JOHNSON CONTROLS
153
SECTION 7 – UNIT CONTROLS
FORM 150.72-ICOM7
ISSUE DATE: 10/22/2020
7
TABLE 21 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D)
Address Scale
Imperial SI
YCWL Mode [0=Chiller, 1=Heatpump]
YT2_ S02_ P56
nvoYTS02p056 SNVT_count_f (51) ADI 25 0130 x1 None None
Refrigerant [0=R-22, 1=R-407c, 2=R-410a, 3=R-
NSSSS
YT2_ S02_ P84
nvoYTS02p084 SNVT_switch (95)
0/1 0/1 Units [0=Imperial, 1=Metric] NSSSS
2
4
10
BACnet engineering units shown with an Asterisk (*) will be assigned a BACnet engineering unit type of 95 - No Units.
Status codes: Special display characters such as ( ) [ ] { } / \ % < > are not compatible with eLink N2 formats. Substitute text strings "-", PCT, GTN will be used. String lengths are limited to 60 total
characters, including spaces.
LON SNVTs used: SNVT_count_f (51) and SNVT_switch (95). Must use LON eLink.
Modbus scaling factors indicated in
with an asterisk (*) are user configurable by a field technician, if necessary. All Modbus values are of the type SIGNED with the exception of the user configurable
values that are all UNSIGNED. Modbus function types supported: ENG P03-P06 = Types 03, 06, 16; ENG P07-P10 = 01, 03, 05, 06, 15, 16; ENG P36-P55 & P80-84 = 01, 02, 03
Ref
Object
Typ/Ins
BACnet Object
Name
LON Profile
Name
LON SNVT Type
N2
Metasys
Units
Point List Code: S = Standard O = Optional N = Not Available
Modbus
Johnson Controls, Inc.
Subject to change without notice.
5 of 6
02/11/2020
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