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Discussion History

Control and Safety System

Assembly

DCS, online analyzers, and a safety instrumented system for the cryogenic plant. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Control and Safety System parts and their functions

8 top-level parts · 28 parts in total · full bill of materials below
Control and Safety System parts diagram: 1 DCS cabinet, 2 SIS logic solver, 3 gas analyzer, 4 control valve, 5 ESD valve, 6 bare PCB, 7 microcontroller, 8 relay. 28 parts in 8 top-level items.
Control and Safety System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 DCS Cabinet 1× Distributed control system cabinet
2 SIS Logic Solver 1× Safety instrumented system logic solver
3 Gas Analyzer 2× Online nitrogen and methane analyzers
4 Control Valve 6× Process control valves on key streams
5 ESD Valve 2× Emergency shutdown isolation valves
6 Bare PCB 4× Controller and IO boards
7 Microcontroller 4× Embedded processors in the controllers
8 Relay 8× Interposing and trip relays

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Control and Safety System

8 top-level lines · 8 rows shown · 28 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 DCS Cabinet nitrogen-rejection-unit-dcs-cabinet 1× 1 · part
2 SIS Logic Solver nitrogen-rejection-unit-sis-logic 1× 1 · part
3 Gas Analyzer nitrogen-rejection-unit-gas-analyzer 2× 2 · part
4 Control Valve nitrogen-rejection-unit-control-valve 6× 6 · part
5 ESD Valve nitrogen-rejection-unit-esd-valve 2× 2 · part
6 Bare PCB pcb-bare 4× 4 · part
7 Microcontroller mcu 4× 4 · part
8 Relay relay 8× 8 · part

Where the control and safety system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Nitrogen Rejection Unit

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks