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MultiCONT

1. prw11a1a0600p_02 53 60 Address Description Data type Comment 5000h Long address of the module LongAddr 5003h__ Module TAG String 8 characters with 0 at the end 5008h Interface module status Unsigned 16 For data types with odd number of bytes the value of the most significant byte 0 7 2 1 HART DEVICE TABLE Query MASTER gt MultiCONT ADDR FNC 03h START QUANTITY CRC 6000h N 0040h 00 33h HI 00h LO 01h 34h HI LO N 0 Dn 1 where Dn is No of HART devices see address 0012h of system variables table Description Data type Comment Long address of the device LongAddr ID of the device TAG String 8 characters 0 at the end Device error Bit 16 Device warning Bit 16 PV unit Unsigned 16 See Table 1 PV primary variable Float Date of the transmitters PV refresh Date Time of the transmitter s PV refresh Time SV unit Unsigned 16 See Table 1 SV secondary variable Float Date of the transmitters SV refresh Date Time of the transmitter s SV refresh Time Unsigned 16 See Table 1 Float 54 60 prw11a1a0600p_02 601bh Date of the transmitter s TV refresh Date 601dh Time of the transmitter s TV refresh Time 601fh QV unit Unsigned 16 See Table 1 6020h QV quaternary variable Float 6022h Date of the transmitters QV refresh Date 6024h Time of the transmitters QV refresh
2. Index list no of the transmitter in the list Unsigned 8 Index 0 Dn 1 see 6 2 5 7 Long address of the transmitter LongAddr Transmitter status Bit32 Code of the dimension of the LEVEL of the transmitter Unsigned 8 See Table 1 LEVEL value Float LEVEL in Sensor range Float TOT dimension Unsigned 8 See Table 1 TOT1 value Unsigned 32 24 60 prw11a1a0600p_02 TOT2 value Unsigned 32 MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the transmitter 6 2 5 4 CSD 3 SUB COMMENT 3 READ SOME TRANSMITTER COMMAND 0 DATA CD 241 f1h CSD 3 03h FCS MultiCONT gt MASTER response CD 241 f1h BC 21 15h Status S 0 and S 1 DATA D 0 D 18 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comments 0 3 MultiCONT status Bit32 4 CSD code of the sub command Unsigned 8 CSD 3 5 Index list no of the transmitter Unsigned 8 _ Index 0 Dn 1 see 6 2 5 7 6 10 Long address of the transmitter LongAddr 11 14 Transmitter status Bit32 15 Code of the HART standard Unsigned 8 5 HART 5 standard 16 Code of the HART command set Unsigned 8 17 SW version of the transmitter Unsigned 8 18 HW version of the transmitter Unsigned 8 prw11a1a0600p_02 25 60 6 2 5 5 CS
3. D n n BC 1 FCS Control Sum Frame Check Sequence length 1 byte Resulting by XOR ing the bytes E g MASTER uses the COMMAND 0 universal command to query MultiCONT to get its identifiers Read unique identifier Short address of the MultiCONT 0 00h Bytes are coded hexadecimally MASTER gt MultiCONT ffh ffh ffh ffh fin ffh 02h 80h 00h 00h 82h A possible MultiCONT response ffh ffh ffh ffh ffh ffh O6h 80h 00h Oeh OOh 00h feh 97h 28h 05h 05h 01h 00h 01h 00h 34h 56h 78h d3h Manufacturer ID 151 97h Device type ID 40 28h Min preamble number Number of preamble requests 5 Universal command code HART version 5 HART 5 Actual MultiCONT command set version Device specific command version 1 HW version 1 SW version 0 MultiCONT flag Device function flag 0 MultiCONT ID Device ID 345678h The long address of the MultiCONT can be structured from the response 97h 28h 34h 56h 78h 14 60 prw11a1a0600p_02 6 1 1 STATUS BYTES The response of the MultiCONT always contains the S 0 and S 1 status bytes S 0 is the result of the command processing S 1 is always 0 Status S 0 Value of S 0 Error description 00 No error COMMAND 241 sub command code CSD error see 6 2 or COMMAND 241 Index value error Insufficient data in command Command is uninterpretable for MultiCONT In case of an error S 0 0 and the response does not contain a DATA field only the
4. Relays Programming Function Status Unsigned 16 see Status register bit assignment Parameter RP1 Float Parameter RP2 Float Parameter RP3 Unsigned 16 Worktime Unsigned 32 In 100 ms precision Switching number Unsigned 32 No of relay state changes Source value Float 52 60 prw11a1a0600p_02 The value the relay state is calculated from mae JAAN bit nn B15 B8 BA B3 82 80 Relay Sale 0 Test ON a seule as RET Rea O inactive 0 Invert OFF eee EE tet OFS ead RPS 1 active 1 Invert ON 1 ON 1 output test 7 2 6 INTERFACE MODULE TABLE Every module Universal Interface Module has a long address and a TAG ID There are 2 units SLOT in a module These slots can be either a relay or a current output If there is only one unit in a module it is always in SLOT1 These units relays and current outputs have their own long addresses and TAGs Query MASTER MultiCONT 4 START QUANTITY CRC ADDR ENCENS 5000h N 0040h 00 08h HI 00h LO 01h 09h HI LO N 0 Bn 1 where Bn is No of interface modules see address 001ah of system variables table Module UIM Manuf ID Type ID Device ID Long address parent 151 50 XXXXXX 0 Unit1 SLOT Manuf ID Type ID Device ID Long address 151 51 relay XXXXXX 1 52 current output 53 input Unit2 SLOT2 Manuf ID Type ID Device ID Long address 151 51 relay XXXXXX 2 52 current output 53 input
5. 22 Date of the transmitter s PV last update Date 23 25 Time of the transmitter s PV last update Time Code of the dimension of the secondary variable 26 SV of the transmitter Unsigned 8 See Table 1 27 30 Secondary variable SV of the transmitter Float 31 33 Date of the transmitter s SV last update Date 34 36 Time of the transmitter s SV last update Time 37 Code of the dimension of the tertiary variable TV of Unsigned8 See Table 1 the transmitter 38 41 Tertiary variable TV of the transmitter Float 42 44 Date of the transmitter s TV last update Date 45 41 Time of the transmitter s TV last update Time Code of the dimension of the quaternary variable 48 QV of the transmitter q y Unsigned 8 See Table 1 49 52 Quaternary variable QV of the transmitter Float 53 55 Date of the transmitter s QV last update Date 56 58 Time of the transmitter s QV last update Time prw11a1a0600p_02 23 60 MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List No of the transmitter CD 241 fin CSD 2 02h MuliCONT MASTER response CD 241 fh BC 35 23h Status S 0 and S 1 DATA D 0 D 32 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description MultiCONT status Data type Bit32 6 2 5 3 CSD 2 SUB COMMAND 2 READ NIVELCO TRANSMITTER DATA Comments CSD code of the sub command Unsigned 8 CSD 2
6. B1 BO LANA OFF 1 Invert ON 6 2 5 10 CSD 211 SUB COMMAND 211 READ RELAY SETUP STATE MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the relay 0 Rn 1 CD 241 fth CSD 211 d3h FCS MulCONT MASTER response CD 241 fh BC 24 18h Status S 0 and S 1 DATA D 0 D 21 See 6 1 1 for contents of the status bytes prw11a1a0600p_02 e 31 60 Contents of the DATA field Byte ser No Description Data type Comment 0 3 MultiCONT status Bit32 4 CSD code of the sub command Unsigned 8 CSD 211 5 Index List no of the relay Unsianed 8 Index 0 Rn 1 9 see 6 2 5 7 6 Relay state register Unsigned 8 7 Relay operating mode Unsigned 8 0 Hyst 1 Alarm 2 Alarm K 3 Window 4 Window D 5 Error 6 Pulse F 7 TOT 8 Alt S see User s and programming manual Main menu Relays Programming Function 8 11 RP1 relay parameter Float 12 15 RP2 relay parameter Float 16 17 RP3 relay parameter Unsigned 16 18 21 Relay source Float The value of the relay state is calculated from this 32 60 prw11a1a0600p_02 6 2 5 11 CSD 212 SUB COMMAND 212 READ RELAY WORKTIME SWITCHING NUMBER MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the relay 0 Rn 1 CD 241 fth CSD 212 d4h FCS MultiCONT gt MASTER response CD 241
7. B6 B5 B4 O output as CP1 CP2 and CP3 O inactive output OmA 1 output test current 1 active 34 60 prw11a1a0600p_02 Index List no of the current outputs Unsigned 8 6 2 5 13 CSD 216 SUB COMMAND 216 READ CURRENT OUTPUT SETUP STATE MASTER gt MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the current outputs 0 Cn 1 CD 244 ER CSD 216 dan FCS MultiCONT gt MASTER response CD 241 fh BC 28 1ch Status S 0 and S 1 DATA D 0 D 25 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comments MultiCONT status Bit32 CSD code of the sub comment Unsigned 8 CSD 216 Index List no of the current output Unsigned 8 Index 0 Cn 1 see 6 2 5 7 current output status Unsigned 8 0 Quantity current output operating mode Unsigned 8 1 Error current 3 6 mA 2 Error current 22 mA CP1 current output parameter Float CP2 current output parameter Float CP3 current output parameter Unsigned 16 current output source Float the value the output current is calculated from current output actual output mA Float prw11a1a0600p_02 35 60 6 2 5 14 CSD 220 SUB COMMAND 220 READ INTERFACE MODULE ID TAG MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the universal interface module UIM 0
8. Bn 1 CD 241 fih CSD 220 dch MuliCONT MASTER response CD 241 f1h BC 20 14h Status S 0 and S 1 DATA D 0 D 17 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comment 0 3 MultiCONT status Bit32 4 CSD code of the sub command Unsigned 8 CSD 220 5 Index List no of the UIM Unsigned 8 Index 0 Bn 1 see 6 2 5 7 6 UIM status Unsigned 8 7 11 Long address of the UIM LongAddr 12 17 UIM Short TAG Packed 8 character packed in 6 bytes 36 60 prw11a1a0600p_02 6 2 5 15 CSD 225 SUB COMMAND 225 READ ONE BINDING When a relay or current output is assigned to a device it is called a binding MASTER gt MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the binding 0 Kn 1 CD 241 fth CSD 225 eth FCS MultiCONT gt MASTER response CD 241 fth BC 19 13h Status S 0 and S 1 DATA D 0 D 16 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comments 0 3 MultiCONT status Bit32 4 CSD code of the sub command Unsigned 8 CSD 225 5 Index List no of the binding Unsigned 8 Index 0 Kn 1 see 6 2 5 7 6 10 Long address of the device LongAddr Long address of the device that a relay current output or input is assigned to 11 15 Long address of the module LongAddr Rela
9. The device does not check if START points to the beginning of the 4 or more byte variables It does not generate an error message and sends the incomplete variable START LO 00h 30h Description Data type Comment MultiCONT long address LongAddr MultiCONT TAG String 8 characters with 00h at the end ins 10 characters with 00h at the end MU ONES String see User s and programming manual order code MultiCONT status Bit 32 MultiCONT short address Unsigned 16 __ 0 31 polling MultiCONT Software version Unsigned 16 No of HART devices Dn Unsigned 16 No of active or inactive HART devices in the device list prw11a1a0600p_02 47 60 0013h No of possible HART devices Unsigned 16 see User s and programming manual order code 0014h Sum of internal and external relays Rn Unsigned 16 0015h No of internal relays Unsigned 16 0016h No of possible relays Unsigned 16 Sum of possible internal or external relays Sum of internal and external curr 0017h outputs Cn Unsigned 16 0018h No of internal curr outputs Unsigned 16 0019h No of possible curr outputs Unsigned 16 Sum of possible internal or external curr outputs 001ah No of interface modules Bn Unsigned 16 A module can be relay curr output combined 001bh No of possible interface modules Unsigned 16 001ch No of binding
10. Time 6026h Device output current mA Float 6028h Level Sensor Range Float 602ah TOT unit Unsigned 16 See Table 1 602bh TOT1 Unsigned 32 602dh TOT2 Unsigned 32 602fh HART statistics Float Receive transmission in 6031h Device HW version Unsigned 16 6032h Device SW version Unsigned 16 6033h HART command set Unsigned 16 For data types with odd number of bytes the value of the most significant byte 0 7 3 CHECKING OF BINDINGS FNC 08H This function tests the data transfer between Master and Slave Only 00 00h Sub Function can be used that sends back data like an echo Response MASTER gt MultiCONT ADDR FNC 08h Pe Arbitrary Byte1 Arbitrary Byte2 CRCHI CRCLO Response ADDR FNC 08h Arbitrary Byte1 Arbitrary Byte2 CRC HI CRCLO prw11a1a0600p_02 e 55 60 7 4 REMOTE PROGRAMMING OF THE TRANSMITTERS FNC 17H HART OVER MODBUS Knowing the Knowing the HART commands of the transmitters with the help of USER RS485 interface of MultiCONT process controller this case MultiCONT acts as a bridge there is a possibility to perform remote programming of the connected transmitters This can be done the following way Detailed description of the remote programming can be found in USER RS485 protocol for MultiCONT programming manual Request MASTER gt MultiCONT the MASTER inserts the HART frame to the data field of the MODBUS frame which is sent by the MultiCONT to the transmitte
11. fth BC 23 17h Status S 0 and S 1 DATA D 0 D 20 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comment 0 3 MultiCONT status Bit32 4 CSD code of the sub command Unsigned 8 CSD 212 5 Index List no of the relay Unsigned 8 Index 0 Rn 1 see 6 2 5 7 6 Relay state register Unsigned 8 7 10 Relay worktime Unsigned 32 In 100 ms resolution 11 14 Relay switching number Unsigned 32_ No of relay state changes 15 18 Relay TOT2 Unsigned 32 19 20 Relay TOT2 PULSE Unsigned 16 prw11a1a0600p_02 33 60 6 2 5 12 CSD 215 SUB COMMAND 215 READ CURRENT OUTPUT ID TAG MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of current outputs 0 Cn 1 CD 241 fin CSD 215 d7h MultiCONT gt MASTER response CD 241 f1h BC 25 19h Status S 0 and S 1 DATA D 0 D 22 See 6 1 1 for contents of the status bytes Contents of the DATA field 0 3 MultiCONT status Bit32 CSD code of the sub command Unsigned 8 CSD 215 Index 0 Cn 1 see 6 2 5 7 current output state register Unsigned 8 See current outputs state reg bit assignment Long address of the current outputs LongAddr Long address of the current output parent LongAddr current outputs short TAG Packed 8 character packed in 6 bytes Current output state register bit assignment B B7
12. of the transmitter LongAddr Bit31 16 error bits 11 14 EL status Bit32 See User manual of the transmitters Bit15 0 state bits For service purposes Code of the dimension of the primary variable PV 15 of the transmitter Unsigned 8 See Table 1 16 19 Primary variable PV of the transmitter Float 20 22 Date of the transmitter s PV last update Date 23 25 Time of the transmitters PV last update Time 26 29 Tank content in Sensor range Float 30 33 Output current of the transmitters Float 20 60 prw11a1a0600p_02 Table 1 Dimension codes Dimension Dimension Dimension Dimension 0 40 gal 80 Ibis 133 bbl min 1 inH20 68 F 41 L 81 Ib min 134 bbl h 2 inHg 0 C 42 Impgal 82 Ibid 135 bbl d 3 ftH20 68 F 43 m3 83 Ibid 136 galih 4 mmH20 68 F 44 ft 84 STon min 137 Impgal s 5 mmHg 0 C 45 m 85 STon h 138 L h 6 psi 46 bbl 86 STon d 139 ppm 7 bar 47 in 87 LTon h 140 8 mbar 48 cm 88 LTon d 141 HJ h 9 glem 49 mm 89 142 10 kg cm 50 min 90 143 deg 11 Pa 51 S 91 glem 144 rad 12 kPa 52 h 92 kg cm 145 inH20 60 F 13 torr 53 d 93 Ib gal 146 14 atm 54 94 Ib ft3 147 15 Fts 55 95 g mL 148 16 min 56 uS 96 kg L 149 Vol 17 Limin 57 97 g L 150 18 Impgal min 58 V 98 Ib in3 151 19 M3 h 59 pH 99 STon yd 152 ft lb 20 ft s 60 g 100 _ ya 153 pF 21 m s 61 kg 111 ft 154 mL L 22 gal s 6
13. 1 V LE MultiCONT Description of the USER RS485 protocol for MultiCONT 2 editon Manufacturer NIVELCO Process Control Co H 1043 Budapest Dugonics u 11 Phone 36 1 889 0100 Fax 36 1 889 0200 E mail sales nivelco com m www nivelco com prw11a1a0600p_02 e 1 60 CONTENTS AAINTRODUGTION RE EE OR NE ER OE RE Aa 3 ide Ao NEE RE EE EE EE EE RE A GAN gina 3 Si OPERATION ER RE EE EE EE EE EE N EE n a neh 4 31 Electrical layOUE SE EERS EES GO GR eek ees Naku OR GE ua ek eka ee GE OE Ae tk tebe seine ced heehee NA Ge 4 3 2 Connecting MultiCONT programming units via RS485 interface ee se ek ee eek Ge Geek Ge Ge Rek Ge Ge Rek ee Ge Re Gee Ge Rek ee Ge Rek ee Ge Rek ee Ge Rek ee Ge Rek ee Ge Rek ee Ge ek ee 5 S S Recommendations for building A NotWork ie gee RE EE GE de EL Ge sain Anahi AE KAN ge PAN GE Ge Ee Ge ee ee Mam Re Eg Go de eek eg 5 3 4 Application example views RE NE RE EE EE ek EE AN 7 A DATA TRANS ER e ee se eie Ge ee eke ee Se Ge NG ee dese sk en wee ee dee se oe gee Vee ok oe gee ee a A eende dee ve Ak oe SR oe Ee ee ee ke ede ee ok Se SE be ee ee a 8 5 DATA TY PES scsi seis RE OE EE OE AKAN 9 6 DESCRIPTION OF THE HART PROTOCOL c ssssssssssssssssssesesesessesesesesesssesesseaesessseseseaceessesnsneeseseaeseeseseseseseatanaeseseasaeasaesseseensees 12 6 1 Command STUE sis EE ENDAH KN teal 13 6 2 GOMMANGS kasiyan EE EE BESAN NK Anaad eM 16 T MODBUS RTU PROTOCOL ae a ana Ga N ve ee ee eb ees ga ve e
14. 1mA Uin 7V max 0 8 mA Input ESD Impulse Protection Imax 8 20 us 400 A Wmax 1 5 J 2 ms 8kV ESD DC galvanic isolation Communication protocol selectable from menu Input current prw11a1a0600p 02 e 3 60 3 OPERATION 3 1 ELECTRICAL LAYOUT The RS485 interface converts the TTL level asymmetric unbalanced full duplex serial signals of the MultiCONT to standard RS485 symmetric balanced half duplex signals Terminate the A and B cables of the interface with the 12002 resistor enabled by the K1 switch Rx Qe Tx Galvanic RS485 Protecting e K1 z isolator converter circuit 1200 Figure 1 Scheme of the RS 485 interface MultiCONT Terminal resistor On Off je IPA The K1 switch is O beside the jo Ki connecting G H terminals KA Ere 20 21 22 LLL TEE ETE TE NAN 1200 1200 B B Figure 2 Position of the connection terminals and K1 switch 4 60 e prw11a1a0600p_02 3 2 CONNECTING MULTICONT PROGRAMMING UNITS VIA RS485 INTERFACE MultiCONT units can be arranged in a network via the RS485 interface This way a very simple cost effective 2 wire STP network can be set up When setting up the network the instructions for building a computer network should be taken into consideration chapter 3 3 3 3 RECOMMENDATIONS FOR BUILDING A NETWORK The most important thing is that the communication line should be closed on both ends with terminal resistors and only at the t
15. 2 MetTon 112 in 155 uL L 23 Mgal d 63 Ib 113 Jinis 163 kohm 24 Lis 64 STon 114 Jinis 164 MJ 25 ML d 65 LTon 115 in min 235 gal d 26 ft s 66 mS cm 116 ft min 237 Mpa 27 ft3 d 67 uS cm 117 __ deg s 238 inH208 amp 4 C 28 mi s 68 N 118 revis 239 mmH20 4 C prw11a1a0600p_02 e 21 60 mid Impgal h gls Impgal d g min C gih SF kg s R kg min Kelvin kg h mV kg d ohm MetTon min Hz MetTon h m min mA MetTon d Dblis 6 2 5 2 CSD 1 SUB COMMAND 1 READ TRANSMITTER PV SV TV QV ALL WITH TIME MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index list No of the transmitter CD 241 fth CSD 1 01h FCS MuliCONT MASTER response CD 241 f1h BC 61 3dh Status S 0 and S 1 DATA D 0 D 58 See 6 1 1 for contents of the status bytes 22 60 prw11a1a0600p_02 Contents of the DATA field Byte ser No Description Data type Comment 0 3 MultiCONT status Bit32 4 CSD code of the sub command Unsigned 8 CSD 1 Index 0 Dn 1 5 Index List No of the transmitter Unsigned 8 see 6 2 5 7 6 10 Long address of the transmitter LongAddr 11 14 Transmitter status Bit32 15 Code of the dimension of the PV of the transmitter Unsigned 8 See Table 1 16 19 Primary variable PV of the transmitter Float 20
16. 2 status bytes S 0 40 S 1 0 PA sD AD CD BC 2 Status FCS prw11a1a0600p_02 15 60 HART commands for communication with MultiCONT HART command Sub comm Description CD CSD 0 Read MultiCONT unique ID 12 Read MultiCONT message 13 Read MultiCONT TAG descriptor date 16 Read final assembly number 0 Read Transmitter PV with time percent current 2 4 Read transmitter PV SV TV QV all with time 2 Read NIVELCO Transmitter data 3 Read some Transmitter Command 0 data 4 Read Transmitter TAG descriptor date 5 Read Transmitter Message 200 Read MultiCONT Registers 201 Read Error block 210 Read Relay ID TAG 211 Read Relay setup status 212 Read Relay work time switching number 215 Read Current Output ID TAG 216 Read Current Output setup status 220 Read Universal interface module ID TAG 225 Read one binding 242 Remote programming of transmitters HART over HART 16 60 4 prw11a1a0600p_02 6 2 1 COMMAND 0 READ MULTICONT UNIQUE ID MASTER gt MultiCONT Contents of PA SD and AD fields See 6 1 Command structure MultiCONT gt MASTER response BC 14 Oeh Status S 0 and S 1 DATA D 0 D 11 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comment 0 204 feh Unsigned 8 Does not change 1 MultiCONT Manufacturer ID Unsigned 8 Always 151 97
17. 7h of system variables table Description Data type Comment 3000h Long address of current output LongAddr 3003h Long address of curr output parent LongAddr 3006h Current output TAG String 8 characters with 00h at the end 300bh Current output operating mode Unsigned 16 0 uantity 1 Error current 3 6 mA 2 Error current 22 mA 300ch Status register Bit 16 see Status register bit assignment 300dh Parameter CP1 Float 300fh Parameter CP2 Float 3011h Parameter CP3 Unsigned 16 3012h Actual output current mA Float 3014h Source value Float The value the output current is calculated from B15 B6 Status register bit assignment O inactive output 0 mA B3 B2 B1 BO 00000000 00 O output as CP1 CP2 and CP3 1 output test current 1 active prw11a1a0600p_02 e 51 60 7 2 5 RELAY TABLE Query MASTER MultiCONT START QUANTITY CRC 4000h N 0040h 00 16h ADDR FNC 0x03 HI 00h LO 0th 17h HI LO N 0 Rn 1 where Rn is No of relays see address 0014h of system variables table Data type LongAddr Description Long address of the relay Comment Long address of the relay parent Longaddr Relay TAG String 8 characters with 0 at the end Relay operating mode Unsigned 16 O Hyst 1 Alarm 2 Alarm K 3 Window 4 Window D 5 Error 6 Impulse F 7 TOT1 8 Alt S see User s and programming manual Main menu
18. D 4 SuB COMMAND 4 READ TRANSMITTER TAG DESCRIPTOR DATE MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the transmitter CD 241 fin CSD 4 04h MultiCONT MASTER response CD 241 f1h BC 38 15h Status S 0 and S 1 DATA D 0 D 35 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comment 0 3 MultiCONT status Bit32 CSD code of the sub command Unsigned 8 CSD 4 5 Index List no of the transmitter Unsigned 8 Index 0 Dn 1 see 6 2 5 7 6 10 Long address of the transmitter LongAddr 11 14 Transmitter status Bit32 15 20 Short TAG of the transmitter Packed 21 32 Transmitter specific command version Packed 33 35 Transmitter date Packed 26 60 prw11a1a0600p_02 6 2 5 6 CSD 5 SUB COMMAND 5 READ TRANSMITTER MESSAGE MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the transmitter CD 241 f1h CSD 5 05h FCS MultiCONT gt MASTER response CD 241 fh BC 41 29h Status S 0 s S 1 DATA D 0 D 38 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comment MultiCONT status Bit32 CSD code of the sub command Unsigned 8 CSD 5 Index List no of the transmitter Unsigned 8 Index 0 Dn 1 see 6 2 5 7 Long address of the transmi
19. M BCNTx Data field DEV HART frame MultiCONT HART frame PRE 0x86 Long address DEV Long ADDR CMDx BCNTy Data CHK FACT ID T ID D IDH D IDM D IDL field prw11a1a0600p_02 e 57 60 Answer MuliCONT MASTER MODBUS protocol ADDR FNC 17h BCNT DATAFIELD BCNT Read QUANTITY 2 DATAFIELD contains the HART response of the transmitter with the list number of the transmitter in the long address field Example Reading P04 parameter max measurement distance of SE 380 ultrasonic transmitter MultiCONT address 1 third in the DEV list N 2 Parameters of the transmitters can be read with the COMMAND131 and its parameter number is to be entered in the data field in 1 byte PO4 4 parameter See HART communication description of the transmitters Master gt gt MultiCONT 01 17 70 80 00 08 70 80 00 02 04 83 01 04 00 4D 08 MultiCONT FNC Read Read Write Write BCNT Data field Padding byte CHK address START QUANTITY START QUANTITY complementing to even The grayed fields are encapsulated added to the DEV long address MultiCONT gt gt DEV SE 380 FF FF FF FF FF 82 97 03 02 00 21 83 01 04 B3 preamble start byte DEV long address CMDx 131 BCNTx P04 CHK 58 60 prw11a1a0600p_02 DEV gt gt MultiCONT FF FF FF FF FF 86 97 03 02 00 21 83 0D 00 08 00 00
20. T Polling address menu point in the USER S AND PROGRAMMING MANUAL The process control computer MASTER uses these addresses when initiating the communication with the MultiCONT units Properties of the serial data transfer Data transfer speed BAUDRATE 9600 Data length 8 bit Parity none even odd Number of stop bits 1or2 The central process control computer sends a command to the MultiCONT unit and then waits for a response The length of the response varies so for content description see chapter 6 HART and 7 MODBUS To ensure data transfer reliability every command and response is equipped with either a CRC code MODBUS or an FCS checksum HART which enable error detection If there is no response from the MultiCONT the causes may be the following Broken cable When the system is turned off using an Ohm meter 60Q can be measured between points A and B at the terminal of any device points A and B are inverted does not damage the device the address of the device has changed Due to noise on the data transfer line the MultiCONT is unable to interpret the relevant command and does not respond or the central process control computer cannot interpret the response In such cases the commands should be repeated It is also useful to check the grounding of the cable shielding Shielding that is not grounded or grounded at multiple points may generate noise on the line terminal resistors are not pres
21. aster MultiCONT HART frame HART frame MultiCONT Long ADDR CMD BCNT Data PRE 0x82 DEVn CMDx BCNTx CHK PR FACT D T D D IDH D ADM DDL 242 BEET dev cik Jo Nee Ka y y y DEVn list number of the transmitter 0 Dn 1 Since the communication between the MultiCONT and the transmitters uses the long address the frame is added with the long address of the transmitter MultiCONT DEV HART frame HART frame PRE 0x82 DEV Pong ADDR CMDx BcnTx Paa CHK FACT ID T ID D IDH D IDM D IDL field Response DEV HART frame MultiCONT HART frame PRE 0x86 Long address DEV Long ADDR CMDx BCNTy Data CHK FACT ID T ID D IDH D IDM D IDL field y y Encapsulation of the transmitter s response frame MultiCONT HART Master HART frame el MultiCONT Long ADDR CMD BCNT Data PRE 0x82 DEVn CMDx BCNT CHK PRE FACT ID T ID_ D IDH D IDM D IDL 242 BCNTy 3 De ox Bev field OK DEVn DEV list number of the transmitter 0 Dn 1 prw11a1a0600p_02 39 60 Example Reading P04 parameter max measurement distance of SE 380 ultrasonic transmitter MultiCONT long address 97h 28h DB8ACOh FACT ID T ID and D ID in order which can be read with COMMANDO with the short address DEVn 0 so the transmitter has the first position in the DEV list Parameters of the transmitters can be read with the COMMAND131 device specific HART address and its parameter number
22. d Byte ser No Description Data type Comment 0 3 MultiCONT status Bit32 4 CSD code of the sub command Unsigned 8 CSD 201 5 Index List no of the error Unsigned 8 Index 0 En 1 see 6 2 5 7 6 10 Long address of the faulty device LongAddr See MultiCONT User s and programming 11 Code of the error type Unsigned 8 manual prw11a1a0600p_02 29 60 6 2 5 9 CSD 210 SUB COMMAND 210 READ RELAY ID TAG MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the relay 0 Rn 1 CD 241 fth BC 2 CSD 210 d2h MultiCONT gt MASTER response CD 241 f1h BC 25 19h Status S 0 and S 1 DATA D 0 D 22 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comment 0 3 MultiCONT status Bit32 4 CSD code of the sub command Unsigned 8 CSD 210 5 Index List no of the relay Unsigned 8 Index 0 Rn 1 see 6 2 5 7 6 Relay state register Unsigned 8 See Relay state reg bit assignment 7 11 Long address of the relay LongAddr 12 16 _ Long address of the relay parent LongAddr 17 22 Relay Short TAG Packed 8 character packed in 6 bytes Relay state 0 ON 1 OFF 30 60 prw11a1a0600p_02 Relay state es Es men bit assignment EE pe N as VEE EE ES ol 0 Test ON O output RP1 RP2 and RP3 1 Test OFF 1 output test as B6 OE OFF 1 active B2
23. ee address 001dh of the system variables table Data type 1000h Long address of the error source LongAddr MultiCONT long addr of faulty device or module See MultiCONT Users and programming manual 6 Error codes For data types with odd number of bytes the value of the most significant byte 0 1003h Error code Unsigned 16 prw11a1a0600p_02 e 49 60 7 2 3 BINDINGS TABLE When a relay or current output is assigned to a device it is called a binding there can be max 100 bindings Query MASTER MultiCONT START GUANTITY CRC ii ei 2000h N 0040h 00 06h HI 00h LO 0th 07h HI LO N 0 Kn 1 where Kn is no of bindings see address 001ch of the system variables table Description Data type Comment Long address of HART device LongAddr Long address of the device that a relay curr gen output or input is assigned to Module long address LongAddr Relay or current generator Mode Bit16 See Mode register bit assignment For data types with odd number of bytes the value of the most significant byte 0 Mode register bit assignment B15 B5 ad Ba NP BE P lt TU 00 assigned with positive sign 00000000 000 01 assigned with negative sign 1x assigned averaged 50 60 prw11a1a0600p_02 7 2 4 CURRENT OUTPUT TABLE ADDR FNC 0x03 START QUANTITY CRC 3000h N 0040h 00 13h HI 00h LO 01h 14h HI LO N 0 Cn 1 where Cn is No of current outputs see address 001
24. ek d aga Ga AN ee este ese ee ei ee eek a na 41 VReading bit variables ENGSO1R saenga set vente naga E NA bas na kaag E iat kh Bag nial entre eee ga aa ena gag veer 44 1 2 Reading tables variables FNG OSN pracie tiini ga dense meiek a A TA EDAN ee BA e Kh ek MEA ee a a apah Ke e d nan Ega PR Ae de ne ee es ke ena nee 46 To Checking of bindingS FNC 08N ER ER aje ANGEN DEN AG AA A teeth AENG NANG EE NGGANGGU KA KANGGE AGA A ena a Gaga 55 7 4 Remote programming of the transmitters FNC 17h HART over MODBUS u eise ee se ek ee ge ek Ge Geek Ge Ge Rek ee Ge Rek ee Ge Rek ee Ge Rek ee Ge Rek ee Ge Rek ee Ge ek ee 56 2 60 e prw11a1a0600p 02 1 INTRODUCTION The USER RS485 interface of the MultiCONT provides the possibility of serial data transfer to the central process control computer or PLC Using HART over MODBUS or HART over HART communication protocol there is a remote programming possibility of the connected transmitters to change the identification and operational parameters This case the MultiCONT acts as a bridge in the communication Moreover it is possible to query the following values Measurement values of the transmitters System configuration MultiCONT settings relays current outputs number of universal interface modules and its settings Relays and current outputs assigned to the transmitters Error list 2 TECHNICAL DATA Serial data format Input resistance K1 open Built in terminal resistor Uin 12V max
25. ent or connected at wrong points there are multiple MASTER units in the system and they jam each others communication 8 60 prw11a1a0600p_02 MultiCONT flashes a character when interpreting a relevant command and this helps in discovering errors A 600 ms flash appears each time the MultiCONT receives and interprets a command 1 SE 300 1 LEV M 5345 n 5 DATA TYPES The following data types can be found in the responses 5 1 String This is a sequence of ASCII characters ending in 00h e g string aba123 byte seguence 41h 42h 61h 31h 32h 33h OOh 5 2 Packed Packed string HART protocol In string variables the 8 bit ASCII characters are packed into 6 bits 4pcs of 8 bit character fit into 3 bytes as shown below Packed ASCII character set ap 4567 89AB M N N F 0 prw11a1a0600p 02 9 60 5 3 5 4 e g P 58 in compressed format Byte N Byte N 1 Byte N 2 0 1 0 0J0 O0O 1 O0O 1 10 11 1 JO0O 1N 1 1 1 1 1 0 0 0 EE Pe AE Re TR N ES N In HEX format 42h ddh f8h Float Floating point number An IEEE 754 standard 4 byte long single precision floating point number Byte N Byte N 1 Byte N 2 Byte N 3 E 8 bits exhibitor M 23 bits base S sign of the mantissa 0 positive 1 negative Calculation 1 S 2 E 127 4 M Unsigned unsigned integer Binary description of an integer number that may be unsigned 8 1 byte integer 0 255 eg 151 unsigned 8 1001 0111 97
26. gs See 7 3 Read write of multiple variables Remote programming of transmitters registers HART over MODBUS 42 60 prw11a1a0600p_02 Response MuliCONT MASTER Response if no error DATA bytes aati BENT B 0 B BCNT 1 ss BCNT no of DATA bytes in the response When reading bit variables FNC 01 BCNT QUANTITY 8 if no residue In case of a residue BCNT QUANTITY 8 1 When reading variables FNC 03 BCNT 2 QUANTITY Response on error FNC sent back FNC received 0x80 1 MultiCONT can not interpret the command 2 Bad START value 3 Bad QUANTITY value QUANTITY 0 QUANTITY or START QUANTITY is beyond the end of the table 4 INDEX error 5 Other error during receive or conversion 6 FNC 17h error during HART communication prw11a1a0600p_02 e 43 60 7 1 READING BIT VARIABLES FNC 01H Query MASTER MultiCONT START QUANTITY CRC LO HI LO HI LO ADDR FNC 0x01 Bit field description Comment N 0 Dn 1 where Dn is no of HART devices 1 active If a device is inactive it appears in the device list but MultiCONT does not query itl N 0 Rn 1 where Rn is no of the relays Activelinactive relay 00 10h N 1 active Active inactive device 00 00h N O inactive relay always is in de energised state N 0 Rn 1 where Rn is no of the relays Relay state 00 50h N 1 ON energised state O OFF de energised state N 0 Cn 1 where Cn is no of the curr o
27. h unsigned 16 2 byte integer 0 65 535 eg 5751 unsigned 16 0001 0110 01110111 1677h the two bytes in H L sequence unsigned 24 3 bytes integer 0 16 777 215 unsigned 32 4 bytes integer 10 60 prw11a1a0600p_02 5 5 5 6 5 7 5 8 Bit 1bit information encoded in bytes 1 TRUE 0 FALSE Bit 16 16 bit information encoded in 2 bytes Bit 32 32 1bit information encoded in 4 bytes Date Date encoded in 3 bytes Byte N 1 Byte N 2 year 1900 y day month O O0 O0O d djdjdjd JO JO O0 JO m m m m Time Time encoded in 3 bytes Byte N 1 hour minute Byte N 2 0 0 0 hih hih hf O O mim mim mim LongAddr Long address in 5 bytes Byte N Byte N 1 Byte N 2 Byte N 3 Byte N 4 Manufact ID MID Type ID TID Device ID DID For a NIVELCO device Manufacturer ID 151 97h second 0O JO0O s s s s s s prw11a1a0600p 02 e 11 60 6 DESCRIPTION OF THE HART PROTOCOL Setting Main menu MultiCONT config USER RS484 HART prot Communication is in accordance with the standard commands of HART 5 These commands can be universal COMMAND 0 12 13 and 16 device specific COMMAND 241 242 Timing Time between two bytes should be less than 4 ms MASTER Command n byte MultiCONT Response n byte Typically 5 ms max 0 5 5 In case of COMMAND 242 1 5 sec Figure 6 Timing 12 60 e prw11a1a0600p_02 6 1 COMMAND STRUCTURE There are two types
28. h 2 Device type ID Unsigned 8 Always 40 28h 3 Number of preamble requests Unsigned 8 See 6 1 Command structure 4 HART version Unsigned 8 5 HART 5 standard 5 Device specific command version Unsigned 8 6 SW version Unsigned 8 7 HW version Unsigned 8 _ For present SW type 8 Device function flags Unsigned 8 presently 0 9 11 MultiCONT Device ID Unsigned 24 In order of H L prw11a1a0600p_02 e 17 60 6 2 2 COMMAND 12 READ MULTICONT MESSAGE MASTER gt MultiCONT Contents of PA SD and AD fields see 6 1 Command structure CD 12 Och MultiCONT gt MASTER response CD 12 Och BC 26 1ah Status S 0 and S 1 DATA D 0 D 23 FCS See 6 1 1 for contents of the status bytes Content of the DATA field the 32 character MultiCONT message expanded to 24 bytes Data type MultiCONT Message Default MultiCONT PROCESS CONTROLLER 6 2 3 COMMAND 13 READ MULTICONT TAG DESCRIPTOR DATE MASTER gt MultiCONT Contents of PA SD and AD fields see 6 1 Command structure CD 13 Odh MultiCONT gt MASTER response CD 13 Odh BC 23 17h Status S 0 and S 1 DATA D 0 D 20 See 6 1 1 for contents of the status bytes Contents of the DATA field 8 character MultiCONT TAG packed into 6 bytes 16 character MultiCONT descriptor packed into 12 bytes Date coded in 3 bytes Byte ser No Description Data type Comments MultiCONT TAG Default P 200 MultiCONT descriptor Default MultiCONT P 200 Da
29. is to be entered in the data field in 1 byte PO4 4 parameter See HART communication description of the transmitters Master gt gt MultiCONT FF FF FF FF FF 82 97 28 DB 8A CO F2 04 00 83 01 04 DC preamble start byte MultiCONT long address CMD 242 BCNT DEVn CMDx 131 BCNTx P04 CHK The grayed fields are encapsulated added to the DEV long address MultiCONT gt gt DEV SE 380 FF FF FF FF FF 82 97 03 02 00 21 83 01 04 B3 preamble start byte DEV long address CMDx 131 BCNTx P04 CHK DEV gt gt MultiCONT FF FF FF FF FF 86 97 03 02 00 21 83 oD 00 08 00 00 preamble start byte DEV long address CMDx 131 BCNTy S 0 S 1 DEV err 4305 04 04 2D 3F E8 F5 C3 3D DEV status P04 Attr P04 dimension P04 value CHK The grayed fields are encapsulated added to the list number of the transmitter and sent to the MASTER MultiCONT gt gt MASTER FF FF FF FF FF 86 97 28 DB 8A CO F2 10 00 83 0D preamble start byte MultiCONT long address CMDx 242 BCNT BCNTy 3 DEVn CMDx 131 BCNTy 00 08 00 00 43 05 04 04 2D 3F E8 F5 C3 46 S 0 S 1 DEVerr DEV status P04 Attr P04 dimension P04 value CHK In the response PO4 1 82 m 40 60 prw11a1a0600p_02 7 MODBUS RTU PROTOCOL Setting Main menu MultiCONT config USER RS484 MODBUS prot Data transfer use
30. ltiCONT START QUANTITY CRC ADDR FNC 0x03 LO HI LO Hi LO Tables Comment 0 System variables 00 00h 1 Error table 10 00h N 0040h N 0 En 1 where En is no the error log entries 2 Bindings table 20 00h N 00040h N 0 Kn 1 where Kn is no of the binding 3 Curr output table 30 00h N 0040h N 0 Cn 1 where Cn no of curr outputs 4 Relay table 40 00h N 0040h N 0 Rn 1 where Rn is no of relays 5 Interface module table 50 00h N 0040h N 0 Bn 1 where Bn is no of UIMs 6 Device table 60 00h N 0040h N 0 Dn 1 where Dn is no of HART devices ee aus 70 00h N 0040h N 0 Dn 1 where Dn is the number of HART devices START starting address of the data field QUANTITY No of queried 16 bit data QUANTITY gt 0 N INDEX Response MuliCONT MASTER lt DATA bytes CRC ADDR FNC 0x03 BCNT B 0 B BCNT 1 BCNT 2 x QUANTITY Example Reading RP3 123 parameter of the 3 relay in the relay list serial number of the 1st and 3 relay is 0 and 2 MultiCONT address 1 Index 2 Start 4011h 0080h 4091h Quantity 0001h RP3 is unsigned 16 i e 2 bytes 46 60 prw11a1a0600p_02 Query Response Byte description Hex Byte description Hex MultiCONT address MultiCONT address Function code FNC Function code FNC Start address HI No of bytes BCNT Start address LO RP3 HI Quantity HI RP3 LO Quantity LO CRC HI CRC HI CRC LO IMPORTANT
31. of commands depending on whether the access direction is MASTER gt MultiCONT or MuliCONT MASTER and their lengths are variable Data field 1 SO TSA D 0 D n PA SD JAD CD BC Status DATA Calculation of FCS PA Preamble with a length of 6 bytes 6x 1111 1111 ffh bitstream SD Start byte shows the direction of the communication and addressing mode MASTER gt MultiCONT Short address 0000 0010 02h Long address 1000 0010 82h MuliCONT MASTER Short address 0000 0110 06h 86h Long address 1000 0110 86h AD Address field its length may be short 1 byte or long 5 byte Short address 100x xxxx 80h xxh where x 0 31 is the Short address of the MultiCONT see Main menu MultiCONT config HART Short address eg if the Short address Polling address 13 then AD 1000 1101 8dh Long address 5 byte 1 MID Manufacturer ID for NIVELCO instruments 151 97h 2 TID Device type ID MultiCONT 40 28h 3 5 DID Device ID different for each MultiCONT Direction of communication phon dees AD 5 byte MASTER MultiCONT 02h 80h xxh 82h MID TID DID MultiCONT MASTER 06h 80h xxh 86h MID TID DID prw11a1a0600p_02 13 60 CD HART command code 1 byte BC No of bytes in Status and DATA fields Length 1 byte Status no status for MASTER MUulCONT transfer 2 bytes long status S 0 and S 1 always present for MuliCONT MASTER transfer See 6 1 1 DATA Data field byte notation D 0
32. preamble start DEV long address CMDx 131 BCNTy S 0 S 1 DEV err byte 43 05 04 04 2D 3F E8 F5 C3 3D DEV status P04 Attr P04 dimension P04 value CHK The grayed fields are encapsulated added to the list number of the transmitter and sent in the MODBUS frame to the MASTER MultiCONT gt gt MASTER 01 17 10 83 0D 00 08 00 00 43 05 04 04 2D 3F E8 F5 C3 00 BC 13 MultiCONT FNC BCNT Data field the response HART frame Padding byte CHK address without long address complementing to even In the response PO4 1 82 m prw11a1a0600p_02 e 59 60 prw11a1a0600p_02 doc January 2011 NIVELCO reserves the right to change technical data without notice 60 60 prw11a1a0600p 02
33. rs the MultiCONT unpack the HART frame and sent to the transmitter the MultiCONT pack the HART answer of the transmitter and send it o the MASTER in the data field of the MODBUS frame in accordance to the following drawing Transmitter 1 Transmitter 2 MultiCONT MASTER PC PLC HART over MODBUS Transmitter 15 56 60 prw11a1a0600p_02 Query MASTER MultiCONT MODBUS protocol Read Write ADDR FNC 17h START QUANTITY QUANTITY DATAFIELD LO Read Write Start 7000h N 0040h N 0 Dn 1 where Dn is the list number of the transmitter The content of Read QUANTITY field is depending on the length of the response HART frame If the response HART frame is consists from Nr byte the Read QUANTITY Nr 2 In case of odd Nr the Read QUANTITY Nr 2 1 and in the response the content of the last padding byte complementing to even is 00h The Write QUANTITY is depending on the length of the packed HART frame if its length is Nw then Write QUANTITY Nw 2 In case of odd Nw the Write QUANTITY Nw 2 1 the content of the last padding byte complementing to even is 00h Write BCNT Write QUANTITY 2 The DATAFIELD contains a HART frame where the list number of the transmitter should be entered instead of the long address The following frame is sent by the MultiCONT which contains the long address MultiCONT DEV HART frame HART frame DEV Long ADDR 5 FACTAD 3 DD
34. s Kn Unsigned 16 fie Sen GEE OO Me 001dh No of errors logged En Unsigned 16 001eh No of N485 interface module Unsigned 16 EE na ak 001fh MultiCONT Date Date 4 bytes in 00h day month year sequence 0021h MultiCONT Time Time 4 bytes in 00h hour minute sec sequence 0023h MultiCONT worktime Unsigned 32 Working time in 100 ms precision 0025h MultiCONT switching number DAE eee eee meee erm ue 0026h Retrial count Unsigned 16 See User s and programming manual 5 4 6 7 0027h Cycle count Unsigned 16 See User s and programming manual 5 4 6 8 0028h Cycle time Unsigned 16 See User s and programming manual 5 4 6 9 0029h MultiCONT temperature Float 002bh MultiCONT max temperature Float 002dh MultiCONT min temperature Float 002fh_ CS of MultiCONT software Unsigned 16 0030h MultiCONT display mode Unsigned 16 For data types with odd number of bytes the value of the most significant byte 0 48 60 prw11a1a0600p_02 7 2 2 ERROR TABLE An error may have different causes MultiCONT internal error e g Programming error during communication with a HART device e g Response error or device error e g Sensor error The error log entry contains the long address of the faulty device or module and the error code Query MASTER MultiCONT START QUANTITY CRC ADDR ENCORO 1000h N 0040h 00 03h HI 00h LO 01h 04h HI LO N 0 En 1 where En is No of error log entries s
35. s RTU mode Messages do not contain preamble bytes Data transfer happens with binary coding Querying is always initiated by the controller Host Master by sending a Modbus Frame and the MultiCONT responds to it End of a message Frame is indicated by a 4 ms transmission time of 3 5 bytes pause on the line Time between the bytes that form a message can not exceed 1 7 ms transmission time of 1 5 byte Time interval between bytes must be 1 7 ms or less po MASTER FRAME n byte MultiCONT ANSWER n byte T gt 4 ms typically 7 ms max 0 5 s Ta E Figure 7 Timing prw11a1a0600p_02 41 60 Command structure Query MASTER MultiCONT START QUANTITY CRC ADDR by HI LO HI LO HI LO ADDR MultiCONT address 1 31 see Main menu MuliCONT config HART Short address 0 Slave address is reserved for communication Broadcast with all devices simultaneously on the system bus Slaves do not respond in this case START starting address of the queried bit or data field QUANTITY no of bits or 16 bit variables QUANTITY gt 0 CRC block parity or Control Sum CRC Cyclical Redundancy Checking Specific functions of MultiCONT Function code FNC Function Comment state of devices relays and curr outputs Read bit variables Active or not and relay states energised or not can be queried Different tables and table elements can be Read variables registers queried See 7 2 Checking of bindin
36. te 18 60 4 prw11a1a0600p_02 6 2 4 COMMAND 16 READ FINAL ASSEMBLY NUMBER MASTER gt MultiCONT Contents of PA SD and AD fields see 6 1 Command structure CD 16 10h MultiCONT gt MASTER response CD 16 10h BC 5 05h Status S 0 and S 1 DATA D 0 D 2 FCS See 6 1 1 for contents of the status bytes Contents of the DATA field MultiCONT Device ID in 3 bytes Data type MultiCONT Device ID Unsigned 24 Different for each MultiCONT 6 2 5 COMMAND 241 COMMAND 241 is a command group Code of Sub command CSD should be specified in DATA field The response should always contain the 4 byte long MultiCONT status prw11a1a0600p_02 e 19 60 6 2 5 1 CSD 0 SUB COMMAND 0 READ TRANSMITTER PV WITH TIME PERCENT CURRENT MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Code of the Sub command CSD is given in the first byte of the DATA field Second byte of the DATA field INDEX contains the list number of the transmitter CD 241 fin CSD 0 00h MulCONT MASTER response CD 241 fth BC 36 24h Status S 0 and S 1 DATA D 0 D 33 FCS See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comments 0 3 MultiCONT status Bit32 4 CSD code of sub command Unsigned 8 CSD 0 aa F Index 0 Dn 1 5 Index list No of transmitter Unsigned 8 see 6 2 5 7 6 10 Long address
37. tter LongAddr Transmitter status Bit32 Transmitter message Packed prw11a1a0600p_02 27 60 6 2 5 7 CSD 200 SUB COMMAND 200 READ MULTICONT REGISTERS MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the transmitter CD 241 fin CSD 200 c8h If Indexz0 the response will contain an Index error MuliCONT MASTER response CD 241 fh BC 14 0fh Status S 0 and S 1 DATA D 0 D 12 See 6 1 1 for contents of the status bytes Contents of the DATA field Byte ser No Description Data type Comment MultiCONT status Bit32 CSD code of the sub command Unsigned 8 CSD 200 Index Unsigned 8 always 0 No of bindings Unsigned 8 Kn Sum of internal and external relays Unsigned 8 Rn Sum of internal and external current outputs Unsigned 8 Cn Number of inputs Unsigned 8 No of extension modules Unsigned 8 Bn No of transmitters Unsigned 8 Dn Error table length Unsigned 8 En 28 60 prw11a1a0600p_02 6 2 5 8 CSD 201 SUB COMMAND 201 READ ERROR BLOCK MASTER MultiCONT Contents of PA SD and AD fields see 6 1 Command structure Index List no of the error 0 En 1 CD 241 fth CSD 201 c9h FCS MultiCONT gt MASTER response CD 241 f1h BC 14 Oeh Status S 0 and S 1 DATA D 0 D 11 See 6 1 1 for contents of the status bytes Contents of the DATA fiel
38. utputs 1 active When inactive the output current is lt 0 1mA Activelinactive curr output 00 90h N START starting address of the bit field QUANTITY no of queried bits QUANTITY gt 0 Response MultiCONT MASTER 4 DATA bytes ADDR FNC 0x01 BCNT B 0 B BCNT 1 CRC BCNT BCNT QUANTITY 8 if no remainder In case of a remainder BCNT QUANTITY 8 1 44 60 prw11a1a0600p_02 Example 1 Querying of relay states R4 R23 20 pcs placed in positions 5 24 in the relay list No of bit 159 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 0 No of relay 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 Content X X 1 1 0 1 0 0 1 1 0 1 1 1 1 1 0 0 0 1 0 1 X X X X MultiCONT address 1 Index 4 Start 0050h 0004 0054h Quantity 0014h BCNT 3 20 8 2 5 Query l Response l Byte description Hex Byte description Hex MultiCONT address MultiCONT address Function code FNC Function code FNC Start address HI No of bytes BCNT Start address LO DBO Bit61 Bit54 Quantity HI DB1 Bit69 Bit62 Quantity LO DB2 Bit73 Bit70 CRC HI CRC HO CRC LO CRC LO o Upper 4 digit position of the third data byte 0 prw11a1a0600p_02 45 60 7 2 READING TABLES VARIABLES FNC 03H Query MASTER Mu
39. vy electromagnetic disturbances it is possible that the internal protection of the interface is insufficient to withstand the voltage impulses Only those types of over voltage or lightning protection can be used on the A B terminals of the interface that don t affect data transfer process This means that it should not cause a change in the transfer characteristics in the 7 12V voltage range with regards to the COM terminal As a result we recommend the use of STP cable when transferring data over long distances 6 60 prw11a1a0600p_02 3 4 APPLICATION EXAMPLE The network consists of the following devices Central process control computer 3pcs of PR_ 1_A or PR_ 1_B type MultiCONT MultiCONT MultiCONT Device 1 Device 2 The MultiCONT units have different addresses Central Process Control Computer MultiCONT Ex address of device 1 01 Device 2 address of device 2 03 address of device 3 12 A B COM RA No terminal resistor MASTER Figure 5 system structure mentioned in the example prw11a1a0600p 02 e 7 60 4 DATA TRANSFER Data transfer in the network established between the MultiCONT controllers and the central process control computer is in accordance with the protocol described in chapters 6 and 7 Data transfer is initiated by the MASTER only one MASTER can be in the system Each MultiCONT has its own address 1 31 see Main menu MultiCONT config HAR
40. wo farthest points The value of the resistor depends on the wave impedance of the used cable The interface has a 120Q terminal resistor so the cable should be chosen considering this impedance value ea Central process control computer MultiCONT MultiCONT MultiCONT Figure 3 Example of an incorrect network prw11a1a0600p 02 e 5 60 Central preocess control computer Central preocess MultiCONT MultiCONT control computer MultiCONT MultiCONT MASTER Figure 4 Examples of correct networks Incorrect configuration is where there are more than 2 terminal resistors or they are not on the 2 farthest points of the line Fig 3 In such cases especially when using too long connection cable data transfer errors may occur The MultiCONT units should be connected one by one on the cable Fig 4 Star topology is not allowed The max cable length is 1000 m but In this case always use STP Shielded Twisted Pair cable Cable capacitance must be less than 100 pF m Shielding must be grounded only at one point to the ground of the central process controller computer Shielding must be connected to the COM terminal MultiCONT units connected in a network should have distinct addresses 1 31 see Main menu MultiCONT config HART Short address in the USER S AND PROGRAMMING MANUAL There can be only one master process control computer PLC in a system Note If a system is installed in an environment with hea
41. y or current output 16 Binding mode Unsigned 8 See Mode register bit assignment Mode register bit assignment B7 BS Ba Bs Bo a o Source 000 PV 00 assigned with positive sign 001 SV 01 assigned with negative sign 010 TV 1X assigned averaged 011 QV prw11a1a0600p_02 37 60 6 2 6 COMMAND 242 REMOTE PROGRAMMING OF THE TRANSMITTERS HART OVER HART Knowing the HART commands of the transmitters with the help of USER RS485 interface of MultiCONT process controller this case MultiCONT acts as a bridge there is a possibility to perform remote programming of the connected transmitters This can be done the following way the MASTER inserts the HART frame to the data field of the HART frame which is sent by the MultiCONT to the transmitters the MultiCONT unpack the HART frame and sent to the transmitter the MultiCONT pack the HART answer of the transmitter and send it to the MASTER in the data field of the HART frame in accordance to the following drawing Transmitter 1 MultiCONT Transmitter 2 unpack MASTER PC PLC HART over HART NO ODD EVEN TOP 2 STOP 1 1 1 1 i 1 1 7 i 3 RT fra 1 1 1 1 1 Transmitter 15 At ideal case the process is took only 1 2 seconds if there is no error and no need to repeat on each side If the commands should be repeated the process can be up to 5 seconds 38 60 prw11a1a0600p_02 HART M

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