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EM 122
Kongsberg EM 122 Installation Manual
154 pages
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EM 122
Multibeam echo sounder
Installation Manual
2
Table of Contents
Table of Contents
5
About this Manual
9
Brief System Description
10
Transducer Arrays
10
Transceiver Unit - TRU
11
Preamplifier Unit
11
TX Junction Box(Es)
11
Operator Station
12
Scope of Supply
15
Supply Conditions
16
Equipment Responsibility
16
Project Management
16
Installation, Supervision and Commissioning
17
Installation Requirements
18
Power Supply
18
Environmental Requirements
18
Noise Sources
18
Dry Docking
18
Wiring
19
Warranty
19
Transducer Arrays
20
Installation Principles
20
Basic Description
20
Installation Philosophy
21
Locating the Transducer Array
22
The Boundary Water Layer
22
Propeller Noise
22
Noise from Protruding Objects on the Hull
23
Summary
23
Installation Steps
25
Steel Conduits
28
Logistics and References
28
Procedure
28
Casings
30
Logistics and References
30
Procedure
30
Mounting Frames
30
Logistics and References
31
Procedures
31
Transducer Modules
34
Logistics and References
34
Procedure
34
Installation Examples
36
Transducer Blister
36
Logistics and References
36
Procedure
37
Gondola
38
Logistics and References
38
Flush Mount
39
Fairing
40
Protective Acoustic Window
40
Description of a Acoustic Window
40
System Units
43
Operator Station
43
Transceiver Unit
45
Location
45
General Information
47
Logistics
48
Procedure
48
Surface Preservation
49
Preamplifier Unit
49
Scope
49
Location
50
General Information
50
Logistics
50
Procedures
51
TX Junction Box(Es)
55
Location
56
Logistics
56
Procedures
56
Surface Preservation
57
Remote Control Junction Box
58
Scope
58
Location
58
General Information
58
Logistics
58
Procedures
59
Technical Specifications
61
Interfaces
61
Physical Specifications
62
Power Requirements
63
Environmental and EMC Specifications
64
Cable Layout and Interconnections
66
System Cabling
66
Operator Station Cables
68
Transceiver Unit Cables
70
Transceiver Unit Sub-Racks - Front View
72
Transceiver Unit Sub-Racks - Rear View
74
4 317669/B
76
Power and Control Cables between Sub-Racks - Rear View
84
Preamplifier
86
Preamplifier - Front View
86
Preamplifier - Rear View
87
Preamplifier - Underneath View
87
Transducer Cables
89
Transmit Array Cables
89
Receive Array Cables
91
Cables between TX Junction Box(Es) and Transceiver Unit for 0.5 Degree
92
4 317669/B
93
Cables between Preamplifier Unit and Transceiver Unit
95
Alignment
98
Vessel Coordinate System
99
Sensor Location and Alignment
100
Motion Sensor
100
Heading Sensor
101
Positioning System
101
Water Line
101
Transducer Measurements
102
Transducer Heading
102
Transducer Roll and Pitch
102
Transducer Position
102
System Calibration after Final Alignment
103
System Test
104
Visual Inspection of Units
105
Scope
105
Operator Unit
105
Transceiver Unit
105
Preamplifier Unit
106
TX Junction Box 1
106
TX Junction Box 2
106
Electrical Checks
108
Scope
108
Cabling
108
Operational Voltage
109
Final Installation Checks
110
Drawing File
111
System Drawings
111
RX Module
112
TX Module
113
TX Array Mounting Frame Assembly 0.5 Degree
114
TX Array Mounting Frame Assembly 1 Degree
115
TX Array
116
RX Array
118
RX Array with Casing - 2 Degree
119
Preamplifier
121
TX Junction Box
123
Transducer Cable Layout
124
Ice Window
128
Operator Station and Display
130
Preamplifier Unit
131
Cable Drawings
133
Generic RS-232 Serial Line
135
Generic RS-232 Serial Line
136
Generic Coax Cable
137
EM Remote Synchronization and On/Off
138
Trigger In/Out
139
Internal Control Signals
140
Remote Control and External Trig
141
Standard AC Power Cable
142
Ethernet Cable with RJ45
143
TX Transducer Cables from Junction Boxes or Transducer to TRU
144
TX Transducer Cables to Transducer Array
145
RX Transducer Cable from Preamplifier to TRU
146
Preamplifier Unit Cable from Array
147
Signal Cable Junction Box
148
General Safety Rules
149
Basic Cable Requirements
150
Cable Trays
150
Radio Frequency Interference
151
Physical Protection
151
Grounding
151
Cable Connections
152
Cable Terminations
152
Cable Identification
152
Other manuals for Kongsberg EM 122
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Kongsberg EM 122 Specifications
General
Type
Multibeam Echosounder
Operating Frequency
12 kHz
Swath Width
Up to 6 times water depth
Maximum Depth
11000 m
Data Output
Water column data, bathymetry
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