User Manual
Contents
1. speed level 5 REG_FAN_SPEED_LOG_EF_LVL1 121 R Reg Fan speed log values for extract fan speed level 1 REG_FAN_SPEED_LOG_EF_LVL2 122 R Reg Fan speed log values for extract fan speed level 2 REG_FAN_SPEED_LOG_EF_LVL3 123 R Reg Fan speed log values for extract fan speed level 3 Modbus for Residential units D24810 User Manual Systemair AB systemair Name Register Ror R W NVM Access Description remarks address Reg Coil REG_FAN_SPEED_LOG_EF_LVL4 124 R Reg Fan speed log values for extract fan speed level 4 REG_FAN_SPEED_LOG_EF_LVL5 125 R Reg Fan speed log values for extract fan speed level 5 REG_FAN_SPEED_LOG_SF_NR_LVL1 126 R Reg Fan speed log values for supply fan speed level 1 non resettable REG_FAN_SPEED_LOG_SF_NR_LVL2 127 R Reg Fan speed log values for supply fan speed level 2 non resettable REG_FAN_SPEED_LOG_SF_NR_LVL3 128 R Reg Fan speed log values for supply fan speed level 3 non resettable REG_FAN_SPEED_LOG_SF_NR_LVL4 129 R Reg Fan speed log values for supply fan speed level 4 non resettable REG_FAN_SPEED_LOG_SF_NR_LVL5 130 R Reg Fan speed log values for supply fan speed level 5 non resettable REG_FAN_SPEED_LOG_EF_NR_LVL1 131 R Reg Fan speed log values for extract fan speed level 1 non resettable REG_FAN_SPEED_LOG_EF_NR_LVL2 132 R Reg Fan speed log values for extract fan speed level 2 non resettable REG_FAN_SPEED_LOG2. 99 www systemair com D24810
3. digital input 2 REG_DI2_EF_LVL 707 R W Reg Extract fan speed level at activated digital input 2 REG_DI3_SF_LVL 708 R W Reg Supply fan speed level at activated digital input 3 REG_DI3_EF_LVL 709 R W Reg Extract fan speed level at activated digital input 3 Modbus for Residential units D24810 11 User Manual Systemair AB 7 12 Registers for PCU PB systemair Name Register address R orR W NVM Access Reg Coil Description remarks REG_PCU_PB_RELAYS 751 R Reg Coil Coil Address 12001 relay for preheater on Coil Address 12002 relay for reheater on Coil Address 12003 common relay for heater and preheater on 7 13 Registers for alarms Name Register address RorR W NVM Access Reg Coil Description remarks REG_ALARMS_ALL 801 R Reg Coil Coil Address 12801 Filter alarm Coil Address 12802 Fan alarm Coil Address 12803 Not used Coil Address 12804 Rotor alarm Coil Address 12805 Frost alarm Coil Address 12806 PCU PB alarm Coil Address 12807 Temperature sensor alarm Coil Address 12808 Emergency Thermostat alarm Coil Address 12809 Damper alarm Coil value 0 alarm not active Coil value 1 alarm active REG_ALARMS_RELAY_ACTIVE 802 Reg Coil Coil address 12817 alarm relay active 0 Relay not active 1 Relay act
4. 8 R W Y Reg REG_WP_WD4_PRD1_START_M 429 R W Y Reg REG_WP_WD4_PRD1_END_H 430 R W Y Reg REG_WP_WD4_PRD1_END_M 431 R W Y Reg REG_WP_WD4_PRD2_START_H 432 R W Y Reg REG_WP_WD4_PRD2_START_M 433 R W Y Reg REG_WP_WD4_PRD2_END_H 434 R W Y Reg Modbus for Residential units D24810 User Manual Systemair AB systemair Name Register Ror RW NVM Access Description remarks address Reg Coil REG_WP_WD4_PRD2_END_M 435 R W Y Reg REG_WP_WD5_PRD1_START_H 436 R W Y Reg REG_WP_WD5_PRD1_START_M 437 R W Y Reg REG_WP_WD5_PRD1_END_H 438 R W Y Reg REG_WP_WD5_PRD1_END_M 439 R W Y Reg REG_WP_WD5_PRD2_START_H 440 R W Y Reg REG_WP_WD5_PRD2_START_M 441 R W Y Reg REG_WP_WD5_PRD2_END_H 442 R W Y Reg REG_WP_WD5_PRD2_END_M 443 R W Y Reg REG_WP_WD6_PRD1_START_H 444 R W Y Reg REG_WP_WD6_PRD1_START_M 445 R W Y Reg REG_WP_WD6_PRD1_END_H 446 R W Y Reg REG_WP_WD6_PRD1_END_M 447 R W Y Reg REG_WP_WD6_PRD2_START_H 448 R W Y Reg REG_WP_WD6_PRD2_START_M 449 R W Y Reg REG_WP_WD6_PRD2_END_H 450 R W Y Reg REG_WP_WD6_PRD2_END_M 451 R W Y Reg REG_WP_WD7_PRD1_START_H 452 R W Y Reg REG_WP_WD7_PRD1_START_M 453 R W Y Reg REG_WP_WD7_PRD1_END_H 454 R W Y Reg REG_WP_WD7_PRD1_END_M 455 R W Y Reg REG_WP_WD7_PRD2_START_H 456 R W Y Reg REG_WP_WD7_PRD2_START_M 457 R W Y Reg REG_WP_WD7_PRD2_END_H 458 R W Y Reg REG_WP_WD7_PRD2_END_M 459 R W Y Reg Modbus for Residential units U
5. REG_DEFR_MODE_VTC 654 R W Reg Defrosting mode Allowed values 1 5 Modbus for Residential units D24810 10 User Manual Systemair AB 7 10 Register for VR VTR defrosting systemair Name Register Ror RW NVM Access Description remarks address Reg Coil REG_DEFR_STATE_VR 671 R Reg State of defrosting state machine 0 Inactive 1 Low temperature 2 Defrosting REG_DEFR_MODE_VR 672 R RW Y Reg Defrosting mode Allowed values 0 5 7 11 Registers for the digital inputs Name Register address R or RW NVM Access Reg Coil Description remarks REG_DI_ALL 701 R W Reg Coil Digital inputs Coil 11201 input 1 Coil 11202 input 2 Coil 11203 input 3 Coil 11204 input 4 Coil 11205 input 5 Coil 11206 input 6 Note read only Coil 11207 input 7 Coil value 0 input inactive Coil value 1 input active REG_DI_EXT_RUNNING_M 702 R W Reg Extended running time in minutes REG_DI_EXT_RUNNING_SPEED_LVL 703 R W Reg Fan speed level during extended running 0 Off 1 Low speed 2 Normal speed 3 High speed REG_DI1_SF_LVL 704 R W Reg Supply fan speed level at activated digital input 1 REG_DI1_EF_LVL 705 R W Reg Extract fan speed level at activated digital input 1 REG_DI2_SF_LVL 706 R W Reg Supply fan speed level at activated
6. REG_WL_DI_CONNEC TION_1 REG_WL_DI_ CONNECTION_7 1007 As for REG_WL_DI_CONNEC TION_1 REG_WL_DI CONNECTION_8 1008 As for REG_WL_DI_CONNEC TION_1 REG_WL_DI_ CONNECTION_9 1009 As for REG_WL_DI_CONNEC TION_1 REG_WL_DI_CONNEC 1010 As for REG_WL_DI_CONNEC TION_10 TION_1 REG_WL_DI_CONNEC 1011 As for REG_WL_DI_CONNEC TION_11 TION_1 Modbus for Residential units User Manual D24810 14 Systemair AB systemair Name Regis R or NV Access Description remarks ter ad RW M Reg C dress oil REG_WL_DI_CONNEC 1012 As for REG_WL_DI_CONNEC TION_12 TION_1 REG_WL_DI_CONNEC 1013 As for REG_WL_DI_CONNEC TION_13 TION_1 REG_WL_DI_CONNEC 1014 As for REG_WL_DI_CONNEC TION_14 TION_1 REG_WL_DI_CONNEC 1015 As for REG_WL_DI_CONNEC TION_15 TION_1 REG_WL_DI_CONNEC 1016 As for REG_WL_DI_CONNEC TION_16 TION_1 REG_WL_DI_CONNEC 1017 As for REG_WL_DI_CONNEC TION_17 TION_1 REG_WL_DI_CONNEC 1018 As for REG_WL_DI_CONNEC TION_18 TION_1 REG_WL_DI_CONNEC 1019 As for REG_WL_DI_CONNEC TION_19 TION_1 REG_WL_DI_CONNEC 1020 As for REG_WL_DI_CONNEC TION 20 TION_1 Modbus for Residential units D24810 15 User Manual Systemair AB Systemair AB reserves the right to make changes and improvements to the contents of this manual without prior notice systemair Systemair AB Industrivagen 3 SE 739 30 Skinnskatteberg Sweden Phone 46 222 440 00 Fax 46 222 440
7. _EF_NR_LVL3 133 R Reg Fan speed log values for extract fan speed level 3 non resettable REG_FAN_SPEED_LOG_EF_NR_LVL4 134 R Reg Fan speed log values for extract fan speed level 4 non resettable REG_FAN_SPEED_LOG_EF_NR_LVL5 135 R Reg Fan speed log values for extract fan speed level 5 non resettable REG_FAN_SYSTEM_CURVE_SF 136 R W Y Reg System curve for supply fan Value can be from 1 to 20 REG_FAN_SYSTEM_CURVE_EF 137 R W Y Reg System curve for extract fan Value can be from 1 to 10 REG_FAN_CONTROL_TYPE 138 R W Reg Type of fan control 0 Air flow 1 Speed 1 Stored by writing to register 549 REG_STORE_NVWM Modbus for Residential units D24810 User Manual Systemair AB 7 2 Registers for heater control systemair Name Register RorR W NVM Scaling Access Description remarks address Reg Coil REG_HC_HEATER_TYPE 201 R W Y 1 Reg 0 no heater 1 Water heater 2 Electrical heater 3 Contactor REG_HC_COOLER_TYPE 202 R W Y 1 Reg 0 no cooler 1 water cooler REG_HC_WCWH_STATE 203 1 Reg State of water heater cooler REG_HC_WC_SIGNAL 204 1 Reg Signal to cooler REG_HC_WH_SIGNAL 205 1 Reg Signal to water heater REG_HC_FPS_LEVEL 206 R W Y 1 Reg Frost protection level Allowed values 70 80 90 100 110 120 7 8 9 10 11 12 C REG_HC_TEMP_LVL 207 R W y Reg Temperature set point level 0 Manual summer mode 1 to 5 correspond to t
8. age length 5 Notes Coils and digital inputs are always available as register as well The address of the coil or digital input can be calculated as follows Address Register Address 16 15 Reading any registers inputs or coils that are not mentioned in the tables below will result in reading 0 Writing to any address that is not listed as writeable in the tables below or is not listed at all will have no effect Addressing any register coil or digital input higher than the highest address will result in error 02 Illegal Data Address in the Modbus response Modbus for Residential units User Manual D24810 1 Systemair AB The column NVM indicates if the value is stored in a non volatile memory i e EEPROM when writing to it 6 Wiring BC Fig 1 Modbus wiring Position Description 1 VTC unit 2 RJ45 on PCB seen from the top 3 Termination resistor close to the end of the line 4 Modbus master Modbus for Residential units D24810 User Manual Systemair AB 7 Modbus variable list 7 1 Registers for fan control systemair Name Register RorR W NVM Access Description remarks address Reg Coil REG_FAN_SPEED_LEVEL 101 R W Yl Reg 0 Fans off 1 Fans on low speed 2 Fans on norma
9. arks address Reg Coil REG_WP_ACTIVE 401 R Reg Coil Coil address 6401 0 week program not active 1 week program active REG_WP_ON_LVL 402 R W Y Reg Week program active speed level REG_WP_OFF_LVL 403 R W Reg Week program inactive speed level REG_WP_WD1_PRD1_START_H 404 R W Reg atan of week program day 1 period 1 our REG_WP_WD1_PRD1_START_M 405 R W Y Reg Start of week program day 1 period 1 minute Allowed values 0 10 15 20 30 40 45 50 REG_WP_WD1_PRD1_END_H 406 R W Y Reg a of week program day 1 period 1 our REG_WP_WD1_PRD1_END_M 407 R W Y Reg End of week program day 1 period 1 minute Allowed values 0 10 15 20 30 40 45 50 REG_WP_WD1_PRD2_START_H 408 R W Y Reg REG_WP_WD1_PRD2_START_M 409 R W Y Reg REG_WP_WD1_PRD2_END_H 410 R W Y Reg REG_WP_WD1_PRD2_END_M 411 R W Y Reg REG_WP_WD2_PRD1_START_H 412 R W Y Reg REG_WP_WD2_PRD1_START_M 413 R W Y Reg REG_WP_WD2_PRD1_END_H 414 R W Y Reg REG_WP_WD2_PRD1_END_M 415 R W Y Reg REG_WP_WD2_PRD2_START_H 416 R W Y Reg REG_WP_WD2_PRD2_START_M 417 R W Y Reg REG_WP_WD2_PRD2_END_H 418 R W Y Reg REG_WP_WD2_PRD2_END_M 419 R W Y Reg REG_WP_WD3_PRD1_START_H 420 R W Y Reg REG_WP_WD3_PRD1_START_M 421 R W Y Reg REG_WP_WD3_PRD1_END_H 422 R W Y Reg REG_WP_WD3_PRD1_END_M 423 R W Y Reg REG_WP_WD3_PRD2_START_H 424 R W Y Reg REG_WP_WD3_PRD2_START_M 425 R W Y Reg REG_WP_WD3_PRD2_END_H 426 R W Y Reg REG_WP_WD3_PRD2_END_M 427 R W Y Reg REG_WP_WD4_PRD1_START_H 42
10. cal heater REG_HC_HEATER_TEMP_ 221 R Reg Set point support control heater during SP Home Leave function 1 Stored by writing to register 549 REG_STORE_NVWM 7 3 Registers for the damper Name Register RorR W NVM Access Description remarks address Reg Coil REG_DAMPER_PWM 301 R Reg Output value for damper 0 100 correspond to 0 to 10V 7 4 Registers for the rotor Name Register RorR W NVM Access Description remarks address Reg Coil REG_ROTOR_STATE 351 R Reg State for the rotor control state machine 0 Normal 1 Rotor fault assumed 2 Rotor fault detected 3 Summer mode conditions valid but summer mode not yet active 4 Summer mode 5 Waiting to go out of Manual summer mode due to temperature conditions 6 Manual summer mode 7 Rotor cleaning during summer mode 8 Rotor cleaning during manual summer mode 9 Fans off 10 Rotor cleaning during fans off 11 Rotor fault conditions for rotor fault not valid anymore REG_ROTOR_RELAY_ACTIVE 352 R Reg Coil Coil 5617 rotor relay active 0 not active 1 active Modbus for Residential units User Manual D24810 6 Systemair AB 7 5 Registers for the week program systemair Name Register Ror RW NVM Access Description rem
11. ce i Mro1 Modbus for Residential units eeso i ae Systemair User Manual Document in original language D24810 EN_GB 03 04 2014 A005 Contents IIROJUGIIO sirro a A settee se ARE AOR BOL APA LECA CZE AP ahs 1 2 Transmission MOdES 211 1 zauwa wa AO A ee ede AAAA A ASY AAA A SYS 1 S8 PhysicaklayeF 4 5 ERA AGO AA en OP ARP Pb AR tid PASE PE dA ai PLEC 1 ARANESE raina AEN dos ects Seth itt Lead eee bites eee een heated 1 Di NOLES Sis scents oR opti Z gph Su at P phate ACE baer eae ees cas teste ae O OWA ea wod Fa Rd nails 1 6 Wiring eoe iosia uet iarrar AE Decrease vee indus ee ded coe edd ee co de dae eee ea 2 Modbus Variable ISU mass re ded nets ieaS OARA cd PTO A WYD A WYD REWA A SA W 3 7 1 Registers for fan Controls rakista arua aR aE AN EEEE AAKER ANEETA EELA 3 7 2 Registers for heater control ierosina aeaea a anta EE a E AE AAR h 5 Fa Ragisters Tor the damper esra arien ata za EEE EEEa AON 6 4 Registers Tor the rotor e eena aa Z E AE PEE A ROA APE 6 7 5 Registers for the week program eee ee iiaeiai tarti aaa aaa aaa aaa aaa 7 7 6 Registers for system parameters aaa certs aaa aaa aaa aaa 9 t Regjisters f r CIOCK oirean aara anA A o A AAA AO AAAA 9 7 8 Registers for the Er isinsin si a A A A A da EL A 10 7 9 Registers for VTC defrosting 41424 4444 44490 0 EE aaa o a W A ky EEEO n 10 7 10 Register for VR VTR defros
12. emperature levels as given by REG_HC_TEMP_LVL1 to REG_HC_TEMP_LVL5 6 to 29 extension of levels 1 to 5 REG_HC_TEMP_SP 208 R 1 Reg Temperature set point REG_HC_TEMP_LVL1 209 R 10 Reg Temperature level 1 10 REG_HC_TEMP_LVL2 210 R 10 Reg Temperature level 2 10 REG_HC_TEMP_LVL3 211 R 10 Reg Temperature level 3 10 REG_HC_TEMP_LVL4 212 R 10 Reg Temperature level 4 10 REG_HC_TEMP_LVL5 213 R 10 Reg Temperature level 5 10 REG_HC_TEMP_IN1 214 R 10 Reg Temperature on sensor 1 10 Supply air sensor REG_HC_TEMP_IN2 215 R 10 Reg Temperature on sensor 2 10 Extract air sensor REG_HC_TEMP_IN3 216 R 10 Reg Temperature on sensor 3 10 Exhaust air sensor REG_HC_TEMP_IN4 217 R 10 Reg Temperature on sensor 4 10 Overheating Frostprotection sensor REG_HC_TEMP_IN5 218 R 10 Reg Temperature on sensor 5 10 Outdoor air sensor REG_HC_TEMP_STATE 219 R 1 Reg Coil Coil 3489 State of temperature sensor on input 1 Coil 3490 State of temperature sensor on input 2 Coil 3491 State of temperature sensor on input 3 Coil 3492 State of temperature sensor on input 4 Coil 3493 State of temperature sensor on input 5 Coil state 0 no sensor fault 1 sensor fault Modbus for Residential units D24810 User Manual Systemair AB systemair Name Register RorR W NVM Scaling Access Description remarks address Reg Coil REG_HC_PRE 220 R W Y Reg 0 no heater HEATER_TYPE 1 Electri
13. ive 7 14 Register for demand control Name Register Ror RW NVM Access Description remarks address Reg Coil REG_DEMC_CO2_SP 851 R W Reg Range 0 2000 0 Off REG_DEMC_CO2_P_BAND 852 R W Reg Range 1 2000 REG_DEMC_CO2_I_TIME 853 R W Reg Range 1 120 0 no integration REG_DEMC_RH_SP 854 R W Reg Range 0 100 0 Off REG_DEMC_RH_P_BAND 855 R W Reg Range 1 100 REG_DEMC_RH_I_TIME 856 R W Reg Range 1 120 0 no integration Modbus for Residential units D24810 12 User Manual Systemair AB systemair Name Register RorR W NVM Access Description remarks address Reg Coil REG_DEMC_STATE 857 R Reg 0 Start up 1 Waiting for sensor network 2 Waiting for sensor data 3 Auto mode 4 normal mode REG_DEMC_MODBUS_CO2_VALUE 858 W Reg Value in ppm Range 0 2000 REG_DEMC_MODBUS_RH_VALUE 859 W Reg Value in Range 0 100 7 15 Register for wireless network Name Regis ter ad dress R or R W NV M Access Reg C oil Description remarks REG_WL_NODE_1_TYPE 901 R Reg 0 No connected 1 CO2 sensor 2 RH sensor 3 DI module 4 User interface REG_WL_NODE_1_VALUE_T 902 Reg Coil Value depending on node type REG_WL_NODE_1_TYPE 1 CO2 value REG_WL_NODE_1_TYPE 2 RH value REG WL_NODE_1_TYPE 3 use coils to read Coil Address 14417 input 1 Coil Address 14418 inpu
14. l speed 3 Fans on high speed 4 Auto mode REG_FAN_SF_FLOW_LOW 102 R y1 Reg Supply air fan speed for low speed REG_FAN_EF_FLOW_LOW 103 R W y1 Reg Extract air fan speed for low speed REG_FAN_SF_FLOW_NOM 104 R W Y1 Reg Supply air fan speed for nominal speed REG_FAN_EF_FLOW_NOM 105 R W Y1 Reg Extract air fan speed for nominal speed REG_FAN_SF_FLOW_HIGH 106 R YI Reg Supply air fan speed for high speed REG_FAN_EF_FLOW_HIGH 107 R W y1 Reg Extract air fan speed for high speed REG_FAN_FLOW_UNITS 108 R W Y Reg 0 I s 1 m3 h REG_FAN_SF_PWM 109 R Reg 0 100 0 10V REG_FAN_EF_PWM 110 R Reg 0 100 0 10V REG_FAN_SF_RPM 111 R Reg Rotations per minute REG_FAN_EF_RPM 112 R Reg Rotations per minute REG_FAN_SPEED_LVL_CD 113 R Reg Speed level as shown on CD REG_FAN_ALLOW_MAN 114 R W Y Reg Coil Coil 1809 manual fan stop allowed UAL_FAN_STOP 0 CD cannot set fan speed to off 1 CD can set fan speed to off REG_FAN_SPEED_LOG_RESET 115 Ww N Reg By writing the value 90 to this register the values of REG_FAN_SPEED_LOG_xF_LVLx will be cleared REG_FAN_SPEED_LOG_SF_LVL1 116 R Reg Fan speed log values for supply fan speed level 1 REG_FAN_SPEED_LOG_SF_LVL2 117 R Reg Fan speed log values for supply fan speed level 2 REG_FAN_SPEED_LOG_SF_LVL3 118 R Reg Fan speed log values for supply fan speed level 3 REG_FAN_SPEED_LOG_SF_LVL4 119 R Reg Fan speed log values for supply fan speed level 4 REG_FAN_SPEED_LOG_SF_LVL5 120 R Reg Fan speed log values for supply fan
15. oil Description remarks REG_CLK_S 551 R W Reg Clock seconds 0 59 REG_CLK_M 552 R W Reg Clock minutes 0 59 Modbus for Residential units D24810 User Manual Systemair AB systemair Name Register RorR W NVM Access Description remarks address Reg Coil REG_CLK_H 553 R W Y Reg Clock hours 0 23 REG_CLK_D 554 R W Y Reg Clock day of month 1 31 REG_CLK_MNTH 555 R W Y Reg Clock month 1 12 REG_CLK_Y 556 R W Y Reg Clock year 0 2000 REG_CLK_WD 557 R Reg Clock day of week 0 6 Monday sunday 7 8 Registers for the filter Name Register Ror R W NVM Access Description remarks address Reg Coil REG_FILTER_PER 601 R W Reg Filter replace time in months REG_FILTER_DAYS 602 R W Y Reg Elapsed days since last filter replacement 7 9 Registers for VTC defrosting Name Register address R or R W NVM Access Reg Coil Description remarks REG_DEFR_STATE_VTC 651 R Reg State of defrosting state machine 0 No defrosting ongoing 1 Reduced flow defrosting 2 Bypass defrosting 3 Stop defrosting 4 Defrost error REG_DEFR_CONFIGURATION 652 Reg Defrosting configuration 0 A 1 B 2 C 3 D REG_DEFR_UNBAL_ALLOWED 653 R W Reg Coil Coil 10433 Unbalance allowed 0 Unbalance not allowed 1 Unbalance allowed
16. ser Manual D24810 8 Systemair AB 7 6 Registers for system parameters systemair Name Register address R or RW NVM Access Reg Coil Description remarks REG_SYSTEM_TYPE 501 R W Y Reg 0 VR400 1 VR700 2 VR700DK 3 VR400DE 4 VTC300 5 VTC700 12 VTR150K 13 VTR200B 14 VSR300 15 VSR500 16 VSR150 17 VTR300 18 VTR500 19 VSR300DE 20 VTC200 All other values are ignored REG_SYSTEM_PROG_V_HIGH 502 Reg Main program version high number REG_SYSTEM_PROG_V_MID 503 Reg Main program version middle number REG_SYSTEM_PROG_V_LOW 504 Reg Main program version low number REG_SYSTEM_BOOT_PROG_V_HIGH 505 Reg Boot program version high number REG_SYSTEM_ BOOT_PROG_V_MID 506 Reg Boot program version middle number REG_SYSTEM_ BOOT _PROG_V_LOW 507 Reg Boot program version low number REG_STORE_NVM 549 sw w a w wm Reg Write value 165 will stores the following parameters in NVM e REG_FAN_SPEED_LEVEL e REG_HC_TEMP_LVL e REG_FAN_SF_FLOW_LOW REG_FAN_EF_FLOW_LOW e REG_FAN_SF_FLOW_NOM e REG_FAN_EF_FLOW_NOM REG_FAN_SF_FLOW_HIGH e REG_FAN_EF_FLOW_HIGH All other values no functionality Can only be activated by addressing with Function Code 6 Write single register 7 7 Registers for clock Name Register address RorR W NVM Access Reg C
17. t 2 All other node types 0 REG_WL_NODE_1_ STATUS 903 Reg Node state 0 not bound 1 OK 2 Battery failure 3 Communication failure 4 No network 5 Sensor failure REG _WL_NODE 2 xx 911 920 As for register addresses 901 910 REG_WL_NODE_3 xx 921 930 As for register addresses 901 910 Modbus for Residential units D24810 User Manual Systemair AB Name Regis R or NV Access Description remarks ter ad R IW M Reg C dress oil REG_WL_NODE_4_ xx 931 As for register addresses 901 910 940 REG_WL_NODE_5_xx 941 As for register addresses 901 910 950 REG_WL_NODE_6_xx 951 As for register addresses 901 910 960 REG_WL_NODE_7_xx 961 As for register addresses 901 910 970 REG_WL_NODE_8_xx 971 As for register addresses 901 910 980 REG_WL_NODE_9 xx 981 As for register addresses 901 910 990 REG_WL_NODE_10_xx 991 As for register addresses 901 910 1000 REG_WL_DI_ CONNECTION_1 1001 0 Not connected 1 DIA 2 DI2 3 DI3 4 DI4 5 DIS 6 not acctepted 7 DI7 Other values not accepted REG_WL_DI_ CONNECTION_2 1002 As for REG_WL_DI_CONNEC TION_1 REG_WL_DI_ CONNECTION_3 1003 As for REG_WL_DI_CONNEC TION_1 REG_WL_DI_ CONNECTION 4 1004 As for REG_WL_DI_CONNEC TION_1 REG_WL_DI_ CONNECTION 5 1005 As for REG_WL_DI_CONNEC TION_1 REG_WL_DI_ CONNECTION _6 1006 As for
18. ting ee aaa aaa E aa aaa aaa aaa aaa 11 7 11 Registers for the digital inputS enei aaa aaa aaa aaa A 11 7 12 Registers for PCU PBu ea a a eve A A A wedges ott AE PE AP AREATA 12 7 13 Registers for alarms ranuri ieri ea AO APES ESY 12 7 14 Register for demand control 2 ee e eee aaa aaa aaa aaa aaa aaa aaa AEEA SEERA 12 7 15 Register for wireless network uuu eee aaa aaa aaa aa aaa aaa aaa aaa 13 systemair 1 Introduction The unit works as a Modbus slave and complied with MODBUS over serial line specification and implementation guide V1 0 if nothing else is mention in this manual 2 Transmission modes Modbus RTU Supported function codes 1 Read Coils 2 Read Discrete Input 3 Read Holding Register 4 Read Input Register 5 Write Single Coil 6 Write Single Register 15 Write Multiple Coils 16 Write Multiple Registers 3 Physical layer Two wire RS 485 The supported communication parameters are 9600 Bd or 19200 Bd No parity even parity or odd parity 4 Address Slave address 1 to 247 The following exception codes are generated by the slave 1 ILLEGAL FUNCTION when using any of the functions code not listed above 2 ILLEGAL DATA ADDRESS when addressing any register coil or digital input higher than the highest address or lower than the lowest address 3 ILLEGAL DATA VALUE when the format of the Modbus message is faulty e g wrong mess
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