
Rinnai
12
Commercial Controller OM
DDSTAT REGISTER
When setting up your controls monitoring interface, it is necessary to know the registry information to select the
data you wish to monitor.
All parameters are READ-ONLY.
When using MODBUS protocol please note:
•
MODBUS Data is Big-Endian
•
Temperatures are provided in fixed point
•
MODBUS Coils and Discrete inputs are not used
When using BACNET protocol please note:
• The device object contains parameters such as
version info, serial number, etc
•
Temperatures are in floating point
Refer to the tables below for registers and data points.
INPUT REGISTER INFORMATION
Category
Input
Register Function
Size (16
bit words) Value
BACNET
Product
information
30002 Product Set
1
DDSTAT
Included elsewhere
30004 Major Version
1
Firmware Major version
In Device Info
30007 Serial Number
2
In Device Info
Temperatures
30011 Tank thermistor temp.
1
decidegrees (e.g. 260 = 26.0 deg C) Analog Input
30012 Second thermistor temp.
1
decidegrees (e.g. 260 = 26.0 deg C) Analog Input
Pump Status
30021 Pump 1 Run Timer
2
Number of hours
Analog Input
30023 Pump 2 Run Timer
2
Number of hours
Analog Input
30031 Pump 1 state
1
on, off
Binary Output
30032 Pump 2 state
1
on, off
Binary Output
Fault status
30041 Fault state
1
true, false
Binary Value
30042 Pump 1 condition
1
e.g. working or failed
Binary Value
30043 Pump 2 condition
1
e.g. working or failed
Binary Value
30044 Tank Thermistor condition
1
e.g. working, open, short
Multi State Value
30045 Second Thermistor condition
1
e.g. working, open, short
Multi State Value
30047 Tank Temp Below Limit Fault
1
true, false
Binary Value
30048 Second Temp Below Limit Fault
1
true, false
Binary Value
HOLDING REGISTER INFORMATION
Category
Holding
Register Function
Size (16
bit words) Value
BACNET
Product
information
40001 Product Set
1
DDSTAT
Multi State Value
Specific
Configuration
40011 BMS relay normally open
1
open, closed
Binary Value
40022 Pump swap period
1
12 hours, 24 hours, 0 if not alternating Analog Value
40023 Pumps alternating
1
true, false
Multi State Value
40024 Interrupt Mode
1
interrupting, not interrupting
Multi State Value
40025 Interrupt Stop Time Seconds
1
seconds
Analog Value
40026 Interrupt Run Time Minutes
1
minutes
Analog Value
Thermistor
Configuration
40031 Tank thermistor enabled
1
true, false
Binary Value
40032 Second thermistor enabled
1
true, false
Binary Value
Set Points
40041 Tank Temp Set Point
1
degrees C
Analog Value
40042 Tank Temp Low Limit
1
degrees C
Analog Value
40043 Second Temp Low Limit
1
degrees C
Analog Value
DDSTAT OPERATION
Содержание DDPCDEL
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