Communications Protocols
The CG series controllers can communicate using
BACnet MS/TP, N2. or wireless Zigbee®. By default,
these controllers communicate using the BACnet MS/
TP protocol. The BACnet protocol is a standard for ANSI,
ASHRAE, and the International Standards Organization
(ISO) for building controls.

The CG series controllers can be used as functional
replacements for legacy N2 controllers. The N2-capable
MS/TP equipment controller models provide a cost
effective upgrade and modernization path for customers
with existing N2 controllers. For installation and
commissioning support, and tips for efficient and safe
replacement, refer to the Modernization Guide for Legacy
N2 Controllers (LIT-12012005) and the controller-specific
documentation. For information about mapping N2
Objects in controllers with switchable communications
protocols, refer to the N2 Compatibility Options chapter of
the Controller Tool Help (LIT-12011147).
The CGM controllers ship with a default state that can
assist in validating the wiring of the input and output
terminals prior to download of an application file.
The CGM09090 and CGM04060 General Purpose
Application MS/TP Controllers (CGs) are equipment
controllers that run pre-engineered and user
programmable applications, and provide the inputs and
outputs required to monitor and control a wide variety of
HVAC and other facility equipment. CG series controllers
operate on an RS-485 BACnet® MS/TP Bus as BACnet
Advanced Application Controllers (B-AACs) and integrate
into Johnson Controls® and third-party BACnet systems.
CG series controllers include an integral real-time clock,
which enables the controllers to monitor and control
schedules, calendars, and trends, and operate for
extended periods as stand-alone controllers when offline
from the Facility Explorer® system network.
Johnson Controls M4-XPM18000-0 18-point Input Expansion Module
Johnson Controls TL-CCT-0 License enabling Controller
Johnson Controls MS-FCP-0 License enabling Metasys Equipment Controller
Johnson Controls MS-DIS1710-0 Local Controller Display
Johnson Controls NS-ATV7003-0 Handheld VAV Balancing Tool
Johnson Controls NS Series Network Sensors
Johnson Controls AS-CBLTSTAT-0 Cable adapter for connection to 8-pin TE-6700 Series sensors
Johnson Controls NS-WALLPLATE-0 Network Sensor Wall Plate
Johnson Controls WRZ Series Wireless Room Sensors
Johnson Controls WRZ-7860-0 Refer to the WRZ-7860 Receiver
Johnson Controls WRZ-SST-120 Refer to the WRZ-SST-120 Wireless Sensing System
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