EIO
-55
11
(-40.0..302.0°F)
101
External Temperature Measurement (Resistive
Signed 16
-400...3020
-40.0...150.0°C
Input 1)
(-40.0..302.0°F)
102
Underfloor Temperature Measurement
Signed 16
-400...3020
-40.0...150.0°C
(Resistive Input 2)
(-40.0..302.0°F)
103
Current Calculated Setpoint (°C)
Signed 16
-400...3020
-40.0...150.0°C
(-40.0..302.0°F)
104
Thermostat Current Mode
Unsigned 16
0..3
0 = Comfort
1 = ECO
2 = Frost
3 = Boost
105
Relative Humidity Measurement (with RH
Unsigned 16
0..1000
0..100.0 %rH
option)
106
Alarm State
Unsigned 16
0..256
Bit 0 - Interal NTC
Bit 1 - RI1
Bit 2 - RI2
Bit 3 - Humidity Sensor
Bit 4 - DI1
Bit 5 - DI2 (Not Applicable)
Bit 6 - Time Lost
107
Discrete Input Registers (Bit 0 = DI1, Bit1 =
Unsigned 16
0..65,535
N/A
Relay, Bit 2 = Holiday etc.)
200
Firmware Version
Unsigned 16
N/A
N/A
FUNCTION CODE 03 - READ HOLDING REGISTERS
FUNCTION CODE 06 - WRITE SINGLE HOLDING REGISTER
FUNCTION CODE 16 - WRITE MULTIPLE HOLDING REGISTERS
100
Nominal Setpoint
Unsigned 16
0...950
0.0...95.0 °F (Default 70.0°F)
101
ECO Heating Setpoint
Unsigned 16
0...950
0.0...95.0 °F (Default 60.0°F)
102
ECO Cooling Setpoint
Unsigned 16
0...950
0.0...95.0 °F (Default 82.0°F)
103
Frost Setpoint
Unsigned 16
0...950
0.0...95.0 °F (Default 64.0°F)
Register
Parameter Description
Data Type
Raw Data
Range
104
Minimum Setpoint
Unsigned 16
0...950
0.0...95.0 °F (Default 57.0 °F)
105
Maximum Setpoint
Unsigned 16
0...950
0.0...95.0 °F (Default 86.0 °F)
106
Hysteresis
Unsigned 16
0..200
0.0..20.0 °F (Default 1.8°F)
107
Rin1 Remote Temperature Sensor Mode
Unsigned 16
0..3
0
= Disabled (Default)
1
= Main Temperature Control
2
= Outdoor Temperature (Display)
3
= System (networked solutions)
108
Rin2 Underfloor Temperature Sensor Mode
Unsigned 16
0..3
0
= Disabled (default)
1
= Min-Max Control
2
= Outdoor Sensor
3
= System (networked solutions)
109
Control Type
Unsigned 16
0..2
0
= Heating Control (default)
1
= Cooling Control
2
= Heating/Cooling Change-Over
110
Min Floor Temp Limit
Unsigned 16
0...950
0.0...95.0°F (Default 64.0°F)
111
Max Floor Temp Limit
Unsigned 16
0...1220
0.0...122.0°F (Default 86.0°F)
112
Floor Limit Hysteresis
Unsigned 16
0...100
0.0..10.0 (default 1.8)
113
Digital Input Mode
Unsigned 16
0..7
0
= Disabled
1
= Close for ECO (Default)
2
= Open for ECO
3
= Close for OFF/FROST
4
= Open for OFF/FROST
5
= Heating / Cooling Mode
6
= Digital Input Alarm
7
= Network
114
Digital Input Delay
Unsigned 16
0..7200
0..7200 seconds (Default 0s)
115
Enable Lights Symbol
Unsigned 16
0..1
0
= Disabled (default)
1
= Enabled
116
Enable AC Symbol
Unsigned 16
0..1
0
= Disabled (default)
1
= Enabled
117
Power Up
Unsigned 16
0..1
0
= Thermostat On when power
