List of Modbus Registers

Decimal Address	Register Name	Access	Description	Persistence
0	VERSION AND MODULE TYPE	Read	LSB – type (device ID), MSB - FW version / 10	YES
1	MODULE ADDRESS	Read/write	Modbus address setting via Modbus from 1 to 255	YES
2	BAUD RATE AND PROTOCOL	Read-only	Not used. Use registers from 135 to 138	YES
3	COUNTER OF RECEIVED FRAMES (32-Bit)	Read-only	Default state is 0. Counting the received Modbus frames from the last powering up or module reset.	YES
4	0x004	Read-only		YES
5	COUNTER OF FRAMES WITH ERROR (32-Bit)	Read-only	Default state is 0. Counting the incorrect received Modbus frames from the last powering up or module reset.	YES
6	0x006	Read-only		YES
7	COUNTER OF SENT FRAMES (32-Bit)	Read-only	Default state is 0. Counting the sent Modbus frames from the last powering up or module reset.	YES
8	0x008	Read-only		YES
11	UP TIME	Read-only	This 32-bit register contains module counting time in seconds from the last powering up or module reset	NO
12	0x00A	Read-only		NO
135	BAUD RATE	Read/write	Transmission speed is defined by the user calculated using the formula: baud rate = register value x 10. The default value is 960 (9600 bps).	YES
136	STOP BitS	Read/write		YES
137	DATA BitS	Read/write	Supported values are 7 and 8. The default value is 8.	YES
138	PARITY Bit	Read/write	Parity bit. The default value is 0 (no parity). Allowed values: 0 (default): none, 1: odd, 2: even	YES
139	RESPONSE DELAY	Read/write	Delay in ms before sending the response. The default value is 0.	YES
300	SYSTEM CONFIGURATION	Read/write	Actuator model	YES
1005	TYPE OF CONTROL	Read/write	Select the actuator type of control: 0: Modbus (DIP switch disabled) 1: 10 V (DIP switch disabled) 2: 2-10 V (DIP switch disabled) 3: 0 5 V (DIP switch disabled) 4: 5-10 V (DIP switch disabled) 5: 2-6 V (DIP switch disabled) 6: 6-10 V (DIP switch disabled) 7 (default): selected by DIP switch	YES
1006	Direct/Reverse & Failsafe Direction Setting	Read/write	Select the actuator's action (direct or reverse) and fail-safe direction: Bit 0: direct action (1-default); reverse action (0) Bit 1: fail-safe DOWN (1); fail-safe UP (0-default)	YES
1007	FORCE CALIBRATION	Read/write	Force calibration (valve stroke learning); 1 - force calibration (automatic reset of value after calibration)	NO
1008	JUMPER ENABLE (ER board)	Read/write	Fail-safe jumper enable setting: 0 (default) - jumper enabled, 1 - jumper disabled	YES
1009	CHANGEOVER SETTING	Read/write	Temperature loops action selection: 0 (default): heating 1: cooling 2: automatic (according ∆T)	YES
1010	TEMPERATURE PROBE SELECTION	Read/write	Temperature probe selection: 0 (default): supply temperature (T1) 1: return temperature (T2) 2: ∆T	YES
1013	FUNCTIONS ENABLE	Read/write	Actuator function setting (0-disable - default): Bit 0: enable temperature control function Bit 1: enable min. ΔT limitation function Bit 2: enable function max. temperature limitation function Bit 3: enable function min. temperature limitation function	YES
1014	FUNCTIONS STATUS	Read-only	Actuator function setting: Bit 0: function temperature control activated (1-active) Bit 1: function temperature min. ΔT limit activated Bit 2: function temperature max. limit activated Bit 3: function temperature min. limit activated	NO
1015	% Minimum Opening Valve (Temperature loops)	Read/write	Set minimum opening valve when the temperature loops and limits are active.	YES
1016	DIP Switch & Push Button & Jumper STATUS	Read-only	DIP switches and jumper status: Bit 0: DIP1 status: "Direct Action (OFF) - Reverse Action (ON)" Bit 1: DIP2 status: "Modulating Control (OFF) - Not Used (ON)" Bit 2: DIP3 status: "Normal Operation (OFF) - Bootloader (ON)" Bit 3: DIP4 status: "0-10 V" (OFF) - "2-10 V" (ON)" Bit 4: DIP5 status: "Not Used" Bit 5: DIP6 status: "Voltage Control (OFF)" - Current Control (ON)" Bit 6: Push button: status: "Active" (Pressed) - Not Active (Released) Bit 7: Jumper status: "Fail-safe Down" (Jumper Insert) -" Fail-safe UP"	NO
1018	VALVE STROKE (mm*100)	Read/write	Valve stroke (mm*100) - after calibration phase	YES
1019	OVERVOLTAGE EVENTS (24 V AC > 20%) (230 V > 10%)	Read/write	Overvoltage events (24 V AC > 20%) (230 V > 10%)	YES
1020	UNDERVOLTAGE EVENTS (V AC < 20%) (230 V < 10%)	Read/write	Undervoltage events (V AC < 20%) (230 V < 10%)	YES
1021	FULLY OPEN EVENTS	Read/write	Fully opened events	YES
1022	FULLY CLOSE EVENTS	Read/write	Fully closes events	YES
1023	UNEXPECTED STALL CONDITION EVENTS (within calculated stroke)	Read/write	Unexpected stall condition events (within calculated stroke)	YES
1024	UNEXPECTED STALL CONDITION EVENTS (outside calculated stroke)	Read/write	Unexpected stall condition events (outside calculated stroke)	YES
1025	VALVE STROKE ERROR > max. (60 mm)	Read/write	Valve stroke error > max. (60 mm)	YES
1026	VALVE STROKE ERROR < min. (5 mm)	Read/write	Valve stroke error < min. (5 mm)	YES
1027	ACTUATOR OPERATING MODE	Read-only	Actuator operating mode (0 - not active) (1- active): Bit 0: Normal Running Bit 1: Init Position Phase Bit 2: Learning Phase Bit 3: Fail Safe Phase Bit 4: Error Phase Bit 5: Manual Override Phase	NO
1028	ERROR TYPE	Read-only	Error type: (0- no error) (1- error): Bit 0: T1 temperature sensor error (out of range) Bit 1: T1 temperature sensor error (out of range) Bit 2: spare Bit 3: spare Bit 4: valve stroke < 5 mm Bit 5: valve stroke > 60 mm Bit 6: unexpected stall condition events (within calculated stroke) Bit 7: unexpected stall condition events (outside calculated stroke Bit 8: undervoltage error Bit 9: overvoltage error Bit 10: time clock error	YES
1033	ACTUATOR RESET	Read/write	Force actuator reset (1)	NO
1034	BMS COMMAND	Read/write	BMS command (0-100%)*10	NO
1037	FEEDBACK	Read-only	Actuator position (0-100%), valve position (0-100%)*10	NO
1100	SET HEATING ∆T CONTROL	Read/write	Set heating ∆T control (°C*10)	YES
1101	SET COOLING ∆T CONTROL	Read/write	Set cooling ∆T control (°C*10)	YES
1102	SET HEATING SUPPLY TEMPERATURE	Read/write	Set heating supply temperature (°C*10)	YES
1103	SET COOLING SUPPLY TEMPERATURE	Read/write	Set cooling supply temperature (°C*10)	YES
1104	SET HEATING RETURN TEMPERATURE	Read/write	Set heating return temperature (°C*10)	YES
1105	SET COOLING RETURN TEMPERATURE	Read/write	Set cooling return temperature (°C*10)	YES
1106	SET HEATING ∆T LIMITATION	Read/write	Set heating ∆T limitation (°C*10)	YES
1107	SET COOLING ∆T LIMITATION	Read/write	Set cooling ∆T limitation (°C*10)	YES
1108	SET HEATING SUPPLY TEMPERATURE LIMIT	Read/write	Set heating supply temperature limit (°C*10)	YES
1109	SET COOLING SUPPLY TEMPERATURE LIMIT	Read/write	Set cooling supply temperature limit (°C*10)	YES
1110	SET HEATING RETURN TEMPERATURE LIMIT	Read/write	Set heating return temperature limit (°C*10)	YES
1111	SET COOLING RETURN TEMPERATURE LIMIT	Read/write	Set cooling return temperature limit (°C*10)	YES
1114	SUPPLY TEMPERATURE VALUE	Read-only	Supply temperature value (°C*10)	NO
1115	RETURN TEMPERATURE VALUE	Read-only	Return temperature value (°C*10)	NO
1116	∆T VALUE (S1 – S2)	Read-only	∆T value (T1 – T2) (°C*10)	NO
1181	CLOCK MINUTES	Read/write	Clock minutes	YES
1182	CLOCK HOURS	Read/write	Clock hours	YES
1183	CLOCK DAY	Read/write	Clock day	YES
1184	CLOCK MONTH	Read/write	Clock month	YES
1185	CLOCK YEAR	Read/write	Clock year	YES
1186	RESET FOR EEPROM INITIALIZATION	Read/write	Reset for EEPROM initialization	NO
1192	OUT LOOP BMS	Read-only	Output loop BMS (*10)	NO
1197	OUT LOOP T CONTROL	Read-only	Output loop T control (*10)	NO
1198	OUT LOOP T LIMITS	Read-only	Output loop T limits (*10)	NO
1199	OUT LOOP "ACTIVE"	Read-only	Output loop "active" (*10)	NO
1230	LOOP TYPE P, P+I, P+I+D (∆T heating loop)	Read/write	Loop type P, P+I, P+I+D (∆T heating loop)	YES
1231	DERIVATIVE TIME (gain) (∆T heating loop)	Read/write	Derivative time (gain) (∆T heating loop)	YES
1232	INTEGRAL TIME (min.) (∆T heating loop)	Read/write	Integral time (min.) (∆T heating loop)	YES
1233	PROPORTIONAL BAND ∆T (°C*10) (∆T heating loop)	Read/write	Proportional band ∆T (°C*10) (∆T heating loop)	YES
1234	LOOP TYPE P, P+I, P+I+D (∆T cooling loop)	Read/write	Loop type P, P+I, P+I+D (∆T cooling loop)	YES
1235	DERIVATIVE TIME (gain) (∆T cooling loop)	Read/write	Derivative time (gain) (∆T cooling loop)	YES
1236	INTEGRAL TIME (min.) (∆T cooling loop)	Read/write	Integral time (min.) (∆T cooling loop)	YES
1237	PROPORTIONAL BAND ∆T (°C*10) (∆T cooling loop)	Read/write	Proportional band ∆T (°C*10) (∆T cooling loop)	YES
1238	LOOP TYPE P, P+I, P+I+D (T heating supply loop)	Read/write	Loop type P, P+I, P+I+D (T heating supply loop)	YES
1239	DERIVATIVE TIME (gain) (T heating supply loop)	Read/write	Derivative time (gain) (T heating supply loop)	YES
1240	INTEGRAL TIME (min.) (T heating supply loop)	Read/write	Integral time (min.) (T heating supply loop)	YES
1241	PROPORTIONAL BAND ∆T (°C*10) (T heating supply loop)	Read/write	Proportional band ∆T (°C*10) (T heating supply loop)	YES
1242	LOOP TYPE P, P+I, P+I+D (T cooling supply loop)	Read/write	Loop type P, P+I, P+I+D (T cooling supply loop)	YES
1243	DERIVATIVE TIME (gain) (T cooling supply loop)	Read/write	Derivative time (gain) (T cooling supply loop)	YES
1244	INTEGRAL TIME (min.) (T cooling supply loop)	Read/write	Integral time (min.) (T cooling supply loop)	YES
1245	PROPORTIONAL BAND ∆T (°C*10) (T cooling supply loop)	Read/write	Proportional band ∆T (°C*10) (T cooling supply loop)	YES
1246	LOOP TYPE P, P+I, P+I+D (T heating Return loop)	Read/write	Loop type P, P+I, P+I+D (T heating return loop)	YES
1247	DERIVATIVE TIME (gain) (T heating Return loop)	Read/write	Derivative time (gain) (T heating return loop)	YES
1248	INTEGRAL TIME (min.) (T heating Return loop)	Read/write	Integral time (min.) (T heating return loop)	YES
1249	PROPORTIONAL BAND ∆T (°C*10) (T heating Return loop)	Read/write	Proportional band ∆T (°C*10) (T heating return loop)	YES
1250	LOOP TYPE P, P+I, P+I+D (T cooling Return loop)	Read/write	Loop type P, P+I, P+I+D (T cooling return loop)	YES
1251	DERIVATIVE TIME (gain) (T cooling Return loop)	Read/write	Derivative time (gain) (T cooling return loop)	YES
1252	INTEGRAL TIME (min.) (T cooling Return loop)	Read/write	Integral time (min.) (T cooling return loop)	YES
1253	PROPORTIONAL BAND ∆T (°C*10) (T cooling Return loop)	Read/write	Proportional band ∆T (°C*10) (T cooling return loop)	YES
1254	LOOP TYPE P, P+I, P+I+D (∆T heating loop limit)	Read/write	Loop type P, P+I, P+I+D (∆T heating loop limit)	YES
1255	DERIVATIVE TIME (gain) (∆T heating loop limit)	Read/write	Derivative time (gain) (∆T heating loop limit)	YES
1256	INTEGRAL TIME (min.) (∆T heating loop limit)	Read/write	Integral time (min.) (∆T heating loop limit)	YES
1257	PROPORTIONAL BAND ∆T (°C*10) (∆T heating loop limit)	Read/write	Proportional band ∆T (°C*10) (∆T heating loop limit)	YES
1258	LOOP TYPE P, P+I, P+I+D (∆T cooling loop limit)	Read/write	Loop type P, P+I, P+I+D (∆T cooling loop limit)	YES
1259	DERIVATIVE TIME (gain) (∆T cooling loop limit)	Read/write	Derivative time (gain) (∆T cooling loop limit)	YES
1260	INTEGRAL TIME (min.) (∆T cooling loop limit)	Read/write	Integral time (min.) (∆T cooling loop limit)	YES
1261	PROPORTIONAL BAND ∆T (°C*10) (∆T cooling loop limit)	Read/write	Proportional band ∆T (°C*10) (∆T cooling loop limit)	YES
1262	LOOP TYPE P, P+I, P+I+D (T heating supply loop limit)	Read/write	Loop type P, P+I, P+I+D (T heating supply loop limit)	YES
1263	DERIVATIVE TIME (gain) (T heating supply loop limit)	Read/write	Derivative time (gain) (T heating supply loop limit)	YES
1264	INTEGRAL TIME (min.) (T heating supply loop limit)	Read/write	Integral time (min.) (T heating supply loop limit)	YES
1265	PROPORTIONAL BAND ∆T (°C*10) (T heating supply loop limit)	Read/write	Proportional band ∆T (°C*10) (T heating supply loop limit)	YES
1266	LOOP TYPE P, P+I, P+I+D (T cooling supply loop limit)	Read/write	Loop type P, P+I, P+I+D (T cooling supply loop limit)	YES
1267	DERIVATIVE TIME (gain) (T cooling supply loop limit)	Read/write	Derivative time (gain) (T cooling supply loop limit)	YES
1268	INTEGRAL TIME (min.) (T cooling supply loop limit)	Read/write	Integral time (min.) (T cooling supply loop limit)	YES
1269	PROPORTIONAL BAND ∆T (°C*10) (T cooling supply loop limit)	Read/write	Proportional band ∆T (°C*10) (T cooling supply loop limit)	YES
1270	LOOP TYPE P, P+I, P+I+D (T heating Return loop limit)	Read/write	Loop type P, P+I, P+I+D (T heating return loop limit)	YES
1271	DERIVATIVE TIME (gain) (T heating Return loop limit)	Read/write	Derivative time (gain) (T heating return loop limit)	YES
1272	INTEGRAL TIME (min.) (T heating Return loop limit)	Read/write	Integral time (min.) (T heating return loop limit)	YES
1273	PROPORTIONAL BAND ∆T (°C*10) (T heating Return loop limit)	Read/write	Proportional band ∆T (°C*10) (T heating return loop limit)	YES
1274	LOOP TYPE P, P+I, P+I+D (T cooling Return loop limit)	Read/write	Loop type P, P+I, P+I+D (T cooling return loop limit)	YES
1275	DERIVATIVE TIME (gain) (T cooling Return loop limit)	Read/write	Derivative time (gain) (T cooling return loop limit)	YES
1276	INTEGRAL TIME (min.) (T cooling Return loop limit)	Read/write	Integral time (min.) (T cooling return loop limit)	YES
1277	PROPORTIONAL BAND ∆T (°C*10) (T cooling Return loop limit)	Read/write	Proportional band ∆T (°C*10) (T cooling return loop limit)	YES
1262	0x4EE	LOOP TYPE P, P+I, P+I+D (T heating supply loop limit)	Read/write	Loop type P, P+I, P+I+D (T heating supply loop limit)
1263	0x4EF	DERIVATIVE TIME (gain) (T heating supply loop limit)	Read/write	Derivative time (gain) (T heating supply loop limit)
1264	0x4F0	INTEGRAL TIME (min.) (T heating supply loop limit)	Read/write	Integral time (min.) (T heating supply loop limit)
1265	0x4F1	PROPORTIONAL BAND ∆T (°C*10) (T heating supply loop limit)	Read/write	Proportional band ∆T (°C*10) (T heating supply loop limit)
1266	0x4F2	LOOP TYPE P, P+I, P+I+D (T cooling supply loop limit)	Read/write	Loop type P, P+I, P+I+D (T cooling supply loop limit)
1267	0x4F3	DERIVATIVE TIME (gain) (T cooling supply loop limit)	Read/write	Derivative time (gain) (T cooling supply loop limit)
1268	0x4F4	INTEGRAL TIME (min.) (T cooling supply loop limit)	Read/write	Integral time (min.) (T cooling supply loop limit)
1269	0x4F5	PROPORTIONAL BAND ∆T (°C*10) (T cooling supply loop limit)	Read/write	Proportional band ∆T (°C*10) (T cooling supply loop limit)
1270	0x4F6	LOOP TYPE P, P+I, P+I+D (T heating Return loop limit)	Read/write	Loop type P, P+I, P+I+D (T heating return loop limit)
1271	0x4F7	DERIVATIVE TIME (gain) (T heating Return loop limit)	Read/write	Derivative time (gain) (T heating return loop limit)
1272	0x4F8	INTEGRAL TIME (min.) (T heating Return loop limit)	Read/write	Integral time (min.) (T heating return loop limit)
1273	0x4F9	PROPORTIONAL BAND ∆T (°C*10) (T heating Return loop limit)	Read/write	Proportional band ∆T (°C*10) (T heating return loop limit)
1274	0x4FA	LOOP TYPE P, P+I, P+I+D (T cooling Return loop limit)	Read/write	Loop type P, P+I, P+I+D (T cooling return loop limit)
1275	0x4FB	DERIVATIVE TIME (gain) (T cooling Return loop limit)	Read/write	Derivative time (gain) (T cooling return loop limit)
1276	0x4FC	INTEGRAL TIME (min.) (T cooling Return loop limit)	Read/write	Integral time (min.) (T cooling return loop limit)
1277	0x4FD	PROPORTIONAL BAND ∆T (°C*10) (T cooling Return loop limit)	Read/write	Proportional band ∆T (°C*10) (T cooling return loop limit)

List of Modbus registers