SAVE MODBUS VARIABLE LIST 20210301 REV36
Table Of Contents
- 1 Information
- 2 Modbus variable list
- 2.1 Demand Control
- 2.2 User modes
- 2.3 Airflow Control
- 2.4 Outdoor Airflow Compensation
- 2.5 Temperature Control
- 2.6 Cooler
- 2.7 Heater
- 2.8 Extra Controller
- 2.9 Change-over (Heating/Cooling)
- 2.10 Moisture transfer control
- 2.11 Cooling recovery
- 2.12 ECO mode
- 2.13 Free Cooling
- 2.14 Week Schedule
- 2.15 Time and Date
- 2.16 Filter replacement
- 2.17 Analog Input values (Temperatures, CO2, RH)
- 2.18 Digital Input functions
- 2.19 Output values
- 2.20 Alarms
- 2.21 System settings
- 2.22 Modbus
- 2.23 Unit Backups
- 3 Revision table
10
| Modbus variable list
Symbolic register name
Sig.
Modbus Reg. type Mod-
bus
Adr.
Min Max Description
REG_TC_CASCADE_SP
I*
Holding Register
(Function 03/06/16)
2013 120 400
Temperature set point for SATC, as
calculated by RATC/EATC during cascade
control
REG_TC_ROOM_CTRL_SP_SATC
I*
Read Input Register
(Function 04)
2053 120 400
Temperature set point for SATC, as
calculated by RATC/EATC during cascade
control
REG_TC_CASCADE_SP_MIN
I*
Holding Register
(Function 03/06/16)
2021 120 400
Minimum temperature set point for the
SATC
REG_TC_CASCADE_SP_MAX
I*
Holding Register
(Function 03/06/16)
2022 120 400
Maximum temperature set point for the
SATC
REG_TC_EAT_RAT_SP
I*
Read Input Register
(Function 04)
2051 120 400
EAT or RAT value, used for room/extract air
controller.
REG_SATC_HEAT_DEMAND I
Read Input Register
(Function 04)
2055 0 100
Output of the SATC (0-100%)
REG_SATC_PI_SP
I*
Read Input Register
(Function 04)
2061 120 300
SATC setpoint value
REG_SATC_PI_OUTPUT
I*
Read Input Register
(Function 04)
2069 0 100
SATC output signal
REG_ROOM_CTRL_PI_SP
I*
Read Input Register
(Function 04)
2071 120 300
RATC setpoint value
REG_ROOM_CTRL_PI_OUTPUT
I*
Read Input Register
(Function 04)
2079 0 100
RATC output signal
2.6 Cooler
Symbolic register name
Sig.
Modbus Reg. type Mod-
bus
Adr.
Min Max Description
REG_COOLER_FROM_SATC I
Read Input Register
(Function 04)
2311 0 100
Cooler signal
REG_COOLER_OAT_INTERLOCK_T I
Holding Register
(Function 03/06/16)
2316 120 250
Temperature at which cooling is interlocked
REG_COOLER_CIRC_PUMP_START_T I
Holding Register
(Function 03/06/16)
2314 0 200
Temperature at which the cooler circulation
pump is started
REG_COOLER_CIRC_PUMP_STOP_DELAY I
Holding Register
(Function 03/06/16)
2317 0 60
Off time delay for the cooler circulation
pump in minutes
REG_OUTPUT_Y3_CIRC_PUMP I
Read Input Register
(Function 04)
14302
Cooler circulation pump output
REG_OUTPUT_Y3_ANALOG I
Read Input Register
(Function 04)
14201 0 100
Cooler AO state.
REG_OUTPUT_Y3_DIGITAL I
Read Input Register
(Function 04)
14202 0 1
Cooler DO state:
0: Output not active
1: Output active
2.7 Heater
Symbolic register name
Sig.
Modbus Reg. type Mod-
bus
Adr.
Min Max Description
REG_HEATER_CIRC_PUMP_START_T
I*
Holding Register
(Function 03/06/16)
2113 0 200
Temperature at which the Heater circulation
pump is started
REG_HEATER_CIRC_PUMP_STOP_DELAY I
Holding Register
(Function 03/06/16)
2122 0 60
Off time delay for the heater circulation
pump in minutes
REG_OUTPUT_Y1_CIRC_PUMP I
Read Input Register
(Function 04)
14301
Heating circulation pump output
REG_SPEED_ELECTRICAL_HEATER_HOT_
COUNTER
I
Read Input Register
(Function 04)
1357
Electrical Heater hot counter. Count down
from 120 sec.
REG_FAN_SPEED_AFTER_HEATER_
COOLING_DOWN_SAF
I
Read Input Register
(Function 04)
1358 0 100
Supply Air Fan Speed Level After Heater
Cooling Down
REG_FAN_SPEED_AFTER_HEATER_
COOLING_DOWN_EAF
I
Read Input Register
(Function 04)
1359 0 100
Extract Air Fan Speed Level After Heater
Cooling Down
| 2.1