Dantherm CDP 50 - RS-485 Interface; RS-485 Modbus RTU Functions; RS-485 Register Parameters

51
EN
RS-485 Interface
RS-485 Interface implements Modbus RTU protocol as slave device. Device doesn't have address .
Settings: 115200, N, 8, 1. and accepts requests to any address.
Code Functions
0x06 preset single register
0x10 preset multiple registers
0x03 read holding registers
Register Byte
Database
parameter
Min Max
De-
fault
Description
2
2
Comp_
state
0 1 0
Compressor state:
0 - Compressor stopped 1 - Compressor works
3 Fan_state 0 1 0
FAN state:
0 - FAN stopped 1 - FAN works
3
4 Sole_state 0 1 0
Solenoid valve:
0 - closed
1 - open
5 ExFan_state 0 1 0
Exhaust FAN state:
0 - FAN stopped
1 - FAN works
4
6 Heat1_state 0 1 0
Heater 1 state:
0 - Heater turned o
1 - Heater turned on
7 Heat2_state 0 1 0
Heater 2 state:
0 - Heater turned o
1 - Heater turned on
5
8
Alarm1_
state
0 1 0
Alarm 1 output:
0 - Alarm out turned o
1 - Alarm out turned on
9
Alarm2_
state
0 1 0
Alarm 2 output:
0 - Alarm out turned o
1 - Alarm out turned on
6
10
Evap_
temp1
(decimal)
-40 100 0
Temperature from evaporator 1:
decimal: may be used as integer value of
temperature
fraction: may be recalculated to value after
decimal point.
To get whole value use the equation in oat point
values "val = decimal + (fraction / 256)"
11
Evap_
temp1
(fraction)
-40 100 0