PLC & Transaction Controller
AssemblyAn embedded controller that orchestrates capsule routing, blower timing, intercom logic, weight verification, and audit logging for each drive-through transaction. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
PLC & Transaction Controller parts and their functions
8 top-level parts · 15 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Microcontroller | 1× | Industrial PLC or ARM Cortex-M4, 256 MB RAM, 32 GB SSD, runs ladder logic or BASIC programming |
| 2 | Bare PCB | 1× | Solenoid driver board (4 independent outputs for junction valves), relay buffers for blower motor, analog inputs for weight/pressure sensors |
| 3 | Safe Deposit System Rtc Module | 1× | Real-time clock maintains transaction timestamp accuracy |
| 4 | Relay | 4× | High-current relays switch solenoid valves and blower motor on/off, inrush current protection |
| 5 | Power MOSFET | 2× | Gate drivers for solenoid coils, flyback diodes prevent back-EMF damage |
| 6 | SMD Passive (R/C/L) | 1× | Signal conditioning, filtering, voltage dividers for analog sensors |
| 7 | Connector | 4× | USB or serial for diagnostic/configuration, Ethernet for core banking link, power jack 24 VDC, sensor/solenoid harness |
| 8 | Power Supply | 1× | 200W 24 VDC supply, independent backup battery (12V 7Ah) for 4-hour emergency operation |
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Bill of materials for PLC & Transaction Controller
8 top-level lines · 8 rows shown · 15 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Microcontroller | mcu | 1× | 1 | · | part |
| 2 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 3 | Safe Deposit System Rtc Module | drive-through-teller-unit-safe-deposit-system-rtc-module | 1× | 1 | · | part |
| 4 | Relay | relay | 4× | 4 | · | part |
| 5 | Power MOSFET | mosfet | 2× | 2 | · | part |
| 6 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |
| 7 | Connector | connector | 4× | 4 | · | part |
| 8 | Power Supply | power-supply | 1× | 1 | · | part |
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Where the PLC & transaction controller is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
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 $1–$200. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳JLCPCB
jlcpcb.com ↗
|
Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
|
🇨🇳PCBWay
pcbway.com ↗
|
Shenzhen, CN | PCB fab & assembly | 100 pcs | 2–4 wks |
| scc.com.cn ↗ | Shenzhen, CN | PCB manufacturer | 100 pcs | 2–4 wks |
| shogini.com ↗ | Mumbai, IN | PCB manufacturer | 100 pcs | 2–4 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |