REGISTER
ADDRESS
(OFFSET) NAMES AND VALUES DESCRIPTION VER.
10023
(22)
Start Input
0 = Closed
1 = Open
The Start Input bit shows the state of the Start Input. When the Start Input is closed (normal condi-
tion), the Start Input bit is clear. When the Start Input is open, (unit off), the bit is set.
2.0+
10024
(23)
Low Pressure
0 = Closed
1 = Open
The Low Pressure Input bit shows the state of the Low Pressure Input. When the Low Pressure In-
put is closed (normal condition), the Low Pressure Input bit is clear. When the Low Pressure Input
is open (alarm condition), the bit is set.
2.0+
10025
(24)
Flame Detected
0 = No Flame
1 = Flame Detected
The Flame Detected bit shows the state of the flame detection circuitry. When there is no flame
or the flame does not meet minimum requirements, the bit is clear. When the flame meets or
exceeds the minimum flame detection requirements, the bit is set.
2.0+
10026
(25)
Flame Test Fail
0 = Flame Test OK
1 = Flame Test Failed
The Flame Test Fail bit shows the state of the flame test system. The flame detection circuitry is
does a self test every 1.2 seconds, if the flame test is OK the Flame Test Fail bit is off. If the flame
test fails, the Flame Test Fail bit will be on.
2.0+
10027
(26)
Unit Failure
0 = Unit OK
1 = Unit Failed
The Unit Failure bit shows the state of the unit self tests. During operation the unit does many self
tests and verifications of the internal operation of the unit. If the unit is passing these tests, the Unit
Failure bit is clear. If any of the tests fail, the Unit Failure bit will be set.
2.0+
10028
(27)
Low or High Voltage
0 = Voltage OK
1 = Voltage Bad
The Low or High Voltage bit shows whether the voltage applied to the controller is within accept-
able limits. If the voltage is within limits, the Low or High Voltage bit is clear. If the voltage is out of
limits, the bit is set.
2.0+
10029
(28)
HiTemp Alarm
0 = No Alarm
1 = Alarm
The HiTemp Alarm shows the state of the High Temperature Shutdown. If the process temperature
is below the High Temperature Shutdown limit, the bit is clear. If the High Temperature Shutdown
limit is exceeded, the bit will be set.
2.0+
10030
(29)
4-20 Alarm
0 = No Alarm
1 = Alarm
The 4-20 Alarm bit is set whenever one or more bits are set in register 30014/40014. This could
mean any of the following: The level or pressure inputs are below their respective low setpoints,
above their respective high setpoints, disconnected, or there is a hardware failure on the 4-20 card.
2.0+
10033
(32)
Level Input (Latched) Latched version of 10017. 4.3+
10034
(33)
Main Solenoid Feedback
(Latched)
Latched version of 10018. 4.3+
10035
(34)
Pilot Solenoid Feedback
(Latched)
Latched version of 10019. 4.3+
10036
(35)
High Pressure Input
(Latched)
Latched version of 10020. 4.3+
10037
(36)
Proof of Closure
(Latched)
Latched version of 10021. 4.3+
10038
(37)
ESD Input (Latched) Latched version of 10022. 4.3+
10039
(38)
Start Input (Latched) Latched version of 10023. 4.3+
10040
(39)
Low Pressure (Latched) Latched version of 10024. 4.3+
10041
(40)
Flame Detected
(Latched)
Latched version of 10025. 4.3+
10042
(41)
Flame Test Fail (Latched) Latched version of 10026. 4.3+
10043
(42)
Unit Failure (Latched) Latched version of 10027. 4.3+
10044
(43)
Low or High Voltage
(Latched)
Latched version of 10028. 4.3+
10045
(44)
HiTemp Alarm (Latched) Latched version of 10029. 4.3+
10046
(45)
4-20 Alarm (Latched) Latched version of 10030. 4.3+
www.profireenergy.com
1-855-PRO-FIRE
PF2100 MODBUS REGISTER MAP | PROFIRE ENERGY INC.
(9 pages)
(97 pages)
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