Trend Logs (Tl); Scheduling (Sch); Programming (Pg) - Delta enteliZONE eZNT-Wi Series Application Manual

Database Objects
The enteliZONE thermostats do not support Change of Value or Change of Bitstring
alarm types. EV objects can send out auto generated or custom messages to notify
users about alarms. The eZNT and newer enteliZONE firmware support custom
alarm messages, however enteliZONE controllers do not support alarm
acknowledgments.
Intrinsic Alarming
Intrinsic alarming can be enabled on input and output points, specifically Analog
Input (AI), Binary Input (BI), Analog Output (AO) and Binary Output (BO).
For information about how to set up an intrinsic alarm, see the webinar
Intrinsic Alarms in ORCA 3.40 on the Delta Controls support web site.

Trend Logs (TL)

The thermostat supports up to 23 trend logs, functioning the same as with other
enteliZONE controllers. You can change the method of data collection (Change of
Value or polling) as well as the polling interval. However, fields that display the
maximum and total sample size are read-only.
It is not recommended to use Change of Value for objects that are expected to
change at a rate faster than every 5 seconds. TL objects have a 5-second record
limit. Events that occur faster than this record limit will result in "Log Enabled" or
"Log Interrupted" entries that can be hard to interpret. enteliZONE trend logs also
support CopperCube® archiving. enteliZONE controllers do not support buffer full
notification events; you must ensure that the CopperCube archiver update interval
is frequent enough to avoid missing samples.

Scheduling (SCH)

The thermostat supports a single instance of an on/off weekly schedule. It does not
support analog or multi-state schedule types or exception scheduling. Calendar and
optimum start objects are not supported.

Programming (PG)

The thermostat contains six programs allowing custom sequencing and
button/screen interaction. The maximum size of each program is 5 KB.
Supported GCL+ Programming Functions, Statements and Operators
The Call Statement is not used in the enteliZONE thermostats. Unlike other
programmable Delta Controls controllers, the six programs in the thermostat are
automatically scanned. The scan rate is also designed to be a constant 10
scans/second.
Page 78 of 126 eZNT-Wi Programmable Wi-Fi Thermostat Application Guide
Edition 1.4