Communication
Communication
From current technology to the future
Vidar Nicolaysen
Product responsible, Computer Systems
Content
1. Technology
2. Architecture
3. Functionality
Technology – Intro – Control systems basics
• Topside: Human interface
• Communication link
• Subsea: Control and monitoring
Well
Topside
Control
System
UMBILICAL
&
SUBSEA
DISTRIBUTION
SYSTEM
Well
Well
Technology – Signal on power (modems)
• Traditional
• Enhancements
• Follows the power – simple system solutions
Technology - Ethernet
• Topside
• Subsea
– Network
– Instrumentation
• Limited distances
Technology - Fiber
• Not so new anymore
– Little loss
– Long stepouts
– COTS
• Mainstream
• Sufficient capacity – state of the art
Architecture - Topologies
• 1 to n modems on powerline
Topside
Subsea
Control
Module
Subsea
Control
Module
Subsea
Control
Module
Architecture - Topologies
• Star
Topside
Subsea
Control
Module
Distribution
Module
Subsea
Control
Module
Subsea
Control
Module
Architecture - Redundancy
• A and B sides
• Separate A and B pods for the distribution units
• Signal on power for backup communication
Architecture - Redundancy
A
A1
A2
A3
B
B1
A2
B3
Architecture - Redundancy
A
B
A distribution unit
A1
A2
B distribution unit
A3
B1
A2
B3
Communication System example
OS
(SCU)
External
PSD system
SCU
controller
unit A-1
SCU
controller
unit A-2
...
SCU
controller
unit A-n
SCU
controller
unit B-1
SCU
controller
unit B-2
...
SCU
controller
unit B-n
External
PSD system
LAN-B, Ethernet
LAN-A, Ethernet
Ethernet switch
SPCU A
SmartTool
(used for config
and diagnostic)
Ethernet switch
PSD600
TPU
(M-1)
TPU
(M-2)
TPU
(M-3)
TPU
(M-4)
TPU
(M-1)
Ethernet switch/router
Fiber
modem
(M-1)
Fiber
modem
(M-2)
Fiber
modem
(M-3)
Fiber
modem
(M-4)
Powerline
modem
(M-1)
SPCU B
Ethernet switch
TPU
(M-2)
TPU
(M-3)
TPU
(M-4)
PSD600
Ethernet switch/router
Powerline
modem
(M-2)
Powerline
modem
(M-3)
Powerline
modem
(M-4)
Fiber
modem
(M-1)
Fiber
modem
(M-2)
Fiber
modem
(M-3)
Fiber
modem
(M-4)
Powerline
modem
(M-1)
Powerline
modem
(M-2)
Powerline
modem
(M-3)
Powerline
modem
(M-4)
Fiber and power communication
SCM
SCM
Subsea
Routers
SCM
Manifold 1
SCM
SCM
SCM
Subsea
Routers
SCM
Manifold 2
SCM
SCM
SCM
SCM
SCM
Subsea
Routers
SCM
Manifold 3
SCM
SCM
SCM
SCM
Subsea
Routers
SCM
Manifold 4
SCM
SCM
Functionality - network
• KISS
• Learn from Internet/Intranet and telecom
• Capacity
Functionality - Topside vs. Subsea
• Handle data as close to the source as sensible,
but no closer
Functionality - Access
• Standardized users with
different access rights
• Remote access
Future
FMC vision – The Invisible Dream – “All Subsea”
Future
• How to use existing
technology subsea
– Marinization
– Packing
– Obsolescence handling
• Distance
FMC vision –
• Capacity
The Invisible Dream –
“All Subsea”
• Standardization
End
Questions?
Thank you for the attention!
Vidar.nicolaysen@fmcti.com
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