Multistate Value Commands - Metasys - LIT-12011942 - "" - Software Application - Metasys Open Data Server

Multistate Value Commands - Metasys - LIT-12011942 - "" - Software Application - Metasys Open Data Server - 10.1

Metasys Open Data Server Help

Product name

Metasys Open Data Server

Document type

User Guide

Document number

LIT-12011942

Version

10.1

Revision date

14/10/2019

The table below lists the commands supported by the Multistate Value Object.

Table 1. Multistate Value Object Commands
Command Name	Parameters	Description
Disable Alarms	None	Disables all types of alarming: alarm extensions, BACnet intrinsic alarming, and BACnet Event Enrollment objects.
Enable Alarms	None	Enables all types of alarming: alarm extensions, BACnet intrinsic alarming, and BACnet Event Enrollment objects.
Operator Override	State0–StateN	Updates the Present Value at Command Priority Operator Override (8). The Operator Override command sends the specified command to the internal NxE object, which is then only sent to the field device when one of the following conditions is met: a) NOT Local Control and NOT Out Of Service, or b) NOT Local Control and after issuing the In Service command.
Release Operator Override	None	Releases Command Priority Operator Override (8) from Present Value.
Release	Attribute name Command priority	Releases the identified command priority from the specified, writable attribute, and allows it to be controlled by the next highest priority.
Release All	Attribute name	Important: The Release All command may not cause an immediate return to automatic operation. The Release All command clears all command priorities, including those that come from applications and features. When this happens, the output point goes to its Relinquish Default condition. In some cases, the application or feature may have sent a command that does not match Relinquish Default. In this instance, the output point does not end in the state that the applications or features intended. This situation can cause unexpected operation to occur; for example, a space could overcool or overheat, a fan might run longer than expected, and so on. If an operator has overridden an input, use the Release Operator Override command. Releases Command Priorities 3 through 15 from the specified, writable attribute. Command Priorities 1 (Manual Emergency) and 2 (Fire Application) remain.
State0 … StateN	None Note: The MS/TP Multistate Value supports an equivalent Set State command which takes State0-StateN as parameters.	Important: Be aware that an operator state command releases the actions of any processes running to the object in the NxE or FEC controllers that use Priorities 9 through 16. Consider this behavior when creating control strategies. Releases Command Priorities 9 through 15 (Scheduling) and then writes to the Present Value at the Default (16) command priority. The state command names and number of commands are dependent on the States Text and Number of States attributes.
Temporary Override	The value to be written to the Present Value attribute, in addition to the duration of the override in hours and minutes.	Overrides a point temporarily for a specified period of time. After the specified time period passes, the Override is automatically released.