UM-15090500-AA1
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25
Lock Function Setup and Examples
The 16-bit binary encoded decimal register accessed through Lock [AV17] BACnet object and LOC
engineering menu item is used to enable/disable features in the thermostat. The first 10 bits are
used (bit 0 ~ bit 9), bits 10~15 are reserved/unused. Bits are represented by their decimal values
and are added or subtracted to toggle from “0” to “1”. Add a bit’s decimal value to toggle to “1” or
subtract a bit’s decimal value to toggle to “0”. See table below.
Bit Definition:
Decimal Value to Write:
Add decimal values to lock multiples. Bold decimal number is
the example value to write to Lock object. Examples:
0
: MODE button
(dec=1)
1
: DOWN button
(dec=2)
2
: UP button
(dec=4)
3
: FAN SPEED button
(dec=8)
4
: POWER On/Off button
(dec=16)
5
: SET (or
℃
/
℉
) button
(dec=32)
6
: ESI contact detection
(dec=64)
7
: Door/Window contact
detection (unused)
(unused)
8
: Modification for communication parameters
(dec=256)
i.e., baud rate, MAC addr, device inst.
9
: Control DOs by thermostat algorithm
(0) or BACnet sup. (1)
(dec=512)
10~15
: reserved/unused
(unused)
Bit Value:
0: Unlock / enable
1: Lock / disable
Unlock/enable all (
0
) – this will also enable ESI DI1
(add 64 to all values below to maintain default
occupancy selection over BACnet).
Lock MODE button (
1
)
Lock DOWN button (
2
)
Lock MODE & DOWN (
3
= 1+2)
Lock UP button (
4
)
Lock MODE & DOWN & UP (
7
= 1+2+4)
Lock FAN SPEED button (
8
)
Lock MODE & DOWN & UP & FAN (
15
= 1+2+4+8)
Lock POWER button (
16
)
Lock MODE & DOWN & UP & FAN & POWER (
31
=
1+2+4+8+16)
Lock SET button (
32
)
Lock MODE & DOWN & UP & FAN & POWER & SET
(
63
= 1+2+4+8+16+32)
ESI contact disable (
64
– default). When the default
value of 64 is maintained, occupancy is set over
BACnet and SET user button.
Lock MODE & DOWN & UP & FAN & POWER & SET
& disable ESI DI1 (
127
= 1+2+4+8+16+32+64)
Door/Window contact detection
(unused)
Lock the modification for communication parameters
such as baud rate and mac address (
256
)
Lock MODE & DOWN & UP & FAN & POWER & SET
& disable ESI DI1 & modification for communication
parameters (
383
= 1+2+4+8+16+32+64+256)
DOs control commanded by BACnet (
512
)
Содержание BASstat BAST-221C-BW2
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