Object Naming and Signal Preferences - Johnson Controls - Metasys - LIT-12011147 - Software Application - Controller Configuration Tool

Object Naming and Signal Preferences - Johnson Controls - Metasys - LIT-12011147 - Software Application - Controller Configuration Tool - 15.0

Controller Tool Help

Product

Controls > Control Tools > Controller Configuration Tool

Document type

User Guide

Document number

LIT-12011147

Version

15.0

Revision date

2022-11-18

Object naming and signal preferences determine the naming conventions to use when adding input and output objects to your system (through the System Selection process or when you manually add inputs and outputs after System Selection). The names and signals you define in the object naming preferences are used when adding inputs and outputs during the System Selection process, as well as when adding them manually in the Control View.

An object name consists of a defined Object Name Prefix and a defined Object Name Suffix. The object name is created by combining them. For example, the Object Name Prefix BLDG added to the Object Name Suffix of SP results in an object name of BLDG-SP. Similar functionality is available to define an expanded identifier for each object.

A signal specifies the physical communications connection for a given input or output. This connection allows the controller to receive input values and send output values.

Use Table 1 to determine the signal to use for point types on your system.

Table 1. Field Controller Point Types and Signals
Point Type	Signals Supported
Universal Input (UI) ¹	Resistive Nickel 1k RTD Platinum 1k RTD Silicon A99B 2.25k NTC Type 2 Thermistor 10K NTC Type L Thermistor VAV Velocity Pressure 0-10 VDC 4-20 mA ² Dry Contact Maintained¹
Binary Input (BI)	Dry Contact Maintained Dry Contact Pulsed
Analog Output (AO)	0-10 VDC 4-20 mA
Binary Output (BO)	24 VAC Incremental ³ 24 VAC Maintained 24 VAC Pulse 24 VAC Start Stop ⁴
Configurable Output (CO)	0-10 VDC 24 VAC Incremental³ 24 VAC Maintained 24 VAC Pulse 24 VAC Start Stop⁴
Universal Output (UO)	0-10 VDC 4-20 mA 24 VAC Incremental³ 24 VAC Maintained 24 VAC Pulse 24 VAC Start Stop⁴
Relay Output (RO) ⁵	24 VAC Incremental³ 24 VAC Maintained 24 VAC Pulse 24 VAC Start Stop⁴ 24 VAC-240 VAC Incremental³ 24 VAC-240 VAC Maintained 24 VAC-240 VAC Pulse 24 VAC-240 VAC Start Stop⁴
Integrated Velocity Pressure Sensor	Integrated Velocity Pressure on VAV Box Controllers Note: Velocity Application types use -VP as the named suffix (such as SA-VP). The 1615 and 1630 Series VAV Box Controllers use the Integrated Digital Velocity Pressure signal type. The signal type for the earlier 1610 and 1620 versions of the VAV Box Controllers was Integrated Velocity Pressure.
Integrated Actuator	Integrated actuator on VAV Box Controllers
Sensor/Actuator Bus (SAB) Interfaces	The SAB signal type is used to provide the point. Examples of this include Network Sensor (Network Duct Sensor or Network Zone Sensor) and Network VSD.
Wireless Ethernet Interfaces	A wireless Ethernet signal is used to indicate that a wireless Many to One sensor provides the data for this input. An appropriate value object (AV, BV, MV) is created to which the Supervisory Controller passes the sensor data.

¹ The Universal Input (UI) is scanned once per second. There may be a delay of up to one second in reading a contact status change.

² The UI on VAV Box Controllers does not support the 4-20 mA signal.

³ Incremental outputs use two binary hardware slots for opening and closing an actuator.

⁴ Start stop outputs use two binary hardware slots for starting and stopping a device.

⁵ You can use Relay Outputs to drive incremental/floating 3-wire actuators; however, we recommend using triac outputs instead of Relay Outputs for the following control loop types: VAV Flow Control, Airflow, Airflow%, Airflow Diff, Bldg Static, and Duct Static.