Watchmon4 hardware guide and pin assignment

BMS central processor for watching cell monitoring units and provides supervision functions. The WatchMon4 supervisor is able to notify remote systems (inverter/charger) of the battery state and when required, trigger evasive action to prevent damage to battery pack.

4.0-4.2 Pin Assignment

New 4.3 - 4.4 Pin assignment

4.0-4.2 Pin Assignment

New 4.3 -4.4 Pin assignment

Remote Communication

• WiFi connectivity (normal, disabled, or read only)
• Can-Bus communication port to remote systems
• Modbus RS485 link allowing connectivity to inverters without canbus
• Optional blue-tooth connectivity (future enhancement)

• Two (2) onboard FET outputs 4A with 8A inrush 
  • e.g. remote circuit breaker trip + fan
• Two (2) onboard input
  • e.g. circuit breaker trip sensor

Added features and I/O with Expansion board 

Provide inputs and outputs terminals to an extend range of features from a WatchMon.  Not for individual sale, sold only as part of a kit.

Key features

• 2 relay outputs 5A/30VDC
• 2 Solid State relay outputs  2A/60VDC
• 6 digital switched mosfet outputs 48V (3A continuous 6A peak)
• 2 analogue 5v inputs
• 2 digital inputs (positive sense)
• 2 digital inputs (negative sense)

ExpansionBoard_Guide_rev0.2.pdf