Modb us-r T U is im p lem ented w ith th e function of a slav e. T h e follow ing Modb us functions are

Transcription

1 Modbus-RTU interface Modb us-r T U is im p lem ented w ith th e of a slav e. T h e follow ing Modb us s are sup p orted: 01, 02, 03, 05, 06 and 16. A ll 128 D up line D igital, A nalink, Counter, and BCD ch annels are p laced as follow s: Modbus-RTU F unctions im p lem ented in th e Master G enerator Read F unctions F unction C ode 0 1 : Read O utp ut Table B it (D ata to Receiv ers) 8 b it Reads information previously written by a Modbus command for transmission on D upline D ec H ex A 1 00= O FF Reading of only 1 reg ister at a time is allowed. V alue : 0 or A 2 01= O N F P 8 F unction C ode 0 2 : Read Inp ut Table B it (D ata from transm itters) 8 b it Reads D upline O utput-s tatus. Reading of only 1 reg ister at a time is allowed. V alue : 0 or 1 D ec H ex A 1 00= O FF A 2 01= O N F P 8 F unction C ode 0 3 : Read Multip le Reg isters 16 b it ec H D ex H i L o 0 0 B8..B1 A 8..A 1 D igital 1 1 D C D igital..... Reads D upline O utput status. Reading of 1 to 8 reg isters possible. If an attempt is made to read from a start-address and th e number of reg isters ex ceeds th e allowed reg ister rang e, no answer will be made, as th is is interpreted as an illeg al 6 6 N M D igital 7 7 P O D igital 16 b it ec H D ex H i L o B8..B1 A 8..A 1 D igital D C D igital..... Reads D upline Input status. Reading of 1 to 8 reg isters possible. If an attempt is made to read from a start-address and th e number of reg isters ex ceeds th e allowed reg ister rang e, no answer will be made, as th is is interpreted as an illeg al N M D igital P O D igital A A nalink A A nalink A nal ink values are readable. Irrespective of th e config uration of th e ch annels. If a value is read as F F F F h, th e S ensor is not present. Reading of 1 to 3 2 reg isters possible A A nalink A nalink E P A nalink F P A nalink Counter Counter Counter C ounter value only valid if C ounters are selected. V alue read in B C D Reading of 1 to 3 2 reg isters allowed Counter FC Counter FE Counter 2005 Carlo G av az z i Industri A /S. A ll righ ts reserv ed. 102

2 Dec Hex Mux Hi Lo V alue HI LO CD-0 Input Table HI LO CD-1 Input Table HI LO CD-2 Input Table Multiplexed analog Read Input Table Registers 0300H to 037FH BCD-VALUES Resisters 0400H to 047FH BINARY-VALUES HI LO CD-3 Input Table Input Table F F HI LO CD-F Input Table H! LO EF-0 Input Table F F HI LO EF-F Input Table Multiplexed analog values only valid if Multiplexer is selected Dupline group AB holds the actual Mux-address on the 4 most significant bits. The remaining bits holds the digital transmit information from channel A5..B HI LO GH-0 Input Table F F HI LO GH-F Input Table HI LO IJ -0 Input Table F F HI LO IJ -F Input Table HI LO K L-0 Input Table F F HI LO K L-F Input Table HI LO MN-0 Input Table F F HI LO MN-F Input Table HI LO OP-0 Input Table F F HI LO OP-15 Input Table B8-B1 A8-A1 Digital D C Digital.. Digital P O Digital Reads information previously written by a Modbus command for transmission on Dupline Reading of 1 to 8 registers possible. exceeds B8-B1 A8-A1 Digital D C Digital Digital P O Digital Reads information previously written by a Modbus command for forced output on Dupline. Reading of 1 to 8 registers possible. exceeds HI LO CD-0 Input Table HI LO CD-1 Input Table HI LO CD-2 Input Table Multiplexed Analog Read Output Table Registers 1300H to 137FH BCD-VALUES Resisters 1400H to 147FH BINARY-VALUES HI LO CD-3 Input Table Input Table F F HI LO CD-F Input Table Multiplexed analog values only valid if Multiplexer is selected H! LO EF-0 Input Table F F HI LO EF-F Input Table HI LO GH-0 Input Table F F HI LO GH-F Input Table HI LO IJ -0 Input Table In the Binary Data-area, the transmitted data are checked against valid BCD coding and also the controlbits from the Analog transmitter. Reading an FFFF indicates an invalid value or a non-existing analog transmitter. E g. Reading BCD data on G roup C, then the channels C1 and C2 has to be active, before a binary value are read. This is done automatically by the analog transmitters F F HI LO IJ -F Input Table HI LO K L-0 Input Table F F HI LO K L-F Input Table HI LO MN-0 Input Table F F HI LO MN-F Input Table HI LO OP-0 Input Table F F HI LO OP-15 Input Table HI LO Substatations Status Active Devices found in Radio-Modem Network. (W hen configured as Radio-modem Central) 32 bits indicating the presence of a Radio-Modem sbustation HI LO Substations Status Register 2000h, MSB = Substation no 00 (central= 0). LSB = Substation no 15 Register 2001h, MSB = Substation no 16 LSB = Substation no31. 2 Registers HI LO Substations Status HI LO Substations Status Active Devices found in the RS4 85 Network 32 bits indicating the presence of slaves in the Network Register 2002h, MSB = Slave no 00 (central= 0). LSB = Slave no 15 Register 2003h, MSB = Slave no 16 LSB = Slave no31. 2 Registers Hour Minute Setup Read G enerators internal 24 H our clock. Format: hh.mm, ss,dd,mm,dd,y Y Y Y Second Day of FF Setup Day of week: 1 Monday..7 Sunday. s week The Data format is BCD Month Date Setup Y ear Y ear Setup Note: All 4 Registers must be read simultaneously Carlo Gavazzi Industri A/S. All rights reserved. 103

3 HI LO A1 Limit 1 Low Setup HI LO A1 Limit 1 High Setup HI LO A1 Limit 2 Low Setup HI LO A1 Limit 2 High Setup Read AnaLink channels Set-Point values, as configured or as set by a previous ModBus write-command. Legal Values lies in the range from 0 to 255, and must be scaled according to the type of analink signal HI LO A2 Limit 1 Low Setup 4008 HI LO A3 Limit 1 Low Setup HI LO B1 Limit 1 Low Setup Responds only, if channel is configured for AnaLink channeltype FC HI Lo P8 Limit 1 Low Setup FD HI Lo P8 Limit 1 High Setup as an illegal FE HI Lo P8 Limit 2 Low Setup FF HI Lo P8 Limit 2 High Setup HI LO A1 on-delay tb Setup HI LO A1 on-delay Setup HI LO A1 off-delay tb Setup HI LO A1 off Delay Setup HI LO A2 on-delay tb Setup HI LO A3 on-delay tb Setup HI LO B1 on-delay tb Setup Read timer channels Set-up ON and OFF delays, as configured or as set by a previous ModBus write-command. the delay-tb, if z ero, the delay is counted in seconds. It tb = 1, the delay is counted in minutes. Responds only, if channel is configured for Timer channel type. Reading of 1 to 128 registers possible FC HI Lo P8 on-delay tb Setup FD HI Lo P8 on-delay Setup FE HI Lo P8 off-delay tb Setup FF HI Lo P8 off delay Setup A1 HI: hour Lo: min On-time1 Setup A1 hour Min Off-time 1 Setup A1 xxx Days Day select 1 Setup A1 xxx xxx Don t-care Setup A1 HI: hour Lo: min On-time 2 Setup A1 hour Min Off-time 2 Setup A1 xxx Days Day select 2 Setup A1 xxx xxx Don t-care Setup A1 HI: hour Lo: min On-time3 Setup Read Realtime channels Set-up values, as configured or as set by a previous ModBus write-command. Read On/Off times and day/holiday setup. Responds only, if channel is configured for a Realtime channeltype. 16 Registers per Setup A1 hour Min Off-time 3 Setup A A1 xxx Days Day select 3 Setup B A1 xxx xxx Don t-care Setup Hour and Minutes in BCD If Hour value is read as FFh, then this setting is not active C A1 HI: hour Lo: min On-time 4 Setup D A1 hour Min Off-time 4 Setup E A1 xxx Days Day select 4 Setup F A1 xxx xxx Don t-care Setup B1 HI: hour Lo: min On-time 1 Setup Days: MSB: Holiday LSB: Monday FC P8 HI: hour Lo: min On-time 4 Setup FD P8 hour Min Off-time 4 Setup FE P8 xxx Days Day select 4 Setup FF P8 xxx xxx Don t-care Setup C100 A1 HI LO Pulse count C101 A2 HI LO Pulse count C102 A3 HI LO Pulse count C103 A4 HI LO Pulse count Read Pulse-counter Latched (Froz en) values Countvalue in BCD from 0 to C17E P7 HI LO Pulse count C17F P8 HI LO Pulse count 2005 Carlo Gavazzi Industri A/S. All rights reserved. 104

4 Function Code 05: Set single Output Register Address Dec Hex Register 8 bit Write a bit, for statically activation of a Dupline channel. This command will start the configured, on that channel, as if a transmitter on that channel are held activated A1 00=Off A2 01=On... Value : 1 start the, and keep it activated Value: 0 Release the F P HI LO HI LO HI LO HI LO 4 Hi Lo Write a bit, for momentary activation of a Dupline Channel This command will start the configured, on that channel, as if a transmitter on that channel were activated for a short pulse. Value 1: trigger the Value 0: allowed, but has no E 126 HI LO F 127 HI LO HI LO HI LO HI LO HI LO 4 Hi Lo Write a bit, for set or reset of a Dupline Channel This command will enforce the channel into On or Off, as if a master were activated on the channels. Value 1: Set Value 0: Reset E 126 HI LO F 127 HI LO C000 0 HI LO C001 1 HI LO C002 2 HI LO C003 3 HI LO Reset Multiplexed counter. A write of a 1, to any address, will reset the multiplexed counter. Value : 0 or 1 4 Hi Lo C07E 126 HI LO C07F 127 HI LO Function Code 06 : P reset Single Register Register Register 8 bit Format Write data for Output on Dupline channels. Address Dec Hex B8..B1 A8..A1 Digital Writing 1 s will start the configured, on that channel, as if a transmitter were activated on the corresponding channels D C Digital P O Digital Register Register 8 bit Format Write data for momentary activation of a Dupline Channel Address Dec Hex B8..B1 A8..A1 Digital D C Digital P O Digital This command will start the configured, on that channel, as if a transmitter on that channel were activated for a short pulse. s set, trigger the corresponfing channels s clear, has no Carlo Gavazzi Industri A/S. All rights reserved. 105

5 Function Code 16: Preset Multiple Registers B8-B1 A8-A1 Digital D C Digital P O Digital Write data for Output on Dupline channels. Writing 1 s will start the configured, on that channel, as if a transmitter were activated on the corresponding channels. Writing of 1 to 8 registers possible. If an attempt is made to write to a start-address and the number of registers exceeds B8-B1 A8-A1 Digital D C Digital P O Digital Write data for Forcing the Output on Dupline channels. Writing 1 s will force the channels on, as if a master activated the corresponding channels. Writing of 1 to 8 registers possible. If an attempt is made to write to a start-address and the number of registers exceeds HI LO CD-0 Output Table HI LO CD-1 Output Table HI LO CD-2 Output Table Multiplexed Analog Write Output Table (AO) Registers 1300H to 137FH BCD-VALUES Resisters 1400H to 147FH BINARY-VALUES HI LO CD-3 Output Table Output Table F F HI LO CD-F Output Table Multiplexed analog values only valid if Multiplexer is selected Writing of 1 to 32 registers possible H! LO EF-0 Output Table F F HI LO EF-F Output Table HI LO GH-0 Output Table F F HI LO GH-F Output Table HI LO IJ-0 Output Table F F HI LO IJ-F Output Table HI LO KL-0 Output Table F F HI LO KL-F Output Table HI LO MN-0 Output Table F F HI LO MN-F Output Table HI LO OP-0 Output Table F F HI LO OP-15 Output Table Output Table Hour Minute Setup Set Generators internal 24 Hour clock. Format: hh.mm, ss,dd,mm,dd,yyyy Second Day of FF Setup Day of week: 1 Monday..7 Sunday. s week Month Date Setup Year Year Setup The Data format is BCD and should hold a valid date and time. If format is wrong, the command is not responded to. Note: All 4 Registers must be written simultaneously HI LO A1 Limit 1 Low Setup HI LO A1 Limit 1 High Setup HI LO A1 Limit 2 Low Setup HI LO A1 Limit 2 High Setup HI LO A2 Limit 1 Low Setup 4008 HI LO A3 Limit 1 Low Setup HI LO B1 Limit 1 Low Setup Write AnaLink channels Set-Point values. Legal Values lies in the range from 0 to 255, and must be scaled according to the type of analink signal. Responds only, if channel is configured for a Realtime channeltype. Writing of 1 to 32 registers possible FC HI Lo P8 Limit 1 Low Setup FD HI Lo P8 Limit 1 High Setup The changes are stored permanently in the system configuration memory FE HI Lo P8 Limit 2 Low Setup FF HI Lo P8 Limit 2 High Setup HI LO A1 on-delay tb Setup HI LO A1 on-delay Setup HI LO A1 off-delay tb Setup HI LO A1 off Delay Setup HI LO A2 on-delay tb Setup HI LO A3 on-delay tb Setup HI LO B1 on-delay tb Setup Write timer channels configuration for ON and OFF delays Delays < 12. hours counts in seconds and delay-tb are set to 0 Dalays > 12 hours counts in Minutes and delay-tb are set to 1 Responds only, if channel is configured for Timer channel type. Reading of 1 to 128 registers possible exceeds the allowed register range, no answer will be made, as this is interpreted FC HI Lo P8 on-delay tb Setup The changes are stored permanently in the system configuration memory FD HI Lo P8 on-delay Setup FE HI Lo P8 off-delay tb Setup FF HI Lo P8 off delay Setup 2005 Carlo Gavazzi Industri A/S. All rights reserved. 106

6 A1 HI: hour Lo: min On-time1 Setup A1 hour Min Off-time 1 Setup A1 xxx Days Day select 1 Setup A1 xxx xxx Don t-care Setup A1 HI: hour Lo: min On-time 2 Setup Write Realtime channels Set-up values Write On/Off times and day/holiday setup. Hour and Minutes in BCD To disable an on or off setting, write 0FFh to the Hour-byte A1 hour Min Off-time 2 Setup A1 xxx Days Day select 2 Setup Days: MSB: Holiday LSB: Monday A1 xxx xxx Don t-care Setup A1 HI: hour Lo: min On-time3 Setup A1 hour Min Off-time 3 Setup A A1 xxx Days Day select 3 Setup B A1 xxx xxx Don t-care Setup C A1 HI: hour Lo: min On-time 4 Setup D A1 hour Min Off-time 4 Setup E A1 xxx Days Day select 4 Setup Responds only, if channel is configured for a Realtime channeltype. 16 Registers per Setup. Writing of 1 to 32 registers possible The changes are stored permanently in the system configuration memory F A1 xxx xxx Don t-care Setup B1 HI: hour Lo: min On-time 1 Setup FC P8 HI: hour Lo: min On-time 4 Setup FD P8 hour Min Off-time 4 Setup FE P8 xxx Days Day select 4 Setup FF P8 xxx xxx Don t-care Setup Pulse Count Reset and Freeze command, for Pulse-counters The reset command, clears all pulse-counters A A00 1 AAh 55h Reset AAh 55h Freeze The Freeze command, latches the actual counter-values, so they may be read by the FC 03 address C100h. Only when value is AA55h, the commands are executed. 1 Register only Carlo Gavazzi Industri A/S. All rights reserved. 107