8
MODBUS Installation and Operation Manual
HT# 059266-00A
MUlTI-MOD PlaTInUM MODBUS VarIaBle lIST
Multi-MOD
reg /
VarIaBle#
DeSCrIPTIOn
MUlT
(if not 1)
UOM
range / STaTeS / SPeCIal
ValUeS
reaD
Only
1 – 3
Model
X
4 – 13
Serial Number
20 Character string
X
14
Firmware Version
100
X
(15-16) through
(53-54)
♦4
Stage Run-Time
♦4
(Stages 1-20)
(Two registers per stage)
Minutes
0 - 2,147,483,647
X
55
Outdoor Cutoff Temp
°C, °F
-6 - 38°C (-7=OFF, 39=ON)
20 - 100°F (19=OFF, 101=ON)
56 through
75
Ignition Level(Stages 1-20)
%
1 - 50
76
Modulation Gain
20
none
-10 - +10 (non process),
1 .0 - 10 .0 (process temp),
0 .25 - 20 .0(process psi)
77
Heat/Cool Mode
0=heat, 1=cool
78
High Fire Hold
Minutes
0 - 60
79
Input Mode
0=°F, 1=°C,
2=15psi, 3=30psi, 4=100psi,
5=200psi, 6=300psi,
7=HWR,
8=Reset °F, 9=Reset °C
X
80
Lead Stage
0 - 19 = A - T
81
Pre-purge Delay
10
Minutes
0 .0 - 10 .0
82 through
101
Lockout Input(Stages 1-20)
0=(inactive),
1=Lockout,
2=Comm Error
X
102
Last Stage Hold
10
Psi,
Psi,
°C,
°F
0 - 3 .0psi
0 - 30psi,
°C,
°F
103 through
122
Manual Modulation Level(Stages 1-20)
%
0 - 100
123
Maximum Stages
none
4 - 20
X
124
Minimum Target
°C,
°F
21 - 68°C,
70 - 180°F
125 through
144
Stage Mode(Stages 1-20)
0=Auto, 1=Standby, 2=Manual,
3=Off, 4=On
145 through
164
Modulation Start Point(Stages 1-20)
%
0 - 99
165 through
184
Modulation Output Trim(Stages 1-20)
10
none
-1 .0 - +1 .0
185
Outdoor Sensor
°C,
°F
-40 - +122°C, -40 - +250°F
(32000=Open, 32001=Shorted)
X
186
Outdoor Sensor Trim
°C, °F
-5 - +5
187
Offset Temp
°C,
°F
-28 - +28°C,
-50 - +50°F
188
Panel Date
Days since
1/1/1981
0 – 36,500
189
Panel Time
Minutes
since 0:00
0 – 1439
(1440='not set’)