User's Guide _______________________________________________________________________
92 ___________________________________________________________________ M211399EN-F
Protocol_Services
Who-Is, I-Am, Who-Has, I-Have and UnconfirmedCOVNotification
services are available only when HMW90 is MS/TP master. Reinitialize
Device service must be password protected. According to BACnet
protocol, password is character string having max 20 characters. Default
password is "1234". Password can be changed through the service port
by using the BACNET command. See section Set BACnet Parameters on
page 64.
Database_revision
This is changed during operation according to section 12.11.35 of
ANSI/ASHRAE standard 135-2008.
Relative Humidity object
This Analog Input Object exists only in the HMW95 model.
Table 20 Relative Humidity Object Properties
(Application Type)
(Conformance
Object Type = 0,
BACnetObjectType
(ENUMERATED)
(When Oos)
BACnetEngineeringUnits
(ENUMERATED)
29 (percent-relative-
humidity)
BACnet Status Flags
(BIT STRING)
BACnet Reliability
(ENUMERATED)
BACnetEventState
(ENUMERATED)
NaN (COV reporting
disabled)
0.0 (same as limit for
UNDER_RANGE)
100 (same as limit for
OVER_RANGE)