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10 – System Drawings
DPN 402197 © TSS (International) Ltd Page 5 of 14
Figure 10–4: 401104-2 Analogue to Digital Conversion - ADC1
D5V
AGND
+5V
+5V1 DGND
GND
DGND D5V
IAPD
IDPD
AGND +5V
ISMD
ICMD
ISD1
GND
ILR1
ISK1
IFS1 +5V
ICLKD
DGND
D5V
IAPD GND
IDPD
AGND
+5V
-5V1 DGND
D5V
+15V ICLKD
ICMD
AGND +5V
DGND
-15V AGND
D5V
IG0
IG1
DGND
SZ+
SZ-
SX+
SX-
ICLKD
IG0
IG1
SD1
LR1
SK1
FS1
APD
DPD
CLKD
G0
G1
IAPD
IDPD
ICMD
D5V
CMODE
+15V
+15V V+
-15V V-
DGND
-15V
AGND
AGND
AGND
AGND
AGND
GND
+5V
+5V
Title
Size Document Number Rev
Date: Sheet of
401104d2.dwg D
ANALOGUE TO DIGITAL CONVERSION - ADC #1
(c) TSS (UK) Ltd., 1995
ALL RIGHTS RESERVED
TSS 350 CABLE SURVEY SYSTEM
A3
24Friday, January 05, 2001
SERIAL DATA
SYNCHRONOUS
TO CPU BOARD
COMMON CLOCK
FROM CPU
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
CONTROL SIGNALS
TO OTHER CHANNELS
GAIN CONTROL
(TO PREAMPS)
TRACKS MUST NOT CHANGE
LAYOUT INFORMATION:
REGIONS UNNECCESSARILY.
SEPARATE GROUND PLANES
FOR REGIONS 1 & 2.
REGION 2b
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 1a
& CLOCK MODE
CONTROL
LINKED
HERE
STARTUP
CONTROL
ALL UNMARKED CAPACITORS: 100n X7R
ALL UNMARKED DIODES: BAT81
REFERENCES
NOT USED:
DC14
U8
L1
A2 22FEB95
B 2 614 11SEP95 MI
C 2 1579 17 OCT 00 DB
1621DBB05 Jan 012
DC1
1u0
35VT
TP2F
6
RP2G
1K
18
TP1M13
D2
DC10
1u0
35VT
TP2E
5
U7
7905
I
2
O
3
G
1
U6
7805
I
1
O
3
G
2
DC4
DC6
1u0
35VT
DC25
R1
1M0
GP
U15B
43
R6
39R
GP
RP1C
1K
14
R5
39R
GP
RP1D
1K
15
R7
39R
GP
TP2D
4
U9C
65
R8
39R
GP
DC5
U9B
43
U15F
12 13
L2
BEAD
DC23
D6
C1
100p
NPO
U11
HCPL2430
A1
1
K1
2
VCC
8
O1
7
O2
6
GND
5
K2
3
A2
4
U2
OP27GP
+
-
6
2
3
R2
1M0
GP
D8
C2
100p
NPO
D4
U3
OP27GP
+
-
6
2
3
R3
1M0
GP
C3
100p
NPO
U4
OP27GP
+
-
6
2
3
R4
1M0
GP
C4
100p
NPO
U5
OP27GP
+
-
6
2
3
LK1
U13
HCPL2430
A1
1
K1
2
VCC
8
O1
7
O2
6
GND
5
K2
3
A2
4
DC7
220n
RP2C
1K
14
DC9
220n
DC15
RP2D
1K
15
DC17
DC24
DC26
DC19
U9D
89
DC21
DC29
D5
DC16 DC18
DC3
DC20
TP1E5
TP2A
1
DC22
DC11
1u0
35VT
TP2B
2
DC12
C5
100n
C6
100n
RP2B
1K
13
RP2H
1K
19
RP1A
1K
12
DC27
TP1L12 U10
HCPL2430
A1
1
K1
2
VCC
8
O1
7
O2
6
GND
5
K2
3
A2
4
DC79
RP2A
1K
12
D7
U15E
10 11
TP1D4
U15A
74HCT04
21
714
U15C
65
U15D
89
U12
HCPL2430
A1
1
K1
2
VCC
8
O1
7
O2
6
GND
5
K2
3
A2
4
TP2C
3
D3
U14
HCPL2430
A1
1
K1
2
VCC
8
O1
7
O2
6
GND
5
K2
3
A2
4
D1
RP2E
1K
16
DC13
1u0
35VT
RP2F
1K
17
TP1A
1
DC28
RP1B
1K
13
U9A
74HCT04
21
714
RP1E
1K
16
U1
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
DC2
1u0
35VT
R9
51R
GP
L5
10u
DC8
100u
10VE
- 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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