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- SN388
- Installation Manual
Sercel SN388 Installation Manual - page 20
INTRODUCTION
FIELD ELECTRONICS
0311267
Issue : April 1998
1-14
1.4.9 TEST AND MAINTENANCE SYSTEM
The TEST AND MAINTENANCE SYSTEM (TMS 388) is designed for testing or
troubleshooting all types of SN 388 field units.
The TMS 388 is composed of a PC micro computer, a test unit (TMU), a cable unit
(TCU) used to simulate line cables, and a test signal generator (TGU).
TGU
Unit under test
PC
TCU
TMU TMS 388
J1
J2
J3
J4
6
1
LINE 1
LINE 2
INPUT/
BATT
XDEV
Summary of SN388
Page 1
Sn388 installation manual documentation no. 0311267 issue : june 1999 software version 8.4.
Page 2
In no event shall sercel be liable for incidental or consequential damages or related expenses resulting from the use of this product, or arising out of or related to this manual or the information contained in it, even if sercel has been advised, or knew or should have known of the possibility of s...
Page 3: 9. Table of Contents
Table of contents 0311267 issue : may 1999 i 9. Table of contents 9.1 table of contents 1. Introduction ........................................................................................................... 1-1 1.1 o verview .........................................................................
Page 4
Table of contents 0311267 issue : may 1999 ii 5. Maintenance ............................................................................................................. 5-1 5.1 changing the hardware configuration..................................................... 5-1 5.2 adjusting the tcxo oscil...
Page 5
0311390 software licence agreement sercel is willing to license the accompanying software package to you only upon the condition that you accept all the terms contained in this licence agreement. Read carefully the following terms and conditions before opening the software media package. By opening ...
Page 6
0311390 iii. Warranty software warranty period is ninety (90) days from the date of installation. Licensor warrants that software was developed with reasonable diligence and skill and that it substantially conforms to published documentation. Licensor's sole responsibility under this warranty shall ...
Page 7: 1. Introduction
Introduction overview 0311267 issue : april 1998 1-1 1. Introduction 1.1 overview this manual contains installation information, a few instructions for the operator to get started, and reference information that will help you select an sn 388 configuration tailored to your needs. General reference i...
Page 8
Introduction central control unit (ccu) 0311267 issue : april 1998 1-2 2400 ch module printer x terminal work station plotter tape or cartridge drive hci central control unit block diagram 2400 ch module 1 to 16 2400 ch module 1.3 central control unit (ccu) the sn 388 central control unit hardware, ...
Page 9
Introduction central control unit (ccu) 0311267 issue : april 1998 1-3 expandable and powerful ethernet data network is used to connect the hci to the various modules. The raw or processed data are recorded on magnetic media, either a reel or a cartridge drive. Digital filtering may be performed on ...
Page 10: (Apm/pam)
Introduction central control unit (ccu) 0311267 issue : april 1998 1-4 - service vehicle tracking function. If equipped with mru units, service vehicles appear on the survey map. They can send an alarm code to the base station and receive messages (e.G. A waypoint) from it. The trackline and identif...
Page 11
Introduction central control unit (ccu) 0311267 issue : april 1998 1-5 apm functions also include : - noise editing (zeroing/clipping/diversity stack) - correlation and stacking. The following boards are used in both the apm and pam : lio : line input/output interface lcp : line controller processor...
Page 12
Introduction central control unit (ccu) 0311267 issue : april 1998 1-6.
Page 13
Introduction central control unit (ccu) 0311267 issue : april 1998 1-7.
Page 14: 1.3.4 Peripheral Equipment
Introduction central control unit (ccu) 0311267 issue : april 1998 1-8 • minimum weight and volume. For portable dynamite operations, the pam houses all necessary electronics to acquire 1200 channels at 2-ms sample rate, within a 22-kg unit (0.088 m3). The apm which, in addition to acquisition itsel...
Page 15: 1.4 Field Electronics
Introduction field electronics 0311267 issue : april 1998 1-9 1.4 field electronics the sn 388 field electronic equipment consists of units which are interconnected by electric cables. All field units are packaged into a totally waterproof aluminium casting. They have been designed to fully operate ...
Page 16
Introduction field electronics 0311267 issue : april 1998 1-10 1.4.1 24-bit station unit (su) sn 388 advanced technology reduces the complete seismic channel with its 24-bit stream a/d converter to a plug-in module the size of a matchbox. The technology allowed the design of an ultra-compact su whic...
Page 17: 1.4.2 Crossing Station Unit
Introduction field electronics 0311267 issue : april 1998 1-11 1.4.2 crossing station unit a crossing station unit (csu) is required to connect each line to the previous line or to the ccu module. A low-attenuation cable is used for this transverse connection, providing a digital link over a maximum...
Page 18: 1.4.4 Bu-6 (Bay-Cable Unit)
Introduction field electronics 0311267 issue : april 1998 1-12 1.4.4 bu-6 (bay-cable unit) to extend the versatility of the sn 388 telemetry system, a bay-cable acquisition unit (bu-6) is available for transition zones and shallow water operations. The bu-6 package which houses 6 seismic channels in...
Page 19: 1.4.7 Line Tester
Introduction field electronics 0311267 issue : april 1998 1-13 1.4.7 line tester for large 3-d operations, in order to check the lines deployed ahead of the spread, a line tester (lt 388) makes is possible to perform transmission and receiver tests on a complete connected line, without ccu being nee...
Page 20
Introduction field electronics 0311267 issue : april 1998 1-14 1.4.9 test and maintenance system the test and maintenance system (tms 388) is designed for testing or troubleshooting all types of sn 388 field units. The tms 388 is composed of a pc micro computer, a test unit (tmu), a cable unit (tcu)...