ANTHC · BLOCK DIAGRAM
HW rev M2-R5
Field on one side. Network on the other.
FIELD TERMINALS
CONTROLLER
HOST · EXPANSION
4× analog in
16-bit ADC · 0–5 V or 4–20 mA, switchable
4× digital in
0–3.3 V logic level · switches, status signals
6× open-collector out
ULN2003 drivers · 500 mA per channel
RS485
Half-duplex · onboard termination
ESP32-S3
WROOM-1 module
dual-core
Wi-Fi + Bluetooth
on-module antenna
Pi footprint
85 × 56 mm · Pi enclosures, DIN rail
I2C · SPI
Add displays, sensors, radios
USB-C
Flashing, serial, 5 V power in
Real-time clock
MCP7940N · coin-cell backed
POWER
7–28 V DC
Cabinet supply in
5 V rail
Or 5 V via USB-C
LiPo backup
Keeps running on power loss
Input to MCU
MCU to field
Bidirectional bus
Host / expansion
Simplified. KiCad + schematics: github.com/Anthilla/AnthC · CERN-OHL-W-2.0
SPECTRAL ELECTRONICS