Honeywell HC900 User Manual page 58

Parameters accessible with Function Code 03, 06,10h
Loop Values
Fixed Fixed Parameter Name
Address Register
(hex) (decimal)
0064 0101 Reset #2
0066 0103 Rate #2
0068 0105 Cycle Time for Analog
Scan
006A 0107 LSP #1
006C 0109 LSP #2
006E 0111 Alarm #2 SP #1
0070 0113 Alarm #2 SP #2
0074 0117 SP Low Limit
0076 0119 SP High Limit
0078 0121 Working Set Point
007A 0123 Output Low Limit
007C 0125 Output High Limit
007E 0127 Output Working Value   
0086 0135 Ratio
0088 0137 Bias
008A 0139 Deviation
008E 0143 Manual Reset
0090 0145 Feed-forward Gain
0092 0147 Local Percent Carbon
Monoxide
0094 0149 Furnace Factor
0096 0151 Percent Hydrogen
0098 0153 On/Off Output
Hysterisis
009A 0155 Carbon Potential
Dewpoint
009C 0157 Three Position Step
Motor Time
00F7 0248 Enable/Disable Fuzzy 
00F8 0249 Demand Tune
Request
00F9 0250 Anti-soot set point limit
enable
00FA 0251 Auto/Manual State
50
Loop type
PID On/ Carb 3Pos AMB
Off
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HC900 Process Controller Communications User Guide
Access Notes
R/W Floating Point in Repeats/Minute or
Minutes/Repeat as configured in the HC900.
R/W Floating Point in Minutes
R Floating Point in Seconds

R/W Floating Point in Engineering Units
R/W Floating Point in Engineering Units.
R/W Floating Point in Engineering Units.

R/W Floating Point in Engineering Units.

R/W Floating Point in Engineering Units. Operator Limit
R/W Floating Point in Engineering Units. Operator Limit
R/W Floating Point in Engineering Units.
On a write to this register the instrument will update
the proper set point according to the loop's
currently selected set point.
R/W Floating Point in Engineering Units.

R/W Floating Point in Engineering Units.

R/W Floating Point in Engineering Units.

R/W Floating Point in Engineering Units.
R/W Floating Point in Engineering Units. Auto/Man bias

block, value is Read-Only
R Floating Point in Engineering Units.
(SP-PV)
R/W Floating Point in Engineering Units.
R/W Floating Point in Engineering Units.
R/W Floating Point in Engineering Units.
R/W Floating Point in Engineering Units.
R/W Floating Point in Engineering Units.
R/W Floating Point in percent of input span
R/W Floating Point in Engineering Units
R/W Floating Point in seconds
R/W Bit Packed
Bit 0: 0:Disable; 1:Enable
R/W Bit Packed (one shot action, activates autotuning
until autotuning completed)
Bit 0: 0:Off; 1:On
Bit 1-15: Unused
R/W Bit Packed
Bit 0: 0:Off; 1:On
Bit 1-15: Unused
R/W Bit Packed

Bit 0: 0:Manual; 1:Auto
Bit 1-15: Unused
Revision 13
April 2017