERROR MESSAGES ............................................................. 46
APPENDIX 4. FIELDSERVER ACTIVEX CONTROLS.................................................... 56
Appendix 4.1. Ana1 ..................................................................................................... 56
Appendix 4.2. LED1..................................................................................................... 56
Appendix 4.3. Char1.................................................................................................... 56
Appendix 4.4. Limitations and Supported Environments.............................................. 57
APPENDIX 5. GENERAL ................................................................................................ 58
Appendix 5.1. 9.1 Browser Caching............................................................................. 58

T12017-Sentry_LANServer_Users_M nu l P ge 4 of 59
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: [phone] F x: [phone] Toll_Free: 888-509-1970 em il: [e-mail]
1. Product Description
1.1. Gener l
Sierra Monitor Corporation offers a wide range of choices for data output from Sentry Gas
Monitoring systems. In some cases a simple printer output of gas conditions, calibration
confirmations and alarms is satisfactory to meet due diligence requirements. In large plant-
wide monitoring situations the Modbus serial communications output is used to interface to
existing or new GUI programs that might include information from other safety and process
systems in the plant. For most applications the solution lies between these two choices.
The Sentry LANServer has been developed to combine the power and flexibility of the
Sentry Gas Risk Management System with the interoperability strength of the FieldServer
LANServer from FieldServer Technologies. The reliability of a proven gas detection system
is combined with the modern technology of the web.
1.2. Fe tures
The LANServer provides a cost-effective, easy-to-use graphical display of hazardous gas
conditions using the Microsoft™ Explorer web-browser
• Safety data presented visually on a PC located in the plant or remotely
• Interaction with the hazardous gas detection system through a familiar web browser - no
requirement to learn a new GUI program
• Ability to web-browse to system data using LAN, WAN or over the Internet
• Easy to configure graphical color changes are displayed as events
• All current alarms dynamically displayed and updated on a single web page
• An event log provides easy access to history for due diligence
• Cost-effective system includes ActiveX tools to configure using Microsoft FrontPage.
• The full system available from a single supplier with an outstanding reputation for before
and after sales technical support
1.3. Oper tion
All of the data available from the Sentry Modbus serial communications link interfaces to the
LANServer via an RS-232 link. The LANServer converts the information into a graphical
display package that can be viewed using Microsoft Internet Explorer. Standard introductory
screens enable the user to start operating immediately. Configuration software and the
ActiveX tools supplied enable the user to modify the provided display to individual
specifications using Microsoft FrontPage. Sierra Monitor can provide graphical design and
development service if desired.

T12017-Sentry_LANServer_Users_M nu l P ge 5 of 59
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: [phone] F x: [phone] Toll_Free: 888-509-1970 em il: [e-mail]
The standard LANServer package includes a “home” screen, a gr phic l “zone” screen, a
t bul r “zone” screen, an l rms screen, an event log screen and the Sentry displ y
screen. The Alarms page contains all active alarms and notes whether or not they have
been acknowledged. The Event Log page notes all events (alarms and change of states)
that have occurred over a recent period of time.
1.4. Sentry Firmw re Version
The LANServer is designed to work with Sentry controllers containing Sentry Firmware of
version 6.10bF or newer. If the Sentry controller in question has an older firmware version
please contact Sierra Monitor or a local SMC representative to obtain the necessary
upgrade.
1.5. Connections
The standard Sentry LANServer Model 5391-01 includes the FieldServer Technologies
LANServer plus the necessary cables and connectors to interface the LANServer to the
Sentry controller and to the Ethernet. In a typical application the LANServer will be mounted
in a NEMA 4X enclosure with the Sentry controller (Figure 1.1). If ordered with a Sentry
NEMA 4X package the LANServer will already be installed in the enclosure with the serial
connection from the LANServer to the Sentry controller(s). The LANServer will also be
connected to an RJ45 connection mounted on the outside of the enclosure to which the user
can connect to the LANServer via the web, WAN or Internet.
Fig 1.1: Model 5391-01 LANServer in NEMA 4X Enclosure
In applications where only one Sentry controller is involved (1 to 8 sensors) the LANServer
will connect to the Sentry controller via RS-232 and to the PC with the LAN browser via a
crossover Cat5 cable (or via a hub with a standard cat5 cable). (Figure 1.2)

T12017-Sentry_LANServer_Users_M nu l P ge 6 of 59
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: [phone] F x: [phone] Toll_Free: 888-509-1970 em il: [e-mail]
Fig 1.2: Model 5391-01 LANServer ith single Sentry Controller
For applications requiring the use of 2 to 4 Sentry controllers it is necessary to utilize RS-
485 communication from the controllers to the LANServer. Each Sentry will have a 4301-10
RS-232/RS-485 converter to provide the necessary RS-485 communication from the Sentry.
This RS-485 link will interface to the RS-485 port on the LANServer. The Ethernet output
from the LANServer can then interface directly to a computer (via a crossover cable) or to
the LAN, WAN, Internet or PC via a hub. (Figure 1.3)
Fig. 1.3: Model 5391-01 LANServer ith 2-4 Sentry Controllers

T12017-Sentry_LANServer_Users_M nu l P ge 7 of 59
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: [phone] F x: [phone] Toll_Free: 888-509-1970 em il: [e-mail]
In applications calling for greater than 4 Sentry controllers it will be necessary to use the
Model 5391-02 LANServer which consist of the larger multiport LANServer from FieldServer
Technologies. In such applications multiple Sentry controllers can interface to the
LANServer via either RS-232 or RS-485 interface and the LANServer will interface to the
PC, LAN, WAN or Internet via the Ethernet port. (Figure 1.4)
Fig 1.4: Model 5391-02 LANServer ith greater than 4 Sentry Controllers

T12017-Sentry_LANServer_Users_M nu l P ge 8 of 59
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: [phone] F x: [phone] Toll_Free: 888-509-1970 em il: [e-mail]
2. Quick St rt
2.1. LANServer Terminology
Browsing PC The PC being used to view the web pages.
LANServer A LANServer is a program that, using the World Wide Web's Hypertext
Transfer Protocol (HTTP), serves the files that form Web pages to
browsing PC. As an example, every computer on the Internet that
contains a Web site must have a Web server program.
Web Browser The software application used to connect to and view pages on the
Internet. The Sentry LANServer is designed to be view on Internet
Explorer. If using another Web Browser check with Sierra Monitor for
compatibility.
2.2. Quick St rt
Step 1: Find the IP address of the Sentry LANServer
This should be provided. Otherwise use the utility “RUIPING” on the Utility CD -ROM
to locate and identify the IP address of the LANServer in question.
Step 2: Start the browser
Step 3: Browse to the Sentry LANServer
The Sentry LANServer “home” page will appear
Step 4: Continue Browsing.
Use the buttons and links included on the Web Pages as well as the ‘back’ button to
navigate from page to page.
Specify the IP address in the
address field on your web
browser then push the Enter key.

T12017-Sentry_LANServer_Users_M nu l P ge 9 of 59
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: [phone] F x: [phone] Toll_Free: 888-509-1970 em il: [e-mail]
3. Browser Security Settings
Security Settings must be set to enable the use of ActiveX controls and Cookies. Unless
specifically informed which settings to adjust ssume th t both groups of settings must be
configured correctly.
3.1. ActiveX Controls nd Security
ActiveX controls can have access to the resources of the computer on which they are
running. For this reason they may be considered a security risk. The ActiveX controls
provided by Sierra Monitor only use the network connection resource of the computer. They
never access the disk or file storage system or any personal or private information on the
computer and they never send Sierra Monitor any information other than that documented
for each control. Neither Sierra Monitor nor anyone else can use these ActiveX controls (as
distributed) to compromise the system security
As there is a theoretical security risk, most browser’s have default security settings which do
not allow ActiveX controls to be run on a computer. The following information outlines how
to change the default security settings to allow the ActiveX controls to run on the computer.
Note that some controls provided by Sierra Monitor may access the computer’s resources in
a way that conflicts with these statements. In this case the “Constructing a Sentry
LANServer Project” manual will specify which other resources the ActiveX control uses.
3.2. Setting Browser Security Settings for ActiveX controls
The following notes and examples apply to Internet Explorer 6. Other browsers have similar
features and which are set in a similar way. Use the documentation of the browser to
determine how to adjust the settings.
Step 1 From the browser’s pull down menu, select Tools|Internet Options.
Select the Security
Tab

T12017-Sentry_LANServer_Users_M nu l P ge 10 of 59
FieldServer Technologies 1991 Tarob Court Milpitas, California 95035 USA Web:www.fieldserver.com
Tel: [phone] F x: [phone] Toll_Free: 888-509-1970 em il: [e-mail]
Step 2 Customize the settings.
Step 3 - Change the following settings
• Download signed ActiveX Controls: Enable or Prompt
• Download unsigned ActiveX Controls: Enable or Prompt
• Initialize and Script ActiveX Controls not marked as safe: Enable or Prompt
• Run Active X Controls and plug-ins: Enable or Prompt
• Initialize and Script ActiveX Controls marked as safe: Enable or Prompt
Step 4 Review
If in doubt about the meaning or effect of any of the settings then Sierra Monitor
recommends that the user consult their system administrator before changing settings.
Click on the
Custom
evel
button