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Andivi – TRC-D – Technical Manual
READ/WRITE hOLDING REGISTER (FUNCTION CODE 03/06/16/23)
Function
Register
code
address
03/06/16/23
1
03/06*/16*/23*
2
03/06/16/23
3
03/06/16/23
4
03/06/16/23
5
03/06/16/23
6
03/06/16/23
7
03/06/16/23
8
03/06/16/23
9
03/06/16/23
10
03/06/16/23
11
03/06/16/23
12
03/06/16/23
13
03/06/16/23
14
03/06/16/23
15
03/06/16/23
16
03/06/16/23
17
03/06/16/23
18
03/06/16/23
19
03/06/16/23
20
03/06/16/23
21
03/06/16/23
22
03/06/16/23
23
03/06/16/23
24
03/06/16/23
25
03/06/16/23
26
03/06/16/23
27
03/06/16/23
28
03/06/16/23
29
03/06/16/23
30
03/06/16/23
31
03/06/16/23
32
03/06/16/23
33
03/06/16/23
34
03/06/16/23
35
03/06/16/23
36
16
08/14, fw. ver. V1.2, V1.3
Description
SP
Heating/Cooling mode (*"Command write" only for
Cooling or Heating mode selectable type)
Fan mode
Protect (PROT) Cooling set-point
Protect (PROT) Heating set-point
LOCK
Locking buttons and functions
Baud rate
Data/Parity/Stop bits
Modbus node ID
°C / °F
Type of room controller
Deadband for Cooling/Heating valve control
Not used
Stage differential
Low limit for temperature set-point
High limit for temperature set-point
PROTECT contact definition
Offset for built-in temperature sensor
Sensor
Proportional band for fan control
Not used
Lowest fan speed used for fan auto mode
Display present value of temperature or set-point
for normal displaying
Present temperature to anti-freezing
Anti-Freezing Protection
Not used
Sensor suffocating time
ECONOMY contact definition
Offset for external temperature sensor
Economy (ECON) Cooling set-point
Economy (ECON) Heating set-point
Fan off delay
Not used
Not used
Not used
Not used
Definition
0~500 (0~50.0°C)
0: Cool / 1: Heat
0: Off / 1: Manual Stage I / 2: Manual Stage II /
3: Manual Stage III / 4: Auto
°C: 200~400 (20.0~40.0°C) / °F: 680~1040 (68.0~104.0°F)
°C: 0~250 (00.0~25.0°C) / °F: 320~770 (32.0~77.0°F)
Bit Value:
0: Unlock / enable
1: Lock / disable
Bit Definition (Low Byte):
0: Local PROTECT
detection
1: MODE button
2: UP/DOWN buttons
3: FAN SPEED button
4: POWER ON/OFF button
5: Local ECONOMY
detection
6: Engineer mode
7: Not used
0: 2400 / 1: 4800 / 2: 9600 / 3: 19200
0: 8O1 / 1: 8E1 / 2: 8N1 / 3: 8N2
1~255
0: °C / 1: °F
0: E type / 1: B type / 2: C type
°C: 0~100 (0~10.0°C) / °F: 0~180 (0~18.0°F)
°C: 1~10 (0.1~1.0°C) / °F: 1~18 (0.1~1.8°F)
°C: 0~500 (0~50.0°C) / °F: 320~1220 (32.0~122.0°F)
°C: 0~500 (0~50.0°C) / °F: 320~1220 (32.0~122.0°F)
0: N.O. / 1: N.C
°C: -90~90 (-9.0~9.0°C) / °F: -170~170 (-17.0~17.0°F)
0: Built-in / 1: Remote / 2: Built-in + Remote
(average)
°C: 0~100 (0~10.0°C) / °F: 0~180 (0~18.0°F)
0: Stop / 1: Low speed
0: Display PV / 1: Display SP
°C: 0~150 (0~15.0°C) / °F: 320~1220 (32.0~122.0°F)
0: Off / 1: On
0~20 seconds
0: N.O. / 1: N.C
°C: - 90~90 (-9.0~9.0°C) / °F: -170~170 (-17.0~17.0°F)
°C: 200~400 (20.0~40.0°C) / °F: 680~1040 (68.0~104.0°F)
°C: 0~250 (00.0~25.0°C) / °F: 320~770 (32.0~77.0°F)
0~600 s
Examples:
0: Unlock / enable all
1: Disable Local
PROTECT
2: Lock MODE
button
3: Both 1 and 2
4: Lock UP/DOWN
button
5: Both 1 and 4
7: 1, 2, and 4
8: Lock FAN SPEED
button
16: Lock POWER
button
127: Lock/disable all