Table of Contents
7ECLYPSE APEX
About Tuning the Max Master Parameter ................................................................................. 129
Setting the Max Master and Max Info Frames .......................................................................... 129
Default Device Instance Number Numbering System for Distech Controls’ Controllers........... 129
Adopting a Numbering System for MAC Addresses, Device Instance Numbers, and Network
Numbers ...................................................................................................................................129
Setting the Controller’s MAC Address ...................................................................................... 130
Inter-Building BACnet Connection ............................................................................................ 131
BACnet/IP Broadcast Management Device Service (BBMD) ................................................... 131
Power Supply Requirements for 24VAC-Powered Controllers ............................................................ 132
BACnet MS/TP is a Three-Wire Data Bus ................................................................................ 132
Avoid Ground Lift ......................................................................................................................132
Techniques to Reduce Ground Lift ...........................................................................................133
About External Loads................................................................................................................ 133
Transformer Selection and Determining the Maximum Power Run Length.............................. 133
Recommended 24V Power Cable............................................................................................. 133
24VAC Power Supply Connection ............................................................................................ 134
Power Wiring with APEX........................................................................................................... 134
CHAPTER 12
Subnetwork Installation Guidelines ..............................................................................................................136
About the Subnetwork Data Bus .......................................................................................................... 136
Subnetwork Connection Method............................................................................................... 136
Subnetwork Module Compatibility and Supported Quantity Charts ..................................................... 136
Subnetwork Module Connection ............................................................................................... 137
Subnetwork Data Bus Length ...................................................................................................138
Cat 5e Cable Subnetwork Data Bus ....................................................................................................140
Cat 5e Cable Subnetwork Data Bus Cable Requirements ....................................................... 140
Cat 5e Cable Subnetwork Bus Topology and End-of-Line Terminations.................................. 142
Setting the Subnet ID Addressing for Room Devices ............................................................... 144
Setting the Allure UNITOUCH Sensor Subnet ID Address .................................................................. 145
Setting the Allure EC-Smart-Vue Sensor’s Subnet ID Address ........................................................... 147
Setting the Allure EC-Smart-Air and EC-Smart-Comfort Communicating Sensor Series’ Subnet ID Ad-
dress ....................................................................................................................................................148
Setting the EC-Multi-Sensor Series’ Subnet ID Address .....................................................................150
Setting the EC-Multi-Sensor-BLE Subnet ID Address .........................................................................150
Setting the ECx-Light and ECx-Blind Series’ Subnet ID Address ........................................................ 151
Auto-assigned Subnet ID Address for Light and Blind Expansion Modules ............................. 152
Auto Learn Light and Blind/Shade Expansion Modules in EC-gfxProgram .............................. 152
Commissioning a Connected VAV Controller with an Allure EC-Smart-Vue Sensor ........................... 153
CHAPTER 13
Modbus TCP Configuration .......................................................................................................................... 154
Controller Modbus Support .................................................................................................................. 154
Modbus TCP Device Connection ......................................................................................................... 154
Device Addressing ............................................................................................................................... 154
About Device Addressing.......................................................................................................... 154