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350 Cable Survey System
DPN 402197 © TSS (International) Ltd Page 6 of 14
Figure 10–5: 401104-3 Analogue to Digital conversion – ADC 2
D5V
AGND
+5V2
+5V
DGND
GND
IAPD
IDPD
AGND
ICM
D5V
ISD2
ILR2
ISK2
IFS2
ICLKD
DGND
DGND +5V
AGND
-5V2
GND
+15V
AGND AGND
-15V
PZ+
PZ-
PX+
PX-
SD2
LR2
SK2
FS2
ICLKD
IDPD
IAPD
D5V
ICM
+15V V+
+15V
-15V V-
DGND
-15V
AGND
AGND
AGND
AGND
GND
+5V
AGND
Title
Size Document Number Rev
Date: Sheet of
401104d3.DWG D
ANALOGUE TO DIGITAL CONVERSION - ADC #2
(c) TSS (UK) Ltd., 1995
ALL RIGHTS RESERVED
TSS 350 CABLE SURVEY SYSTEM
A3
34Friday, January 05, 2001
SERIAL DATA
SYNCHRONOUS
TO CPU BOARD
REVISION HISTORY
DATE
RPM
CCT
REV ISS NOs BY
PCB ECR
---
ED CHK
BY
1 PAIR DECOUPLING CAPACITORS
FOR EACH OP-AMP - MUST BE
ELECTRICALLY CLOSE TO PINS
SPLIT
GROUND
PLANE
FROM SHT 2
FROM SHT 2
TRACKS MUST NOT CHANGE
LAYOUT INFORMATION:
REGIONS UNNECCESSARILY.
SEPARATE GROUND PLANES
FOR REGIONS 1 & 2.
REGION 1b
TRACKS MUST NOT CHANGE
LAYOUT INFORMATION:
REGIONS UNNECCESSARILY.
SEPARATE GROUND PLANES
FOR REGIONS 1 & 2.
REGION 2a
TRACKS MUST NOT CHANGE
LAYOUT INFORMATION:
REGIONS UNNECCESSARILY.
SEPARATE GROUND PLANES
FOR REGIONS 1 & 2.
REGION 2b
A 2 22FEB95
B 2 614 11SEP95 MI
C 2 1579 17 OCT 00 DB
1621 05 Jan 01DBB2
DC43
1u0
35VT
R10
1M0
GP
RP3C
1K
14
R15
39R
GP
RP3D
1K
15
R14
39R
GP
R16
39R
GP
U9E
1011
R17
39R
GP
DC42
L3
BEAD
C7
100p
NPO
U16
OP27GP
+
-
6
2
3
U24
HCPL2430
A1
1
K1
2
VCC
8
O1
7
O2
6
GND
5
K2
3
A2
4
R11
1M0
GP
C8
100p
NPO
U17
OP27GP
+
-
6
2
3
R12
1M0
GP
C9
100p
NPO
U18
OP27GP
+
-
6
2
3
U21
7805
I
1
O
3
G
2
R18
51R
GP
R13
1M0
GP
DC38
1u0
35VT
C10
100p
NPO
U19
OP27GP
+
-
6
2
3
DC39
1u0
35VT
DC45
100u
10VE
DC40
DC41
DC80
U22
7905
I
2
O
3
G
1
DC30 DC32
DC47
1u0
35VT
DC48
1u0
35VT
TP1C3
DC34
DC49
DC36
U25B
43
U9F
1213
DC46
220n
DC31
DC44
220n
DC33 DC35
D9
D10
DC37
D11
RP1F
1K
17
D12
DC51
D13
C11
100n
C12
100n
D14
D15
D16
RP3A
1K
12
DC50
TP1J10
U23
HCPL2430
A1
1
K1
2
VCC
8
O1
7
O2
6
GND
5
K2
3
A2
4
TP1K11
RP3B
1K
13
DC52
U25A
74HCT04
21
714
U20
AK5390
VA+
23
REF+
28
REF-
27
INL+
3
INL-
4
INR+
26
INR-
25
AGND
1
VA-
24
LGND
6
DGND
18
VL+
7
APD
2
DPD
10
ACAL
5
DCAL
9
SMODE
12
CMODE
11
SDATA
15
LEFT
13
SCLK
14
FSYNC
16
ICLKD
19
OCLKD
20
ICLKA
22
TSTO1
8
TSTO2
21
VD+
17
TP1B2
- 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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