Thermal Care NQA13 - Page 58

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Table 18 – ModBUS RTU Option Parameters (Integral Values) - continued
Reg
Description
Read/Write
Notes
4011
LOW ALARM DELAY
R
4012
HI ALARM DELAY
R
4013
DISPLAY UNITS
R
0 = Deg F, 1 = Deg C
4014
CONTROLLER TYPE
R
0 = TCU, 1 = Chiller
4015
BROWNOUT ENABLED
R
0 = DISABLED, 1 = ENABLED
4016
AUTOTUNE ENABLED
R
0 = DISABLED, 1 = ENABLED
4017
SEAL SAVER ENABLED
R
0 = DISABLED, 1 = ENABLED
4018
REM HEAT COOL ENABLED
R
0 = DISABLED, 1 = ENABLED
4019
PURGE ENABLED
R
0 = DISABLED, 1 = ENABLED
4020
CRASH COOL ENABLED
R
0 = DISABLED, 1 = ENABLED
4021
FLOW ENABLED
R
0 = DISABLED, 1 = ENABLED
4022
NOT USED
X
4023
NOT USED
X
4024
REM SETPOINT ENABLED
R
0 = DISABLED, 1 = ENABLED
4025
AUTOSTART ENABLED
R
0 = DISABLED, 1 = ENABLED
4026
NOT USED
X
4027
COMM BAUD RATE
R/W
0 = 1200, 1 = 2400, 2 = 4800, 3 = 9600
4028
MODBUS ID
R/W
4029
CURRENTLY CONTROLLING
R
0 = NO, 1 = YES
4030
SPI ADDR
R/W
4031
MODICON FLOAT FORMAT
R
0 = NO, 1 = YES
4032
COMM TYPE
R/W
0 = NONE, 1 = MODBUS, 2 = SPI, 3 = PV REXMIT,4 = HAND HELD
DISPLAY
4033
COMP 2 ENABLED
R
0 = DISABLED, 1 = ENABLED
4034
HEAT COOL SWITCH DELAY
R
4035
DAC OUTPUT SPI0
R
16 bit value being sent to DAC card
4036
DAC OUTPUT SPI1
R
16 bit value being sent to DAC card
4037
DAC OUTPUT COMM
R
16 bit value being sent to DAC card
4038
PID OUT
R
-100 to 100 PID algorithm output
4039
MODBUS COMMAND
R/W
0 = Do Nothing, 1 = Start, 2 = Stop
4040
EXTENDED RANGE ENABLED
R
0 = DISABLED, 1 = ENABLED
ModBus Parity = None, Stop Bits = 1
Table 19 – ModBus RTU Option Parameters (Floating Point Values)
Reg
Description
Read/Write
Notes
8000
FREEZESTAT TEMPERATURE READING (°C)
R
Error Hi = 9.9E05, Error Low = -9.9E05
8002
SUPPLY WATER TEMPERATURE (°C)
R
Error Hi = 9.9E05, Error Low = -9.9E05
8004
RETURN WATER TEMPERATURE (°C)
R
Error Hi = 9.9E05, Error Low = -9.9E05
8006
N/A
R
Error Hi = 9.9E05, Error Low = -9.9E05
8008
N/A
R
8010
LOW DEVIATION (°C)
R/W
8012
HI DEVIATION (°C)
R/W
8014
LOW SETPOINT LIMIT (°C)
R
8016
HI SETPOINT LIMIT (°C)
R
8018
REXMIT RANGE LOW (°C)
R
8020
REXMIT RANGE HI (°C)
R
8022
LOW SAFETY TEMP USER (°C)
R/W
8024
HI SAFETY TEMP USER (°C)
R/W
8026
PROPORTIONAL BAND (°C)
R/W
Note: All temperatures are in °C regardless of unit display configuration.