1. 2013/ 10/ 01 EIN’s Modbus over ZigBee Sales Support Purpose This document outlines EIN’s Modbus over ZigBee and how customers may seamlessly integrate ZigBee to easily extend their network and reduce their installation costs.

2. Contents 1/4 EIN Strategic Planning Dept. Current Modbus Connection Current Modbus Connection Pure Modbus over ZigBee Pure Modbus over ZigBee Hybrid Modbus over ZigBee Hybrid Modbus over ZigBee

3. Current Modbus Connection 1. 1 Master and a maximum of 32 Slaves 2. Daisy Chained RS485 3. Maximum Cable Length: 4,000 feet 4. All devices have same Baud Rate Master PC Modbus Device Slave 1 MD Slave 3 MD Slave 2 RS485 2/4 EIN Strategic Planning Dept. RS485

4. Pure Modbus over ZigBee 3/4 EIN Strategic Planning Dept. Master 1: PC MD Slave 2 MD Slave 3 Bluetooth ZigBee Router ZigBee Router 1. Multi-Master 2. Up to 64 Slave Devices 3. Free Form Network Connections with the maximum distance of 100m per Hop and 15 Hops 4. Mixed Baud Rate available 5. Bluetooth based Masters may query Network in Parallel Master 2: Cellphone ZigBee Bridge Modbus Device Slave 1

5. 4/4 EIN Strategic Planning Dept. Master 1: PC MD Slave 2 MD Slave 3 Bluetooth ZigBee Router ZigBee Router 1. Multi-Master 2. Up to 64 Slave Devices 3. Free Form Network Connections with the maximum distance of 100m per Hop and 15 Hops 4. Mixed Baud Rate available 5. Bluetooth based Masters may query Network in Parallel 6. Mixed Wired and Wireless Modbus 7. Multiple Slaves per Radio Master 2: Cellphone ZigBee Bridge Hybrid Modbus over ZigBee RS485 Modbus Device Slave 1