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350 Cable Survey System
DPN 402197 © TSS (International) Ltd Page 2 of 14
Figure 10–1: 490234 Sub-sea Electronics Pod - Overall diagram
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Title
Size Document Number Rev
Date: Sheet
of
490234A1 A
350 TYPE 2 CABLE SURVEY SYSTEM (440 COMPATIBLE) - SUBSEA POD
(C) VT TSS Ltd. 2003
New M ill
New Mill Lane
Witney
Oxfordshire 0X29 9SN
11Thursday, December 18, 2003
Title
Size Document Number Rev
Date: Sheet
of
490234A1 A
350 TYPE 2 CABLE SURVEY SYSTEM (440 COMPATIBLE) - SUBSEA POD
(C) VT TSS Ltd. 2003
New M ill
New Mill Lane
Witney
Oxfordshire 0X29 9SN
11Thursday, December 18, 2003
Title
Size Document Number Rev
Date: Sheet
of
490234A1 A
350 TYPE 2 CABLE SURVEY SYSTEM (440 COMPATIBLE) - SUBSEA POD
(C) VT TSS Ltd. 2003
New M ill
New Mill Lane
Witney
Oxfordshire 0X29 9SN
11Thursday, December 18, 2003
Processor Pod
EXTERNAL
ROLL-PITCH
SENSOR
(TSS 332)
EXTERNAL
ALTIMETER
COMMS &
POWER FROM
SURFACE
PL5
PL1
PL1PL2
PL3
PL4
PL3
FAN
RED BLACK
Port coil assembly
GND
GND
/SDATA1
/LEFT1
/SCLK1
/FSNC1
/SDATA2
/LEFT2
/SCLK2
/FSNC2
/SDATA3
/LEFT3
/SCLK3
/FSNC3
GND
G0
G1
DPD
APD
CMODE
GND
TCLK0
GND
GND
+5V
+5V
+15v
+15V
AGND
AGND
-15V
-15V
GND
GND
End Cap Assembly 'A'
400020
POD EARTH
PL2
AUX OUTPUT
EARTH SCREW NO.1
EARTH SCREW NO.3
PCB EARTH
CHASSIS EARTH
G0
G1
+12V
-12V
AGND
PX+
PX-
Stbd coil assembly
SJ
BY
REVISION HISTORY
A
CHKDATE
JP
PCB
ISS
5
NOs
10 JAN 03
ECR ED
First
issue
CCT
BYREV
A3
ITxD3
IRxD3
+24V
PGND
PGND
ICOM2
ITxD2
IRxD2
+24V
PGND
+24VICOM3
ICOM3
ITxD3
IRxD3
ITxD2
PGND
IRxD2
+24V
ICOM2
NEUTRAL
LIVE
Tx (RS232)
Rx (RS232)
ICOM2
LIVE
COMMS4
+24V
PCOM
+5V
GND
+15V
AGND
-15V
AGND
+15V
-15V
+5V
PCOM
GND
+24V
+5V
GND
G0
G1
PX+
PX-
PY+
PY-
PZ+
PZ-
+12V
AGND
SX-
SY+
SY-
SX+
-12v
SZ-
+12V
AGND
SZ+
G0
G1
-12v
END CAP EARTH
EARTH SCREW NO.2
3 AXIS COIL CABLE
3 AXIS COIL CABLE
Pream.&.Coil
-12V
AGND
Preamp & Coil
G0
+12V
G1
PY+
PY-
-12V
AGND
Preamp & Coil
G0
+12V
G1
PZ+
PZ-
-12V
AGND
Preamp & Coil
G0
+12V
G1
SX+
SX-
-12V
AGND
Preamp & Coil
G0
+12V
G1
SY+
SY-
-12V
AGND
Preamp & Coil
G0
+12V
G1
SZ+
SZ-
ADC BOARD Processor Board
PSU
COMMS3
COMMS4
COMMS1
COMMS2
COMMS1
COMMS2
COMMS3
NEUTRAL
LIVE
NEUTRAL
EARTH
SURFACE
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
QMQM
401104
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
IDCIDC
401103
401105
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
MOLEXMOLEX
1
2
3
4
5
6
QMQM
1
2
3
4
5
6
7
1
2
3
4
5
6
7
401105
1
2
3
4
5
6
7
601001
601001
1
SPADESPADE
308012
1
2
3
4
5
6
7
1
2
3
4
5
MOLEXMOLEX
401105
1
SPADESPADE
1
SPADESPADE
1
2
3
4
5
6
7
8
9
10
11
MOLEXMOLEX
1
2
3
4
5
6
QMQM
1
2
3
4
5
6
7
8
9
10
11
12
QMQM
1
2
3
4
5
6
7
8
IE55V
2008
IE55V
2008
1
2
3
4
MOLEXMOLEX
1
2
3
4
5
6
7
8
9
QMQM
1
2
3
4
5
6
MOLEXMOLEX
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
MOLEXMOLEX
1
2
3
4
5
6
IE55V
2006
IE55V
2006
1
2
3
4
5
6
7
8
IE55
2008
IE55
2008
1
2
3
4
5
6
MOLEXMOLEX
1
2
3
4
5
6
7
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
401105
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
IE55V
2006
IE55V
2006
1
2
3
4
5
6
QMQM
401105
1
2
3
4
5
6
QMQM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
IDCIDC
1
2
3
4
5
6
7
8
9
10
11
12
1
2
5
6
7
8
9
3
4
10
11
12
QMQM
1
2
3
4
5
6
7
401105
1
2
3
4
5
6
7
8
MOLEXMOLEX
1
2
3
4
5
6
7
8
9
10
11
12
1
SPADESPADE
- Cable Survey System 1
- System Manual 1
- GLOSSARY 13
- AMENDMENTS 14
- 1 INTRODUCTION 16
- 1.1 SYSTEM DESCRIPTION 20
- 1.2 PRINCIPLE OF OPERATION 21
- 1.3 QUICK START FOR SDC USERS 22
- 1.4 WARRANTY 22
- 2 SYSTEM OVERVIEW 24
- 2.1 SCOPE OF DELIVERY 25
- 2.2 UNPACKING AND INSPECTION 27
- 2.3 SURFACE COMPONENTS 28
- Figure 2–3: SDC Display 29
- Figure 2–4: SDC PC Console 29
- 2.4 SUB-SEA COMPONENTS 32
- 2.4.1 Sub-sea Electronics Pod 32
- ❐ Power/comms 33
- ❐ Altimeter 33
- ❐ Aux Output 33
- ❐ Sensor 33
- 2.4.2 Sensing Coils 34
- 2.4.3 Altimeter 36
- ❐ Tracked ROVs or crawlers 37
- ❐ Trenching ploughs 37
- ❐ Towed sleds 37
- 3 PHYSICAL INSTALLATION 38
- 3.1 SDC INSTALLATION 39
- 3.2 SUB-SEA INSTALLATION 40
- 3.2.1 SEP 40
- 3.2.2 Sensing Coils 42
- 3.2.2.1 Assembling the Coils 43
- 3.2.2.2 Mounting the Coils 46
- 3.2.3 Altimeter Installation 48
- 3.3 INSTALLATION CHECK LIST 50
- 4 ELECTRICAL INSTALLATION 52
- 4.1 SUB-SEA COMPONENTS 53
- 4.1.1 Ground Connections 54
- 4.1.3 Sub-sea Electronics Pod 55
- 4.1.3.1 Power Requirement 56
- 4.1.4 Sensing Coils 58
- 4.1.5 Sub-sea Altimeter 59
- 4.1.5.2 Connection to the SDC 60
- 4.1.6 Roll/Pitch Sensor 61
- 4.2 SURFACE DISPLAY COMPUTER 62
- 4.2.1 Power Connection 62
- 4.2.4 Interface to Video 68
- 5 SYSTEM CONFIGURATION 70
- 5.1 SOFTWARE INSTALLATION 71
- 5.2 POWER-ON PROCEDURE 72
- 5.3.1 SEP type 74
- 5.3.2 Communication ports 75
- 5.4 PRINT CONFIGURATION 77
- 5 – System Configuration 78
- 6 OPERATION SOFTWARE 80
- ONFIGURATION 81
- 6 – Operation software 84
- 6.2.1.2 Run/ Display screen 87
- the centre line. Measure 89
- ❐ Communication status 90
- ❐ System time 90
- ❐ System errors 90
- 6.2.1.3 Forward Search Screen 91
- 6.2.1.4 Other Windows 93
- ❐Yellow indicates an event 95
- 6.2.1.5 Configuration Options 97
- 6.2.2 Survey Parameters 97
- 6.2.2.1 Altimeter 99
- 6.2.2.2 External Data Logging 101
- 6.2.2.3 Load Factory Defaults 102
- 6.2.2.4 Video Overlay Setup 102
- 350 Cable Survey System 105
- 6.3 AFTER THE DIVE 107
- 6.4 REPLAYING A LOG FILE 108
- 6.5 QUALITY CONTROL 110
- 7 OPERATING PROCEDURE 112
- 7.1 BEFORE THE SURVEY 113
- 7.1.2 Tone Frequency 114
- 7.1.3 Survey Requirements 114
- 7.2 DURING THE SURVEY 115
- 7.2.2 Data Logging 117
- 7.2.3 Replay Logged Data 118
- 7.3 DATA FORMATS 119
- 7.3.1 External Logging Format 119
- 7.3.1.2 Forward Search mode 121
- ❐The target is out of range 122
- 7.3.2 Internal Logging Format 123
- 7.3.3 Altimeter Data Format 125
- 7.3.3.3 Simrad UK90 127
- 7.4 AFTER THE SURVEY 130
- 7.5.1 Operating Performance 131
- 7.5.2 Sources of Error 132
- 7.5.2.1 ROV Handling 132
- Figure 7–3: ROV roll errors 134
- Figure 7–4: Sloping target 136
- ❐ Changes of ROV heading 137
- ❐ Acoustic noise 137
- Figure 7–5: Curved target 139
- 7.6 ROVS 140
- 7.6.1 Speed of Operation 140
- 7.6.3 Tracked ROV 140
- 8 SYSTEM SPECIFICATIONS 142
- 8.1 SPECIFICATIONS 143
- 8 – System Specifications 144
- 8.1.2 Sub-sea Electronics Pod 145
- 8.1.3 Search Coil Array 145
- 8.2 PERFORMANCE 146
- 8.3 SYSTEM TRIALS 147
- 8.3.2 Results 149
- 8.3.2.1 Accuracy 149
- 8.4 UPDATE RATE 150
- 9 MAINTENANCE 152
- 9.1 CIRCUIT DESCRIPTION 153
- 9.1.1 Sensing Coils 154
- 9.1.2 Sub-sea Electronics Pod 155
- 9.1.2.2 Processor Board 156
- 9.1.2.3 Power Supply 158
- 9.1.3 Current Loop 158
- Page 8 of 26 159
- 9.2.2 Sub-sea Electronics Pod 160
- ❐ A 2.5mm hexagonal key 161
- Processor Board 162
- ADC Board 163
- 9.2.3 Coil Cable Continuity 166
- 9.3 FAULT IDENTIFICATION 167
- 9 – Maintenance 168
- 9.3.2 Communications Failure 169
- Page 20 of 26 171
- 9.3.4 Altimeter Failure 173
- Page 24 of 26 175
- Page 26 of 26 177
- 10 SYSTEM DRAWINGS 178
- 10 – System Drawings 180
- A OPERATING THEORY 192
- A.1 ELECTROMAGNETIC FIELDS 193
- A.2 FIELD DETECTION 193
- A.3 SIGNAL ISOLATION 194
- A.4 CALCULATION 195
- A.4.1 Survey Mode 196
- A.4.2 Forward Search Mode 198
- A.4.3 Skew Measurement 199
- B OPTIONS 202
- B.1 DUALTRACK SYSTEM 203
- B.1.1 The Equipment 203
- B.1.2 The Differences 204
- B.1.3 Scope of Delivery 205
- B.1.4 Physical Installation 207
- B.1.4.1 Search-coils 207
- B.1.4.2 Sub-sea Pods 207
- B.1.5 Electrical Connection 208
- B.1.5.1 System Configuration 210
- B.1.5.2 System Operation 211
- B.2 TRAINING 212
- C CABLES AND TONES 214
- C.1 TONE INJECTION 215
- C.1.1 Frequency Selection 215
- C.1.2 Connection to the cable 215
- C.1.2.1 Short cables 215
- C.1.2.2 Long cables 216
- C.1.2.3 Fibre-optic Cables 216
- C.1.3 Seawater Return Path 217
- D ALTIMETER 218
- D.2 INSTALLATION 219
- D.2.1 Electrical Connection 219
- D.2.2 Serial Output 219
- D.2.3 Mounting 220
- D.2.4 Maintenance 221
- D.2.5 Test in Air 221
- D.2.6 Internal Settings 221
- D.3 THEORY OF OPERATION 222
- D.3.1 Operating Principles 222
- D.3.1.1 Speed of Sound 223
- D.3.1.2 Terminology 223
- D.3.1.3 Propagation Loss 224
- D.3.1.4 Limitations 224
- D.3.2 Technical Description 225
- D.3.2.1 Power Supply 225
- D.3.2.2 Transmitter 226
- D.3.2.3 Receiver 226
- D.3.2.4 Sensor Circuitry 227
- D.3.2.5 Digital Circuitry 227
- D.3.2.6 Averaging Algorithm 228
- D.3.2.7 Optional Modem 228
- D.4 PART NUMBERS 228
- D.5 DRAWINGS 229
- D – ALTIMETER 230
- E COIL TESTER 236
- E.1 PRE-OPERATION 238
- E.2 OPERATION 240
- E.2.1 Frequency Selection 242
- E.3 FAULT IDENTIFICATION 243
- E.4 BATTERY REPLACEMENT 243
- E.5 MAINTENANCE 244
- E.6 SPECIFICATION 244
- F REFERENCE 246
- F.1 SURVEY DETAILS 248
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