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Arduino PLC - Coggle Diagram
Arduino
PLC
Power supply
Battery backu
Li-ion / NiMH cells
Auto-switchover circui
UPS-style continuit
Voltage regulation
Linear or switching reg
Onboard Arduino regulato
3.3 V and 5 V rails
AC/DC adapter
9 V / 1 A recommended
USB or barrel jack
7–12 V DC input
Controller
Memory
2 KB SRAM (runtime
1 KB EEPROM
32 KB Flash (program
Arduino board
14 digital I/O pins
ATmega328P MCU
UNO / Seeeduino / Genuino
Grove Base Shield
16 Grove connector ports
4-wire standard cable
Analog, digital, I2C, UART
Relay / non-relay I/O unit
Digital inputs
Optically isolated
Grove Button module
HIGH / LOW 2-level logic
Analog inputs
0–5 V input range
Temp / humidity sensors
10-bit ADC (1024 steps)
Relay outputs
250 VAC / 10 A peak
Grove Relay module
Normally open (NO) contact
Enclosure
Ventilation
Louvred vents
Optional cooling fan
Thermal management
Protective housing
Metal or ABS plastic
IP-rated casing
Dust and moisture proo
Mounting points
Wall / panel mount holes
Cable entry gland
DIN rail slots inside
Terminal block connectors
Clamp type
Spring-cage clamp
Push-in connector
Screw clamp terminals
Mounting points
GND common rail
Fused input terminal
Power bus bar (+V)
Field wiring interface
Actuator control lines
Numbered for tracing
Sensor signal lines
DIN rail
Standard spec
EN 60715 norm
Top-hat profile
35 mm wide (TS-35)
Passive structure
Cabinet-mounted
Grounding via rail
Steel or aluminium
Module mounting
Holds PSU and controlle
Easy add / remove
Snap-on DIN clips