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The thermostats accepts these data exchange requests:
Poll: The default data exchange type set up in the Data Exchange Settings
l
object (DES) is Poll. The poll interval can be adjusted in the DES object, at a
recommended minimum of 1 second per MS/TP device on a segment.
Change of Value (Confirmed and Unconfirmed): enteliZONE controllers are
l
limited to a maximum of 12 subscriptions (Data Exchange Local or DEL
objects).
The thermostats do not support the Optimized Broadcast and Broadcast Data
Exchange request types. If a controller attempts to subscribe using any of these
exchange types, the exchange types will fail and revert to polling.
The programmable thermostats can initiate up to 12 data exchange polling requests
(Delta Exchange Remote or DER objects). Other types of Data Exchange initiating
request types are not supported.
The DES object for the controller lists the number of DER and DEL requests that are
in use.
The thermostat supports Bulk Data Exchange (BDE) but is limited to 2 BDE objects.
Each BDE object can hold up to 12 tag and object entries on the object's Transmit
Entries tab.
For more information about Data Exchange types, go to the George Support
knowledge base article KBA1813: Comprehensive Guide to Data Exchange.
Alarming (EV)
The thermostat supports up to 5 EV objects and also intrinsic alarming on up to 5
input and output points. These EV objects support these alarm types:
Alarm
Description
Type
Change of
Used to monitor and alarm a binary value.
State
Command
Used when you have a binary value with feedback. An alarm is gen-
Failure
erated if monitored values do not match the feedback value.
Used to alarm when an analog value varies more than a set limit
Floating
from a variable setpoint value.
Limit
Out of
Used to alarm when an analog value varies outside of a set of fixed
Range
limits.
eZNT-Wi Programmable Wi-Fi Thermostat Application Guide
Edition 1.4
Page 77 of 126
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