Specifications

B&K Components Device Interface Protocol (BKC-DIP) Specification
Version 2.01.00
Updated 01/24/07
Page 22 of 54
Z12 A.R
Z16 B, C, and D
Z17 A.L and A.R
Z22 E and F
Z27 B, C, D.L, and D.R
Z35 D.R, E, and F
There are several important concepts to note that are illustrated in the above Logical Zones.
1. Logical Zones need not be consecutive. Notice there are no Logical Zones 2, 5-11, 13-15, 18-
21, 23-26, 28-34, or 36-128. Logical Zones are with created with Groups set to use a valid
Code Sets/Zone ID with any value ranging from 0 (off), 1 to 128.
2. Logical Zones may be created and used to control a single Hardware Zone or Groups of
Hardware Zones.
3. When a Hardware Zone is configured in Mono mode, its left and right halves may be assigned
to various Groups. Such is the case of A.L in Z1, D.L in Z4, A.R in Z12, and in D.R Zone 35.
4. Logical Zone 0, Group 0 always encompasses all Hardware Zones.
5. Notice that Groups j – r are unused (Code Sets set to off).
NOTE: There is no real significance to the choice of Group letter (i.e. Group a has no more
significance that Group r).
SubIdentifiers
Even though BKC-DIP refers only to Logical Zones, it is necessary to obtain information relating
to Hardware Zones. SubIdentifiers are part of BKC-DIP V2.xx syntax that indicates Hardware
Zone settings.
Again, this is best illustrated by example. Let’s again use the default CT 610 Code Set/Zone ID
settings which are as follow:
Hardware
Zone
Group Code Set
(Zone ID)
Group Code Set
(Zone ID)
Whole House Code Set
(Zone ID)
A 3 (group a) 11 (group c) 0 (group 0)
B 3 (group a) 12 (group d) 0 (group 0)
C 3 (group a) 13 (group e) 0 (group 0)
D 3 (group a) 14 (group f) 0 (group 0)
E 4 (group b) 15 (group g) 0 (group 0)
F 4 (group b) 16 (group h) 0 (group 0)
Logical
Zone
Hardware Zone members
Z0 A, B, C, D, E, and F
Z3 A, B, C, and D
Z4 E and F
Z11 A
Z12 B
Z13 C
Z14 D
Z15 E
Z16 F
Now let’s assume the following 6 BKC-DIP Set commands were issued: