Carrier 50TCQD14 Installation Instructions Manual

Also see for 50TCQD: Installation instructions

Contents

55The RTU Open controller can be set to communicate onfour different protocols: BACnet, Modbus, N2, andLonWorks. Switch 3 (SW3) on the board is used to setprotocol and baud rate. Switches 1 and 2 (SW1 and SW2)are used to set the board’s network address. See Fig. 72and 73 for protocol switch settings and address switches.The third party connection to the RTU Open controller isthrough plug J19. See Fig. 74 for wiring.NOTE: Power must be cycled after changing the SW1--3switch settings.Refer to the RTU Open v3 Integration Guide for moredetailed information on protocols, third party wiring, andnetworking.Local AccessWall Mounted Equipment Toucht InterfaceThe Equipment Touch interface is a wall mounted interfaceused to connect to the RTU Open controller to access thecontrol information, read sensor values, and performmaintenance. This is an accessory interface that does notcome with the RTU Open controller. Wire the EquipmentTouch interface to the RTU Open controller J13 local accessport. There are 2 password protected levels in the display(User and Admin). See the Equipment Touch Installationand Setup Guide for more information. See Appendix A inthe guide for navigation and screen content.SW3 Protocol SelectionPROTOCOL DS8 DS7 DS6 DS5 DS4 DS3 DS2 DS1BACnet MS/TP(Master) Unused OFF OFF OFF ON OFF Select Baud Select BaudModbus(Slave) Unused OFF OFF ON ON OFF Select Baud Select BaudN2(Slave) Unused OFF OFF OFF ON ON OFF OFFLonWorks Unused ON ON OFF ON OFF OFF ONNOTE:DS = DIP SwitchBACnet MS/TP SW3 example shownBaud Rate SelectionsBAUD RATE DS2 DS19600 OFF OFF19,200 ON OFF38,400 OFF ON76,800 ON ON C07166Fig. 72 -- RTU Open Controller SW3 DIP Switch SettingsC10815Fig. 73 -- RTU Open Controller Address SwitchesC10816Fig. 74 -- Network Wiring