Solution:

This document shows that how to control end notes IO or the Modbus slave data through WISE-4210-AP. The default working mode is uplink mode. An end node periodic broadcast data to an AP. Different from push mode, WISE-4210 AP will query WISE-4210 node’s IO data periodically in downlink mode. Uplink mode: Downlink mode: In addition, it allows user to control node’s IO status such as the DO, Modbus Slave value in S250 I/O board which extends the flexibility to the application of customer.