Ecrew Piac 3 -

Solution: Check your firewall – the PIAC 3 uses outbound ports 443 (HTTPS) and 8883 (MQTT). Also verify the device’s cellular APN settings if using 5G failover.

Solution: The PIAC 3 communicates via dry contact relays or Wiegand output. Use the built-in diagnostic LED sequence: fast blink green = command sent; solid red = relay fault. ecrew piac 3

RESTful APIs allow the PIAC 3 to plug into existing ERP (SAP, Oracle), LMS (SuccessFactors), and CMMS (Maximo, Maintenance Connection) systems. Solution : Check your firewall – the PIAC