Attributes (Plant Sequencing-Modulating) - Johnson Controls - Metasys - LIT-12011147 - Software Application - Controller Configuration Tool - 15.0

Controller Tool Help

Brand
Johnson Controls
Metasys
Product name
Controller Configuration Tool
Document type
User Guide
Document number
LIT-12011147
Version
15.0
Revision date
2022-11-18
Language
English

The following table describes the attributes used by the Plant Sequencing-Modulating modules:

Table 1. Plant Sequencing-Modulating Attributes

Name

Type 1

Description

Default Value

Plant Sequencing-Modulating Common Attributes

Down Delay

 

Indicates the minimum time after a Stage Down that another operation (Stage Up or Stage Down) can be performed.

10 minutes

Minimum Running Devices

 

Indicates the minimum quantity of stages to run as a first stage.

0

Number of Devices Running

 

Indicates the number of devices that are currently being called by the BO sequencer to run.

0

Output

V

Indicates the number of devices that are being called to run.

0

Process Variable

 

Indicates the variable that is compared to the setpoint and determines whether Stage Up or Stage Down is required.

100%

Stabilize Delay

 

Prevents debounce in staging up or down. The Plant Sequencing-Modulating module must be in Stage Up or Stage Down mode for this length of time before command is issued.

180 Seconds

StageDown Setpoint

V

Indicates the target value of the process variable.

15%

StageUp Setpoint

 

Indicates the target value of the process variable.

95%

Start-up Delay

 

Indicates the period to wait before staging on additional (above minimum) devices to allow the system to stabilize.

60 Minutes

State

G

Indicates the current state generated by the sequence.

OffSet Name: Plant Sequencing Mode

System Enable

 

Indicates the status of the Off/On command that enables the staging process to run.

Off

System Interlock Status

 

Indicates the on or off status of the Global System Interlock. This attribute must beOnbefore staging can occur.

On

Up Delay

 

Indicates the minimum time after a Stage Up that another operation (Stage Up or Stage Down) can be performed.

15 Minutes

Secondary HW Pump Sequencing and Secondary CHW Pump Sequencing Attributes

Down Delay

 

Indicates the minimum time after a Stage Down that another operation (Stage Up or Stage Down) can be performed.

5 Minutes

Start-up Delay

 

Indicates the period to wait before staging on additional (above minimum) devices to allow the system to stabilize.

0 Minutes

Up Delay

 

Indicates the minimum time after a Stage Up that another operation (Stage Up or Stage Down) can be performed.

5 Minutes

Variable Speed Fan Clg Twr Attributes

Down Delay

 

Indicates the minimum time after a Stage Down that another operation (Stage Up or Stage Down) can be performed.

3 Minutes

Start-up Delay

 

Indicates the period to wait before staging on additional (above minimum) devices to allow the system to stabilize.

0 Minutes

Up Delay

 

Indicates the minimum time after a Stage Up that another operation (Stage Up or Stage Down) can be performed.

3 Minutes

1 C - Configuration Mode Only, G - Default Element (Generated State, if applicable), SC - Simulation and Commissioning Modes Only, V - Calculated Value (Outputs)