Modbus RT U D ata Po ints and Configur ation Proper ty Definitions
The T r acer U C800 contro ll e r is an eq uipm e n t un it con t ro ll er w hich p r o v i d es the
equ i p m e nt system quen ces and per f orms cl od-l oop cont rol. In a ddition, t h e UC800
inte grates with other Mod bus systems a nd dev i ces usin g Mo dbus R T U prot ocol. Th is
ction includ es inf o rmat ion abou t:
B aud rate, pa rity, an d sup por t e d c h ara c t e r t s
D ata points description s an d con f igura t ion s
Pr ot ocol: Baud Rat e, P ari ty, and Suppor t e d Char acter Sets
Baud Rat e
300, 1200, 2400, 4800, 9600, 19200 (de f a u l t), 38400, 57600 o r 115200
Pa ri t y
Eve n (defau l t) or None
St op Bits
Stop b i t s a r e def i ned by t h e pa rity t t in gs. If th e parit y is Eve n, th en th e st op b i t i s1
(default). If the pa ri ty is No ne, t h en t h e stop bit is 2.
Data Po ints Descr iptions and Configur ations
Holding Regist ers- Read/Wr it e (Sor t ed by Regist er)
This fun c t i on code is ud t o rea d th e cont ent s o f a con t iguou s b l ock of holding re gist er s
in a re mo te d e vi ce.
Register Object Name Register Register Type Register Value Va li d R a ng e
BAS
BAS Chiller Auto Stop Command 40001
Binary
0,1
BAS
BAS Chiller Mode Command 40002
Enumeration
0=cool
1=heat
2=ice
3=free cool
BAS
日式鸡蛋卷BAS Chilled Water Setpoint 40003
Temperature
-17.78¡ãto 23.9¡ã
(depending on installed
options)
BAS
BAS Current Limit Setpoint 40004
Percent
0100
BAS
BAS Hot Water Setpoint 40005
Temperature
26.7¡ãto60¡ã
Input Regist ers-Read Only (Sor t ed by Regist er)
Register Object Name Register Register Type(a) Register Value
Chiller Running 30003
Binary
Average Line Current 30004
Percent
Evap Leaving Water Temp 30011
Temperature
孔雀苗Evap Entering Water Temp 30012
Temperature
Cond Entering Water Temp 30013
Temperature
Cond Leaving Water Temp 30014
Temperature
Evaporator Water Flow 30016
Binary
研发部英文
Register Object Name Register Register Type(a) Register Value
Condenr Water Flow 30020
Binary
Second Condenr Ent Wtr Temp 30023
Temperature
Second Condenr Lvg Wtr Temp 30024
Temperature
Chiller Running Status 30026
Enumeration
0=/
off/idle (auto)
1=starting
2=running
3=stopping
4=
needs rvice (stop or
diagnostic lockout)
Chiller Control Mode 30027
Enumeration
0=cool
1=heat
2=ice
3=free cool
Setpoint Source 30028
Enumeration
0=BAS++
BAS+external+local
1=+
external+local
2=local
Alarm Prent 30047
Binary
Register Object Name Register Register Type(a) Register Value你说我说
Compressor Running 30055
Binary
Evap Rfgt Pressure 30056
Pressure
Condenr Rfgt Pressure 30057
Pressure
Differential Refrigerant Pressure 30058
Pressure
Oil Tank Pressure 30059
Pressure
火影忍者电脑壁纸Oil Pump Discharge Pressure 30060
Pressure
Oil Differential Pressure 30061
翠色欲流Pressure
Oil Tank Pressure 30062
Temperature
Evap Sat Rfgt Temp 30063
Temperature
Cond Sat Rfgt Temp 30064
Temperature
Compressor Refrigerant Discharge Temperature 30065
Temperature
AB
Starter Volage Pha AB 30090
Voltage
BC
Starter Voltage Pha BC 30091
Voltage
CA
Starter Voltage Pha CA 30092
Voltage
Starter Average Pha Voltage 30093
Voltage
L1
Starter Current L1 30094
Current
L2
Starter Current L2 30095
Current
L3
Starter Current L3 30096
Current
Average Starter Pha Current 30097
Current
L1
Starter Current L1 30098
Percent
L2
Starter Current L2 30099
Percent
L3
Starter Current L3 30100
Percent
Average Starter Pha Current 30101
Percent Motor
#1
Motor Winding Temp#1 30106
麦当劳官网
Temperature
#2
Motor Winding Temp#2 30107
Temperature
#3
Motor Winding Temp#3 30108
Temperature
(a)Refer to the Determining Input Register Type table below.
(b)Refer to the Diagnostic Codes and Descriptions listing below.
Det er m ining Input Register T ype
Register Type Data Format Units
Binary u16
0 = fal/off/no/disabled,
1 = true/on/yes/enabled
Concentration
u16 PPM
Current
U16 Amps
高热量食物一览表Enumeration
u16 NA
Flow, Air
u16 Liters/Second
Flow, Water
u16 Liters/Minute
Frequency
u16 0.1 Hz (600 = 60 Hz)
Percent
s16 0.005% (20000 = 100%) Power u16 kW (3517 = 1000 Tons) Power Factor s16 0.005 (200 = 1) Pressure u16 0.1 kPa absolute
Temperature s16 0.01 ¡ã (Register value =100 = 1) Time Interval u32 Seconds
Voltage u16 Volts
None u16 NA
