EM-LON Operating Manual / Leaflet no. M375EV4 (3/2013)
7
5
LonWorks network variables
Name of variable
Data type
FH
RR
TA
M
RR RMF
T
AM RMF
Meaning
nviManOverride
SNVT_hvac_overid
x¹
x
x
Operating mode default setting for controller or room
nviMode
SNVT_state
x¹
x
x
Operating mode default setting for controller or room
nviOccCmd
SNVT_occupancy
x¹
x
x
Operating mode default setting for controller or room
nviManOP_Disable
SNVT_switch
x¹
x
x
Enabling/disabling manual control
nviVolOffset_T
SNVT_switch
x
x
Signalling of flow rate setpoint change for temp. control
nviVolOffset_P
SNVT_switch
x
x
Signalling of flow rate setpoint change for diff. pressure control
nviPressSetSel
SNVT_switch
x
x
Switching between differential pressure setpoint values 1 and 2
nvoManOverride
SNVT_hvac_overid
x
x
x
Current operating mode for a single controller
nvoManOverride_R
SNVT_hvac_overid
x
x
Current operating mode for the room
nvoMode
SNVT_state
x
x
x
Current operating mode for a single controller
nvoMode_R
SNVT_state
x
x
Current operating mode for the room
nvoOccCmd
SNVT_occupancy
x
x
x
Current operating mode for a single controller
nvoOccCmd_R
SNVT_occupancy
x
x
Current operating mode for the room
nvoVolflowSet
SNVT_flow
x
x
x
Volume flow rate setpoint value for the controller
nvoVolflowAct
SNVT_flow
x
x
x
Volume flow rate actual value for the controller
nvoVolTotalExh
SNVT_flow
x
x
x
x
x
Total extract air for the room
nvoVolTotalSup
SNVT_flow
x
x
x
x
x
Total supply air for the room
nvoPressSet
SNVT_press_p
x
x
Differential pressure setpoint value for the room
nvoPressAct
SNVT_press_p
x
x
Differential pressure actual value for the room
nvoLocalAlarm
SNVT_switch
x
x
x
x
x
Single controller alarm
nvoSummaryAlarm
SNVT_switch
x
x
Consolidated alarm for the room
nvoPressAlarm
SNVT_switch
x
x
Differential pressure alarm
nvoVelocitySet
SNVT_speed_mil
x
Face velocity actual value
nvoVelocityAct
SNVT_Count
x
Face velocity setpoint value
nvoSwitchPos
SNVT_switch
x
Sash position (stage 1,2,3)
nvoWireSensorPos
SNVT_switch
x
Sash position (sash opening %)
nvoDampPos
SNVT_switch
x
x
x
Damper blade position of single controller
nvoDampPosMax_FH
SNVT_switch
x
x
x
x
x
Evaluated damper blade position for fume cupboards – max
nvoDampPosMin_FH
SNVT_switch
x
x
x
x
x
Evaluated damper blade position for fume cupboards – min
nvoDampPosMax_RE
SNVT_switch
x
x
x
x
x
Evaluated damper blade position, extract air – max
nvoDampPosMin_RE
SNVT_switch
x
x
x
x
x
Evaluated damper blade position, extract air – min
nvoDampPosMax_TE
SNVT_switch
x
x
x
x
x
Evaluated damper blade position, total extract air – max
nvoDampPosMin_TE
SNVT_switch
x
x
x
x
x
Evaluated damper blade position, total extract air – min
nvoDampPosMax_RS
SNVT_switch
x
x
x
x
x
Evaluated damper blade position, supply air – max
nvoDampPosMin_RS
SNVT_switch
x
x
x
x
x
Evaluated damper blade position, supply air – min
FH: Fume cupboard controller
RR: Room controller for supply air or extract air
TAM: Adapter module
RR RMF: Room controller with active room management function
TAM RMF: Adapter module with active room management function
¹ only for individually selected operating mode (stand-alone operation)
Overview of data points for EM-LON LonWorks interface, firmware version 1.0
