TR80 - Installation and Operation Guide 48
2. Modbus only: With this setting, the occupancy button on the wall module is disabled.
Master controller determines the occupancy mode.
3. Modbus with override from button: In this case, the master controller determines the
occupancy mode based on a time schedule, presence detector and/or other inputs.
However, the user may be allowed to override the current mode using the occupancy
button.This allows user to select further modes such as holiday or bypass.
3. 10. 2 Occupancy control
Unless the very simple, button-only selection mode is being used, the master controller
should write its calculated occupancy mode to the ‘master occupancy mode’ register. This
is necessary for display, override functionality and to determine which overrides are
allowed. It would typically be occupied, unoccupied, standby or off.
The master controller should read the user selected occupancy mode from the ‘Effective
Occupancy Mode’ register. This is the register that reflects the current effective mode and
that is used for display on the wall module.
Register
type
Relative
Address
Absolute
Address
Dir Name
Config
parameter
Type Range
Default
value
Holding 2500 42501 R/W
Occupancy
Source
500 enum
0: Modbus only
1: Button only
2: Modbus & override
from button
0
Register
type
Relative
Address
Absolute
Address
Dir Name Type Range
Default
value
Holding 1500 41501 R/W
Master Occupancy
Mode
enum
0: unknown
1: not used
2: occupied
3: off
4: holiday
5: unoccupied
6: standby
7: bypass
0
Holding 1501 41502 R/W
User Occupancy
Mode
enum
0: auto
1: not used
2: occupied
3: off
4: holiday
5: unoccupied
6: standby
7: bypass
0
Input 500 30501 R
Effective
Occupancy Mode
enum
0: unknown
1: not used
2: occupied
3: off
4: holiday
5: unoccupied
6: standby
7: bypass
0
Input 501 30502 R
Occupancy
Override Status
enum
0: not overriden
1: overriden
0
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