GO-Pi-Zero-M is the main board for the DIN rail modular I/O system. It provides Ethernet, CAN and RS-485 communication and power for expansion modules.

GO-Pi-Zero-M connected to CB08, AD04 and DA04 expansion modules

Specifications

ItemSpecification
ModelGO-Pi-Zero-M
RoleMain and communication module
Compute module connectionPi Zero format, 40-pin header
Compute module in the documented buildLuckfox Lyra Zero W
PCB dimensions75.0 × 81.5 mm
PCB layers4
Address setting2 rotary switches, 2 digits
Module bus1 connector, 16 pins

Power

ItemSpecification
Nominal power inputDC 24 V
Power input rangeDC 18 to 36 V
Isolated power capacity6 W
Internal 5 V supply capacity1.2 A
Bus supply voltages+5 V, +3.3 V
Power input terminal2 pins
Input power isolationIsolated DC-DC, 1500 VDC

Communication

InterfaceConnectionConfiguration
EthernetHost system and networkRJ45 with integrated transformer isolation
CANSubmodulesShared ground within the enclosure, nonisolated
RS-485Field equipment3-pin terminal, isolated power and transmit/receive signals

Expansion boards

ModelI/O typeChannel count
GO-SUB-CB08Relay outputs / isolated contact inputs4 outputs + 4 inputs
GO-SUB-AD04Analog inputs (16-bit)4 channels
GO-SUB-DA04Analog outputs4 channels

DIN Rail Modular IO series — System overview, main board, expansion modules and simulator.