Instruction manual

PF2100
Modbus Card Instruction Manual v1.1
©2011 Profire Energy Inc
Jan 5, 2012
Page 20
Register #
Register Name
Values
30001/
40001
Run and Valve Status Bits:
Bit 1
–
RUN
0 = OFF
Bit 2
–
Pilot
0 = OFF
Bit 3
–
Low Fire
0 = OFF
Bit 4
–
High Fire
0 = OFF
30002/40002
Input Status and Flags
:
Bit 0
–
Level Input
0 = Closed
Bit 1
–
Main solenoid feedback
0 = Off
Bit 2
–
Pilot solenoid feedback
0 = Off
Bit 3
–
High Pressure Input
0 = Closed
Bit 4
–
Proof of Closure
0 = Closed
Bit 5
–
ESD Input
0 = Closed
Bit 6
–
Start Input
0 = Closed
Bit 7
–
Low Pressure
0 = Closed
Bit 8
–
Flame Detected
0 = No Flame
Bit 9
–
Flame Test Fail
0 = Flame Test OK
Bit 10
–
Unit failure
0 = Unit OK
Bit 11
–
Low or High voltage
0 = Voltage OK
Bit 12
–
HiTemp Alarm
0 = No Alarm
30003/40003
Process High Temperature
-
50 to +1350C
30004/40004
Process Temperature
-
50
to +1350C
30005/40005
Aux Temperature
-
50 to +1350C
30006/40006
Pilot Flame Quality
0% = No Flame,
100% = Good Flame
Command Register
This register is 16-bit in size and is read/write.
Register #
Register Name
Values
40100
Write Command Register
•
Set register to decimal “1234” to start unit
• Set register to decimal “4321” to stop unit
• Command Register will clear to 0 once the command has been accepted