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14
BAS-SVP046A-EN
Table 6. ACRB 350–500 tons network variable outputs
nv
Index
Configuration
Variable Name
Variable Type
Variable description
Delta to Send
(Notes)
SendHrdBt
Point Name
37
nvoOnOff
SNVT_switch
Chiller On / Off run state
any
♥
Chiller Running State
38
nvoActiveSetpt
SNVT_temp_p
Active Cool or Heat Setpt
0.10 °C
♥
Active Chilled Water
Setpoint
39
nvoActualCap
SNVT_lev_percent
Actual Running Capacity
of Unit
0.03
♥
Chiller Power
40
nvoCapacityLim
SNVT_lev_percent
Current Capacity Limit
Setting of Chiller
0.01
♥
Active Demand Limit
Setpoint
41
nvoLvgCHWTemp
SNVT_temp_p
Leaving Chilled Water
Temp
0.10 °C
♥
Evaporator Leaving Water
Temperature
42
nvoEntCHWTemp
SNVT_temp_p
Entering Chilled Water
Temp
0.10 °C
♥
Evaporator Entering Water
Temperature
44
nvoAlarmDescr
SNVT_str_asc
Alarm annunciation text
N/A
Diagnostic Last Message
45
nvoChillerstat
SNVT_chlr_stat
Chiller States , modes
any
♥
chiller_t (enum)
Chiller Running Status
CHLR_OFF
00 = Chiller off
CHLR_START
01 = Chiller in start
mode
CHLR_RUN
02 = Chiller in run mode
CHLR_PRESHUTDN
03 = Chiller in pre-
shutdown mode
CHLR_SERVICE
04 = Chiller in service
mode
hvac_t (enum)
Operating Mode
HVAC_COOL
03 = Cooling only
HVAC_FREE_COOL
0A = Cooling with
compressor not running
HVAC_ICE
0B = Ice-making mode
u8 (01234567)
in_alarm
bit 0 (MSB) = in alarm
mode
Diagnostic Present
run_enabled
bit 1 = run enabled
Run Enable
local
bit 2 = local
Local Setpoint Control
limited
bit 3 = limited
Capacity Limited
chw_flow
bit 4 = evaporator water
flow
Evaporator Water Flow
Status
Not Defined
bit 6 Not Defined
Not Defined
Not Defined
bit 7 Not Defined
Not Defined
46
nvoStatusOutputs
SNVT_state
Status Outputs
defined at element
♥
bits 0 – 7
Validity of bits 8 – 15
any
Reserved
bit 8
Max Capacity
any
Maximum Capacity Relay
bit 9
Head Relief Request
any
Head Relief Request
bit 12
Noise Reduction Active
any
Noise Reduction active
bit 15 (LSB)
Not Defined
Undefined
Not Defined
48
nvoCprsrsRunning
SNVT_state
Compressor Running
Outputs
defined at element
♥
bits 0 – 7
Validity of bits 8 – 15
any
Reserved
bit 8
Compressor A Running
any
Running Status
Compressor 1A
bit 9
Compressor B Running
any
Running Status
Compressor 1B
bit 11
Compressor D Running
any
Running Status
Compressor 2A
49
nvoEvapWtrPump
SNVT_switch
Evaporator Water Pump
Request
any
♥
Evaporator Water Pump
Command
50
nvoEvapWtrFlow
SNVT_switch
Evaporator Water Flow
Status5
any
♥
Evaporator Water Flow
Status