Group: Schlumberger
Catalog excerpts
Scanner 1141 RTU Hardware User Manual
Open the catalog to page 1NuFlo is a trademark of Cameron International Corporation (“Cameron”). Barton, Scanner, ScanWin, and MVX are trademarks or registered trademarks of Cameron. Modbus is a registered trademark of the Modbus Organization, Inc. Windows is a registered trademark of Microsoft Corporation in the U.S.A. and other countries. Acrobat Reader is a registered trademark of Adobe Systems Incorporated. © 2007 Cameron International Corporation (“Cameron”). All information contained in this publication is confidential and proprietary property of Cameron. Any reproduction or use of these instructions,...
Open the catalog to page 2Warranty The Company warrants all products of its manufacture and bearing its nameplate for a period of one year after date of shipment from its factory to be free from defects in material and workmanship subject to the following: The Company’s liability under this warranty is limited, in the sole and absolute discretion of the Company, to refunding the purchase price, to repairing, or to replacing parts shown to the satisfaction of the Company to have been defective when shipped and then only if such defective parts are promptly delivered to its factory, transportation charges prepaid....
Open the catalog to page 3Scanner 1141 Hardware User Manual whether or not they are based upon expressed or implied warranty, contract, negligence, or strict liability arising in connection with the design, manufacture, sale, use, or repair of the products, if they are used outside the constraints of recommended usage as set forth herein. Any use or application that deviates from the stated performance specification is not recommended and could render the instrument unsafe. The Company should be advised of any apparent deviation or deficiency from specifications including safety-related deficiencies. A return...
Open the catalog to page 4Chapter 1: Overview and Specifications Overview of the Scanner® 1141 The Scanner® 1141 is an economical, single-stream or dual-stream measurement Remote Terminal Unit (RTU) with flow and pressure control capability. It offers a powerful alternative to chart recorders in gathering data for natural gas production and includes a full range of operator-selectable mass, energy, and volume algorithms. The Scanner 1141 is Class I, Div. 2 certified by CSA (US and Canada) for use in hazardous areas. A serial MVT (multi-variable transducer) mounts directly to the Scanner 1141 to provide accurate,...
Open the catalog to page 9Scanner 1141 Hardware User Manual The following features in the Scanner 1141 provide convenient and flexible operation: Configurable Memory - A full set of menu-selectable calculation options are stored in Flash memory in each Scanner 1141. As new industry standards are adopted, new programs are easily loaded from a PC with WinsLoad or ScanFLASH Utility software (See Appendix E: Flashing the Scanner, page 113). Security - Five security levels and selectable display options provide easy access to core functions while maintaining full protection of configuration and flow history. Power...
Open the catalog to page 10Chapter 1: Overview and Specifications Standard Display The standard display on the Scanner 1141 is a large 2-line × 16-character liquid crystal display (LCD) with optional backlighting. To save power, the display can be configured to shut off automatically after a user-specified time period (usually about 30 seconds). For the backlight option, an LCD PwrSav jumper can be configured to turn off both the display and the backlight (jumper is in the ON position), or to turn off only the backlight (jumper is in the OFF position) when the Display Timeout is reached. The Scanner 1141 is equipped...
Open the catalog to page 11Scanner 1141 Hardware User Manual Figure 1.1—Display “wake-up” button Auto-scroll The display “auto-scrolls” through a list of user-definable readouts. Each item is held on the display for a configurable amount of time and is then replaced by the next item in the list. An operator can pause the auto-scroll on any displayed item by pressing the “wake-up” button. The following is a sample of an auto-scroll screen: Run 1 Pf On 492.00000 PSI While in auto-scroll, the following unit status screen is displayed each time the Scanner completes a loop through the list: Time= 09:00 ML Date= Ja
Open the catalog to page 12Chapter 1: Overview and Specifications The display will shut off automatically after a configurable amount of time (usually about 30 seconds). To “wake-up” the display, press the “wake-up” button. Scanner Software ScanWin Lite is a Windows™-based software program for monitoring, configuring and downloading Scanner Measurement RTU data on-site. ScanWin Lite’s “wizards” guide the operator through the setup of hardware, flow runs, and primary devices as well as the collection of hardware, system, and flow run data. Reports can be exported and printed from ScanWin. ScanWin Lite also facilitates...
Open the catalog to page 13Scanner 1141 Hardware User Manual • GERG Virial Equation for Field Use Standard GERG Virial Equation NFlo NFLo performs the same calculations as NGas, plus liquid properties calculations based on the API Manual of Petroleum Measurement Standards (MPMS) chapters 11.2.1, 11.2.2, 11.2.3 and API 2540. Audit Trail The Scanner 1141 maintains a detailed audit history of all configuration records, user changes and system alarms. It also maintains a history of events including hourly and daily flow history. The Event log operates as a circular buffer that contains 100 typical events. Each new event...
Open the catalog to page 14Chapter 3: Main Circuit Board Wiring CAUTION ALWAYS TURN OFF POWER TO THE SCANNER 1141 BEFORE REMOVING ANY ELECTRONIC CIRCUIT BOARDS. FAILURE TO DO SO CAN DAMAGE THE SCANNER. CIRCUIT BOARDS ARE SUBJECT TO DAMAGE IF EXPOSED TO STATIC ELECTRICITY. CAUTION CIRCUIT BOARDS MUST BE HANDLED AND INSTALLED IN AN ENVIRONMENT FREE OF STATIC ELECTRICITY AND THE OPERATOR MUST BE GROUNDED. WHEN REMOVING CIRCUIT BOARDS FROM THE SCANNER 1141, ALWAYS PLACE THEM IN PROTECTIVE CONDUCTIVE ENVELOPES. NEVER SUBJECT THE RTU TO AMBIENT OR OPERATING TEMPERATURES BEYOND -40°C to +60°C (-40°F to +140°F). FOR...
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