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Discussion History

Dosing Control System

Assembly

Controller running feedforward and feedback dosing logic to hold outlet NOx and limit ammonia slip. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Dosing Control System parts and their functions

11 top-level parts · 28 parts in total · full bill of materials below
Dosing Control System parts diagram: 1 dosing PLC, 2 I/O module, 3 HMI panel, 4 bare PCB, 5 microcontroller, 6 SMD passive (R/C/L), 7 relay, 8 power supply, 9 LCD panel, 10 wire bundle, 11 connector. 28 parts in 11 top-level items.
Dosing Control 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 Dosing PLC 1× Programmable controller running the dosing algorithm
2 I/O Module 4× Analog and digital input/output modules
3 HMI Panel 1× Operator interface for setpoints and alarms
4 Bare PCB 2× Controller backplane boards
5 Microcontroller 2× Microcontrollers on the I/O modules
6 SMD Passive (R/C/L) 1× Passive component set on the control boards
7 Relay 8× Output relays for pumps, valves, and blowers
8 Power Supply 1× 24 VDC control power supply
9 LCD Panel 1× HMI display panel
10 Wire Bundle 1× Control panel wiring harness
11 Connector 6× Panel field termination connectors

3D model

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Build & assembly graph

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Bill of materials for Dosing Control System

11 top-level lines · 11 rows shown · 28 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Dosing PLC selective-catalytic-reduction-unit-plc 1× 1 · part
2 I/O Module selective-catalytic-reduction-unit-io-module 4× 4 · part
3 HMI Panel selective-catalytic-reduction-unit-hmi-panel 1× 1 · part
4 Bare PCB pcb-bare 2× 2 · part
5 Microcontroller mcu 2× 2 · part
6 SMD Passive (R/C/L) smd-passives 1× 1 · part
7 Relay relay 8× 8 · part
8 Power Supply power-supply 1× 1 · part
9 LCD Panel lcd-panel 1× 1 · part
10 Wire Bundle wire-bundle 1× 1 · part
11 Connector connector 6× 6 · part

Where the dosing control system is used

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

Used in 1 assembly

SCR NOx Reduction 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