KBR F144-MS-1V1C6-6RO-6DO-3 Page 62 User Manual Download

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V2.01

25361_EDEBD

A0281-2320-1_EN

Address Words Description

Unit

Format

0x0002

Voltage

float

0x0004

Current

float

0x0006

Network frequency

float

0x0008

Current CosPhi

float

0x000a

Active power

float

0x000c

Fundamental reactive power

var

float

0x000e

No compensation power

var

float

0x0010

Apparent power

float

0x0012

THD

float

0x0014

Temperature

°C

float

0x0016

Overtemperature switch-off

float

0x0018

Voltage 3

harmonic

float

0x001a

Voltage 5

harmonic

float

0x001c

Voltage 7

harmonic

float

0x001e

Voltage 9

harmonic

float

0x0020

Voltage 11

harmonic

float

0x0022

Voltage 13

harmonic

float

0x0024

Maximum missing compensation power var

float

0x0026

Relay states (12 bit: bit 0 = stage 1 - bit
11 = stage 12 // bit 13 = error message)

bitwise

unsigned
long

0x0028

Messages (bit coded)

unsigned
long

0x002a

Error messages (bit coded)

unsigned
long

14.5 Data points

Data points can be read via the command 0x04 (read input registers) in accordance with
table 1.

Data point description for the Modbus protocol

Summary of Contents for F144-MS-1V1C6-6RO-6DO-3

Page 1: ...25361_EDEBDA0281 2320 1_EN User manual Technical Parameters System I English 4 quadrant controller multicomp F144 MS 1V1C6 6RO 6DO 3 ...

Page 2: ...nsformer connection and measuring voltage 16 5 3 Current transformer dimensions 16 5 4 Standard connection diagram 17 5 5 Measuring voltage connection Ph N 18 5 6 Measuring voltage connection Ph Ph 19 Table of Contents KBR Kompensationsanlagenbau GmbH does not accept any liability for any loss or damage resulting from printing errors in or changes to this manual In addition KBR Kompensationsanlage...

Page 3: ...r message window 39 9 9 Extras window 40 10 Notes on Troubleshooting 44 11 System and Safety Device Maintenance 45 12 Technical Data 46 12 1 Measuring and display values 46 12 2 Measuring accuracy 47 12 3 Measuring principle 47 12 4 Device memory 47 12 5 Limits 47 12 6 Power supply 47 12 7 Hardware inputs and outputs 48 12 7 1 Hardware inputs 48 12 7 2 Hardware outputs 48 12 8 Electrical connectio...

Page 4: ...ce and show how damage can be avoided through proper installation and commissioning 1 1 User manual This user manual describes the device version multicomp F144 3 This user manual must be accessible to the user at all times e g in the switchgear cabinet Even if the device is resold to third parties the manual remains an inherent part of the device Although the utmost care has been taken in writing...

Page 5: ...njuries or damage may occur if the appropriate safety pre cautions are not taken NOTE Note is an important piece of information on the product its operation or the respec tive part of the operating instructions to which special reference is being made Disclaimer The contents of these operating instructions have been carefully reviewed in terms of the hardware and software described Nonetheless dev...

Page 6: ...evice connection the data given in the connection diagram must be complied with see chapter Connection diagram and the connection lines must be voltage free When wiring always ensure that all wiring material used is neither damaged nor defective and that the polarity is correct Proper and safe operation of the product requires correct transport storage installation and assembly as well as careful ...

Page 7: ...es which you can read at www kbr de The warranty on device characteristics only applies if the device is operated in accor dance with its intended use 1 5 Disposal Please dispose of defective out of date or no longer used devices properly If required we will dispose of the device for you 1 6 Overvoltage and lightning protection To protect your purchased high quality devices from damage we strongly...

Page 8: ...cos phi 1 00 output cos phi is performed To prevent alternating switching operations this target cos phi is main tained for 15 minutes after generator operation The compensated power required for the target cos phi is calculated continuously If the power difference corresponds to the set hysteresis switch on and switch off hysteresis the stages are switched depending on the required compensation p...

Page 9: ... failure The measuring cycle of the controller used to record the necessary network parameters takes approx 20 ms NOTE Limit for overvoltage switch off measuring voltage 10 taking the measuring volt age ratio into account This value cannot be changed and serves to protect the compen sation system In the event of an error the compensation stages are switched off The alarm relay switch es and Overvo...

Page 10: ... 4 3 Control and Display Panel Operating elements 1 LCD displaying the current status and user prompts 2 Number of possible controller output lines 3 Two sensor buttons for parameter configuration 4 Two sensor buttons for menu selection multicomp F144 3 hybrid 6RO 6DO ...

Page 11: ...92 inductive Main transformer current Primary current 1000 A Secondary current 5 A Measuring voltage Primary voltage 400 V Ph Ph corresponds to 230 V Ph N Secondary voltage 400 V Ph Ph corresponds to 230 V Ph N Rot field U L1 N Rot field I L1 Current attenuation coefficient 0 Voltage attenuation coefficient 0 Attenuation coefficient Qmiss 0 Alarm delay 20 minutes 1200 s Thyristor idle time 30 msec...

Page 12: ...60 minutes Temperature measurement On Output 12 as stage or fan Fan Alarm relay as error message or fan Error message Fan switch on temperature 28 C Fan switch off temperature 23 C System switch off temperature 48 C System switch on temperature 43 C Learning mode menu display Off Key sounds On Error message dialog after reset No measuring voltage Message and alarm relay No stage power Message and ...

Page 13: ...h the electricity supplier regulations for kVA tariff cos phi 1 Primary current and secondary current in accordance with input current transformer Voltage transformer ratio if required NOTE Upon delivery the bus protocol is set to Modbus RTU baud rate 38400 parity even This setting can only be changed manually on the device Performing a Reset to default settings has no effect on changed settings ...

Page 14: ...2N L3N L12 L23 L31 Rot field I L1 L2 L3 L1 L2 L3 Stage power learning mode Yes No Stage power 0 to 999 9 kvar Thyristor stage discharge time 0 to 9999 ms Contactor stage discharge time 0 to 900 seconds Switching performance Hysteresis connection 70 to 150 Hysteresis switch off 70 to 150 Switching performance Priority Operation cycles runtime Alarm relay time 3 to 3000 sec Thyristor stage idle time...

Page 15: ...0 harmonics monitoring can be disabled 0 Sampling rate Automatic fixed 50 Hz fixed 60 Hz Reset Run Contrast setting 0 to 10 Brightness setting 0 to 9 Dimmer brightness 0 to 9 Low load limit 15 mA 50 mA Light load delay 1 minute to 60 minutes Temperature measurement On Off Output 12 Compensation stage fan relay Alarm relay Error message fan relay Fan switch on temperature 0 C to 60 C Fan switch off...

Page 16: ... terminal k controller terminal 20 and Connect S2 l to terminal l controller terminal 21 in the compensation system use a two color cable Wire cross section up to 3 m 1 5 mm up to 6 m 2 5 mm For longer distances we recommend using a 1 A transformer The controller is designed for connection to 5 A and 1 A transformers switching is done by firmware If you use existing transformers the current paths ...

Page 17: ...he disconnector in the supply line to terminal 2 N are not required The safety device and the disconnector to terminal 2 N are only required for the follow ing connection variants Alternating voltage Terminal 1 L1 and terminal 2 L2 US1 Phase Phase 100V 240V 10 50Hz 60 Hz Direct voltage Terminal 1 and terminal 2 US1 100V 240V 10 DC Connection variants of the power supply Terminal 1 Terminal 2 Volta...

Page 18: ...ung driving voltage 100 240V 10 50 60 Hz DC Steuerspannung driving voltage 250 V Relaisausgänge relay outputs Digitale Ausgänge digital outputs Mess spannung Measuring voltage 30 690V Temperatur fühler temperature probe Bus Kontakt bei Störung und im Stromlosen Zustand offen contact is open by no power and alarm HINWEIS k12 wahlweise Lüfteranschluss oder Kompensationsstufe Werkseinstellung Lüftera...

Page 19: ...nnung driving voltage 100 240V 10 50 60 Hz DC Steuerspannung driving voltage 250 V Relaisausgänge relay outputs Digitale Ausgänge digital outputs Mess spannung Measuring voltage 30 690V Temperatur fühler temperature probe Bus Kontakt bei Störung und im Stromlosen Zustand offen contact is open by no power and alarm HINWEIS k12 wahlweise Lüfteranschluss oder Kompensationsstufe Werkseinstellung Lüfte...

Page 20: ...the learning process from the Learning mode activate submenu in the Commissioning menu using the Enter Input buttons If the Learning mode window is not displayed please check the following is Menu on set for Learning mode in the Extras menu The settings are saved on an EEPROM so that they are not lost in the event of a power failure Switch on a sufficient number of inductive consumers e g motors b...

Page 21: ... Commissioning programming menu the phase allocation can be changed using the functions Rot field U and Rot field I provided that there is no generator in operation at the time The first switching operation may take up to 180 seconds The stages are switched in set switching times switching interval until compensation occurs The displayed cos phi must increase to at least the set target cos phi ...

Page 22: ...ching cycles Additional stages Service Stage 12 Switching cycles Switching cycles Delete all Service Miss comp power Maximum Delete value Service KF U Service 3rd harm U Service 13th harm U Service Temp shutdown reset Service next Commissioning Enter password Password status Commissioning Main current primary Commissioning Main current secondary Commissioning Target CosPhi Commissioning Stage 01 S...

Page 23: ...small Error message menu THD U to high Error message menu Switching cycle limit exceeded Error message menu Missing current Error message menu Light load operation Error message menu Temperature shutdown Error message menu next Extras next Language Display language selection Extras Limit THD Extras Limit switching cycles Extras Scanning frequency selection Extras Reset Extras Contrast setting Extr...

Page 24: ... displays and controller configuration Initialization window no input possible multicomp 06 Hy Initialization cos 0 71 IND AAAA Stage state next Service next Start menu window display of current values Service window display and deletion options Stage state window stage state can be changed Commissioning next Commissioning window entry of operating parameters ...

Page 25: ... Displays of the main menus Switching perfor mance next Message next Extras next Switching performance window influencing switching performance Error message menu editing the error message dialog Extras window setting special parameters ...

Page 26: ...matically to ensure correct operation 9 2 Commissioning window if no stage power is programmed During initial startup of the multicomp F144 3 the Commissioning menu is displayed as the F144 3 start screen after the initialization phase once you have connected the power supply This menu is used for initial startup of the controller where all necessary settings can be made If a controller already in...

Page 27: ...er to function properly The primary and secondary current of the transformer need to be set submenu Iprim Isec These parameters can be found on the nameplate of the current transformer In addition the phase allocation of the transformer needs to be configured correctly This means that the phase L1 L2 L3 which the current trans former is integrated in has to be set submenu Rot field I in the contro...

Page 28: ...var 300 kOhm 60 seconds 10 kvar 19 9 kvar 300 kOhm 120 seconds 20 kvar and above 300 kOhm 180 seconds In the thyristor stages irrespective of the stage power the discharge time is always entered as 20 milliseconds both when reprogramming and when changing the stage power A discharge time changed later on is retained however as long as the stage power is not changed Configuring the capacitor stages...

Page 29: ...be restarted once the cause of the error has been rectified System function test A function test should be performed after all values have been programmed step by step by disconnecting the controller from the power supply for a few seconds The controller should start automatically after it is reconnected to the power supply If the cosφ voltage is read in the start menu immediately after switching ...

Page 30: ...sured here Example Line 1 currently measured CosPhi 0 71 inductive Line 2 the controller switches on stages stages 1 to 4 are already switched to automatic operation where n stages are switched on as compensation power is required stages are switched off due to overcompensation A the stage has been switched to automatic mode a the stage has been switched off in automatic mode M the stage has been ...

Page 31: ...hase value Apparent power in kVA projected as a 3 phase value provided the network load is sym metrical Active power in kW projected as a 3 phase value provided the network load is symmet rical Reactive power in kvar projected as a 3 phase value provided the network load is sym metrical Compensation power to achieve the set target cos phi missing The missing compensation power is displayed up to a...

Page 32: ...tomatic mode or if they are switched on or off permanently The individual capacitor stages can be selected by pressing W You can change the stage state from Auto Automatic to Off switched off perma nently or On switched on permanently by pressing U to start entering values V to make changes or X to save them NOTE Capacitor stages that are permanently switched on or off are not available to calcula...

Page 33: ... item Extras Operating cycle limit a message is displayed depending on the Operating cycle limit exceeded setting in the Error message menu In addition the value in the menu item Missing comp power maximum can be deleted by pressing and simultaneously resetting the Facility too small message If the set target cos phi is not reached despite all available stages being switched on this message is dis...

Page 34: ...figuring current transformer values All current transformer parameters need to be configured correctly for the compensation controller to function properly The primary and secondary current of the transformer have to be set submenu Iprim Isec These parameters can be found on the nameplate of the current transformer In addition the phase allocation of the transformer needs to be configured correctl...

Page 35: ...ging the discharge time of the capacitor stages is a very important menu item Please make sure that the correct value is set otherwise the sys tem could be damaged Setting the maximum stage power per switching cycle switching opera tion To quickly compensate missing compensation power or overcompensation it is possible to switch identical or different stage powers simultaneously The number of stag...

Page 36: ...and enter the power value individually for each stage NOTE If you cannot select the Learning mode menu item check whether menu On is selected for Learning mode in the Extras menu If you want to activate the learning mode make sure that all previous submenu param eters have been set correctly The learning mode is activated by pressing U Change to Yes by pressingV and then X to confirm After startin...

Page 37: ...ority allows the switching criteria for the compensation stages to be changed This setting indicates that the compensation stages should be used as evenly as possi ble It allows the compensation stages to be selected according to the fewest operating hours turn on duration or the fewest switching cycles With the setting for the fewest operating hours an exchange of the connected compen sation stag...

Page 38: ... 2 setting range 0 to 9 This value defines the attenuation of the display and control behavior to prevent rapid parameter changes if there is no compensation power Attenuation U default setting 0 setting range 0 to 9 This value defines the display attenuation to prevent rapid parameter changes of the measuring voltage Attenuation I default setting 2 setting range 0 to 9 This value defines the disp...

Page 39: ...r messages can be configured Alarm submenu Possible actions Off Message Alarm relay Message and relay No measuring voltage No stage power PFC too small THD voltage harmonics too high Operating cycle limit exceeded contactor stages No measuring current Light load operation Temperature switch off If a submenu is selected by pressing W the error message dialog can be changed by pressing U to start en...

Page 40: ...e limit monitoring is deacti vated if the setting is Lim 0 If voltage harmonics exceed the limit an error message is displayed and a stage switch off is performed Operating cycle limit The limit of the capacitor contactor operating cycles is used as an indication to cus tomers that the capacitor contactor could be worn out due to the number of switching operations accumulated This message in no wa...

Page 41: ...meters are reset to the default settings This has the advantage that all configured parameters are deleted at the same time and the controller restarts with the default settings Perform reset Extras menu Reset menu item Press U Reset flashes Press U and V simultaneously done is displayed After about 2 seconds Reset is displayed again NOTE The reset process can be interrupted by pressing X ...

Page 42: ...perature measurement In this submenu the temperature measurement can be activated of deactivated Fan relay In this submenu the fan relay can set the last stage relay stage 12 or assign the alarm relay Switching threshold fan on In this submenu the switching threshold for switching on the fan relay can be changed to between 0 C and 70 C Switching threshold for switching off fan In this submenu the ...

Page 43: ...smission parameters are Baud rate Baud 4800 9600 19200 38400 Parity even odd none Data bits 8 Stop bits 1 for even and odd 2 for Parity none The KBR eBus setting is used for testing purposes Learning mode In this submenu you can show or hide the submenu item Activate learning mode in the Commissioning menu Key sounds In this submenu you can turn the key sounds which sound if a sensor button is pus...

Page 44: ...ecked individual ly for excessive current input and defective contactors Undercompensation all stages are switched on The existing system is insufficiently dimensioned e g due to new inductive consumers Please contact your local representative enlarge your system The number of the service hotline is given on the cover of these operating instructions Overcompensation too many stages are switched on...

Page 45: ...ring function Check that the controller temperature relay switches the fans on at 28 C Check that the temperature monitoring switches the system off via controller at 48 C Clean the filter mats if necessary depending on how dirty they are Perform a visual inspection of the capacitors Examine the current input and capacitor terminal voltage once every three months Check the reactive energy consumpt...

Page 46: ...x permissible value 6 A Frequency Network frequency measurement fNetwork Units Hz Measuring range 41 70 Hz Apparent power Calculation Stot 3 phase Units kVA Display range 0 0 VA to 9999 9 kVA Active power Calculation Ptotal 3 phase Units kW Display range 0 0 W to 9999 9 kW Reactive power Calculation ind and cap Qtotal Qmiss distinction between ind cap Units kvar Display range 0 0 var to 9999 9 kva...

Page 47: ...with 128 points over one period Frequency measurement Consumption Voltage measurement between phase Lx N Ly Temperature sensor Analog measurement with PT 1000 12 4 Device memory Memory 16 kB RAM volatile Program and parameter memory 128 kB flash Extreme values max No compensation power Qmax Operating cycles Memory cycles every 15 minutes Temperature max measured value 12 5 Limits Limit violations ...

Page 48: ...uring range 1 measuring range current transformer can be programmed Analog input PT 1000 measurement sensor Temperature measurement 10 C to 60 C 2 C max cable length 3 meters 12 7 2 Hardware outputs Alarm relay Switching capacity 250 V AC 2 A floating Optocoupler Stages 1 to 6 Switching capacity approx 5 to 30 VDC max 35 mA external supply Capacitor stages relay stages 7 to 12 Switching capacity 2...

Page 49: ...NE Always short circuit current trans former terminals k and l before opening the circuit Input control voltage Fuse max 1 A slow blow or max C2 automatic in addition isolating switch UL IEC approved BUS connection Connection material To ensure proper operation only use shielded twisted pair cables e g I Y St Y EIB 2x2x0 8 Relay output Fuse max 2 A medium time lag Transformer connection Connection...

Page 50: ... humidity K55 5 95 non condensing Storage temperature 25 C 70 C Operating height up to max 2000 m above sea level Electrical safety Standards DIN EN 61010 1 2011 07 DIN EN 61010 2 030 2011 07 Protection class I Overvoltage category measurement cate gory voltage measurement CAT III 400 V current measurement CAT III 300V power supply CAT III 300V Protection type Standards DIN EN 60529 2014 09 Front ...

Page 51: ...0 100 80 108 00 115 10 129 60 144 00 172 80 180 00 216 00 259 20 288 00 360 00 432 00 504 00 576 00 648 00 720 00 4 x 1 5 4 x 1 5 4 x 1 5 4 x 1 5 4 x 1 5 4 x 1 5 4 x 1 5 4 x 2 5 4 x 2 5 4 x 2 5 4 x 2 5 4 x 6 4 x 10 4 x 10 4 x 10 4 x 16 4 x 16 4 x 16 4 x 25 4 x 25 3 x 35 16 3 x 50 25 3 x 50 25 3 x 70 35 3 x 70 35 3 x 95 50 3 x 95 50 3 x 95 50 3 x 120 70 3 x 120 70 3 x 150 70 3 x 240 120 3 x 240 120...

Page 52: ...nt description for the Modbus protocol 14 Data point description for the Modbus protocol multicomp F144 3 1Ph 14 1 Modbus commands supported 14 2 Data formats 14 3 Interface parameters 14 4 Device settings 14 5 Data points 14 6 Device information ...

Page 53: ...12345678 Address 0 1 2 3 Contents 0x12 0x34 0x56 0x78 Rule for byte sequence MSB before LSB float Format Complies with the IEEE 754 standard Representation 4 bytes Accuracy 24 bits represent 7 decimal points Composition 24 bit mantissa 8 bit exponent Mantissa 24 bits M 1 bit S Exponent The MSB of the mantissa is always 1 it is not saved separate ly S sign of the mantissa S 1 negative number S 0 po...

Page 54: ...llowing value 10010000000000000000000 The decimal point can be found at the left end of the mantissa preceded by a 1 This position does not appear in the hexadecimal numeric notation If you add 1 and set the decimal point at the beginning of the mantissa the following value is obtained 1 10010000000000000000000 Now the mantissa needs to be adjusted to the exponent A negative exponent shifts the de...

Page 55: ...1 1 Hex 42 35 6A 7F Exponent 10000100 bin 132 dec Exp 132 127 5 Mantissa S 0 Sign positive 01101010110101001111111 bin Decimal point added to the first position of the mantissa 01101010110101001111111 Leading 1 in front of the decimal point 1 01101010110101001111111 Taking the exponent into account 5 101101 010110101001111111 to the left of the decimal point 101101 bin 25 23 22 20 45 dec To the ri...

Page 56: ...n in Table 1 Writing is not possible at present Address Words Description Value Format 0xD002 2 Primary transformer measuring voltage 0 999999 V float 0xD004 2 Secondary transformer measuring voltage 0 999 V float 0xD006 2 Primary transformer measuring current 0 999999 A float 0xD008 2 Secondary transformer measuring current 1 A 5 A float 0xD00A 2 Target CosPhi 1 1 0 1 0 float 0xD00C 2 float 0xD00...

Page 57: ...g 0xD02e 2 Temperature 0 1 C that triggers the stages when the value falls below the threshold 0 700 unsigned long 0xD030 2 Temperature 0 1 C that causes the stages to switch off when the threshold is exceeded 0 700 unsigned long 0xD032 2 0xD034 2 0xD036 2 0xD038 2 0xD03A 2 0xD03C 2 0xD03E 2 Switching performance 0xD042 2 Percentage of smallest available stage before activation 70 150 unsigned lon...

Page 58: ...A 2 0xD05C 2 0xD05E 2 Extras 0xD062 2 Limit for operating cycle message 0 999999 unsigned long 0xD064 2 Low load limit A 0 015 or 0 05 float 0xD066 2 Time until light load switch off in minutes 1 60 unsigned long 0xD068 2 unsigned long 0xD06A 2 Voltage harmonic limit 0 10 unsigned long 0xD06C 2 unsigned long 0xD06E 2 Modbus address 1 247 unsigned long 0xD070 2 Modbus parameters 0 e4800 1 o4800 2 n...

Page 59: ...9 unsigned long 0xD088 2 Operating cycles 0 999999 unsigned long 0xD08A 2 0 unsigned long 0xD08C 2 0 unsigned long 0xD08E 2 0 unsigned long 0xD090 2 Base index for the following stage pa rameters addresses 0xD090 to 0xD09E 1 stage 2 unsigned long 0xD09E 2 0 unsigned long 0xD0A0 2 Base index for the following stage parameters addresses 0xD0A0 to 0xD0AE 2 stage 3 unsigned long 0xD0AE 2 0 unsigned lo...

Page 60: ...E0 2 Base index for the following stage parameters addresses 0xD0E0 to 0xD0EE 6 stage 7 unsigned long 0xD0EE 2 0 unsigned long 0xD0F0 2 Base index for the following stage parameters addresses 0xD0F0 to 0xD0FE 7 stage 8 unsigned long 0xD0FE 2 0 unsigned long 0xD100 2 Base index for the following stage parameters addresses 0xD100 to 0xD10E 8 stage 9 unsigned long 0xD10E 2 0 unsigned long 0xD110 2 Ba...

Page 61: ...3E 2 0 unsigned long Example Modbus RTU Request 01 04 D0 01 00 02 18 CB in which 01 Device address 04 Command D0 01 Read from register 0xD002 Measuring voltage primary transformer in accordance with the Modbus definition the required address must be set to 1 in the request telex 00 02 Read 2 registers i e read 1 data point 18 CB CRC code Response 01 04 04 44 54 80 00 CF 64 in which 01 Device addre...

Page 62: ...float 0x0018 2 Voltage 3rd harmonic float 0x001a 2 Voltage 5th harmonic float 0x001c 2 Voltage 7rd harmonic float 0x001e 2 Voltage 9rd harmonic float 0x0020 2 Voltage 11rd harmonic float 0x0022 2 Voltage 13rd harmonic float 0x0024 2 Maximum missing compensation power var float 0x0026 2 Relay states 12 bit bit 0 stage 1 bit 11 stage 12 bit 13 error message bitwise unsigned long 0x0028 2 Messages bi...

Page 63: ...e harmonics limit reached Bit 06 set Operating cycle limit reached Bit 07 set PFC too small Error messages Bit 00 set No stage power relay set Bit 01 set System temperature switch off Bit 02 set No measuring current Bit 03 set No measuring voltage Bit 04 set Light load operation Bit 05 set Voltage harmonics limit reached Bit 06 set Operating cycle limit reached Bit 07 set PFC too small Data point ...

Page 64: ...tion the required address must be set to 1 in the request telex 00 06 Read 6 registers i e read 3 data points 21 C8 CRC code Response 01 04 0C 43 6B 5A B4 42 DC 67 20 42 48 0C 63 AF 7C in which 01 Device address 04 Command 0C 12 data bytes 43 6B 5A B4 Voltage 235 35 V 42 DC 67 20 Current 110 20 A 42 48 0C 63 Network frequency 50 012 Hz AF 7C CRC code Data point description for the Modbus protocol ...

Page 65: ...ding to the Modbus definition Example Modbus RTU Request 01 2B 0E 01 00 70 77 in which 01 Device address 2B Command 0E MEI type according to the Modbus definition always 0x0E 01 Device ID code for Basic Device Identification see Modbus definition 00 Object ID in our example manufacturer name product name and version 70 77 CRC code Response 01 2B 0E 01 01 00 00 03 00 08 4B 42 52 20 47 6D 62 48 01 1...

Page 66: ...y level see Modbus definition 00 No further information follows no additional telex required 00 Next object ID 03 Number of objects 00 Object ID 00 08 Text length of ID 00 4B 42 52 20 47 6D 62 48 KBR GmbH 01 Object ID 01 12 Text length of ID 01 6D 75 6C 74 69 63 6F 6D 70 20 46 31 34 34 1D 33 20 20 multicomp F144 3 02 Object ID 02 09 Text length of ID 02 20 32 2E 30 30 72 30 31 36 2 00r016 CD DB CR...

Page 67: ...Notes V2 01 25361_EDEBDA0281 2320 1_EN 67 ...

Page 68: ...25361_EDEBDA0281 2320 1_EN Am Kiefernschlag 7 D 91126 Schwabach Germany T 49 0 9122 6373 0 F 49 0 9122 6373 83 E info kbr de www kbr de KBR Kompensationsanlagenbau GmbH ...

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