How to fix cannot get Modbus TCP data over network on Honeywell SPM Flex Security Sensors?
- CcallahanmargaretSep 2, 2025
If your Honeywell Security Sensors cannot get Modbus TCP data over the network, confirm the network configuration for both the SPM Flex and the target device. Make sure the target device is on the same network/subnet. Also, confirm the SPM Flex IP address on Review/Network Summary.











