Rickard MCU 2 - Occupancy Mode (Status) - Multi-State Input 60-119; BMS Control Override - Multi-State Output 0-59; Occupancy Override - Multi-State Output 60-119

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RICKARD 2019
MLM INTEGRATION WITH BMS
Occupancy Mode (status) - multi-state input 60-119
The following table contains the occupancy mode inputs. These integer values are presented in decimal format
on the BMS front end. The string value can be read at the state_text_property for the specific point.
BMS control override - multi-state output 0-59
The MLM 24 system contains some BMS commands to force certain diffuser behaviour. These commands are
typically used for zone flush or emergency operations. The following table indicates the command (decimal) val-
ues:
Occupancy override - multi-state output 60-119
The following table contains occupancy override functions as set by the BMS.
Decimal
Value
Mode Descripon
1 Occupied
2 Unoccupied
Funcon Command
Descripon
Normal 1
No BMS command acve
Open 2
Drive Diffuser Open to pre‐set limit posion, heater off
Close 3
Drive Diffuser Close to pre‐set limit posion, heater off
Emergency 4
Emergency, this command will disable the heater output
Emergency
Open
5
Disable heater output and drive diffuser completely open
Emergency
Close
6
Disable heater output and drive diffuser completely closed
Backoff Acve 7
Acvate backoff dead‐band control
Max Heat 8
Drive diffuser to supply air max heat posion and switch heater max on
Decimal
Value
Mode Descripon
1 Occupancy normal (no override from BMS)
2 Override unoccupied
3 Override occupied