User manual
Contents
1. Data Type Address Range Sub range Data sub type Common Digitals 7 w 100 Da PORAT Digital outputs Name Access Notes Digital 1 0 1 400 20 300 Alarms 397 Parity RW 0 Disabled 301 400 Status variables 1 Enabled 1 120 Field Process 1 0 Data 0 Even 121 200 Device Id Info Area 398 EvenOdd pw 1 Odd 201 300 Field Process 1 0 Extension S 301 400 Non retentive Device Management Registers 1 1200 401 800 Retentive Device Rensgsiront 801 1000 Configuration Data 1001 1050 Diagnostics 1101 1200 Reserved registers Writing and reading data length limits Number of Digital Outputs to be written in a single message Max 128 Number of Digital 1 0 to be read in a single message Max 160 Number of Output Registers to be written in a single message Max 16 Number of I O Registers to be read in a single message Max 125 Hardware Set up Common Registers i Output Registers Name Access Notes Hexadecimal rotary switches service and I O LEDs a iio Ri Channel Number 8 1 enable for m ModuleCom see reg 399 bit 15 14 13 12 1110 9 8 7 6 5 4 3 2 1 0 Channel 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 LED Status Meaning RUN Blinking __ When in communication Output Registers rer Access Notes e OFF Communication not present 399 ModuleCom R W Module Command Register ERR Blinking _ Modbus error Comman2. the server or slave Temperature 10 4 65 C 40 85 C 02 ILLEGAL DATA The data address received in the query is not an 5 95 non condensing 5 95 non condensing ADDRESS allowable address for the server or slave Relative Appropriate measures must For a short period slight 03 ILLEGAL DATA A value contained in the query data field is not an Humidity be taken against condensation may appear VALUE allowable value for Server or slave humidity gt 85 on the housing 07 NEGATIVE The server or slave is in the wrong state to process Mounting Vertical free air ACKNOWLEDGE a request of this type or an attempt to write to a read Protection IP20 5 NAK only address has been made Vibrations 3 axes 10 57Hz 0 0375mm 57 150Hz 0 5g Code 07 has not been provided by Modbus org Protocol Use it for ASCON products com Shock 3 axes 15g 11ms half sine patibility only Function Code 07 Read Exception Status bit T 6 5 4 3 2 1 0 status 0 0 0 X X X X X Digital Input writing attempted 1 E t Local Value state 1 Dummy Data Field 0 fill 1 Invalid Input Data 1 Output Data Valid 1 m gt D 1 16 nemote Transmit gt gt B m a Local Value input Function Code 08 Diagnostics The only supported sub code is 0 Return Query Data MODBUS Address Map organisation Common parameters
3. Coils 15 OF access Physical Input Registers Read Input Register 04 04 Word Internal Registers Read Holding Registers 03 03 access Or Physical Output Write Single Register 06 06 Registers Write Multiple Registers 16 10 R f Read Exception status 07 07 Diagnostics Diagnostics 08 08 Number of channels 16 Polarity EN 61131 2 type 2 Sink UL state 0 3 11 5 Vdc UT transition 5 11 Vde UH state 1 11 30 Vdc Input impedance 5 kQ ON OFF delay 5 ms Max monostable time 65s General The function codes provided for all the modules are a subset of the Public Function Codes validated by the Modbus IDA Organization 3 way isolation Ch to ch no isolation ch to logic 800 Vp i o IS see last page serial bus to logic 800 Vp power supply to logic 2 5 kVp Function 01 and Function 02 can be used to read both digital output and digital input Power supply 24 Vdc 15 25 Consuption 3 W Function 03 and Function 04 can be used to read both output and input registers Overvoltage protection 40 Vdc Dimensions L 76 H 110 W 65 Weight 220g Di ti Safety regulations Isolation class II 50 Vrms Installation cathegory II lagnostics EN61010 1 Pollution degree 2 CE marking EN61131 2 MODBUS Exception Responses gt Code Name Meaning Environment 01 ILLEGAL FUNCTION The function code received in the query is not an Operating Storage allowable action for
4. IS09001 Certified ASCOT a ASCON spa 20021 Baranzate Italy Fax 39 02 350 4243 www ascon it sales ascon it mod 10 MB DI 16LV M U 10 MB DI 16LV 3 09 02 Cod J30 658 1ADI 16LV E User manual Contents Characteristics Functional Block Diagram Function Codes used by the module Diagnostics MODBUS Address Map organisation Hardware Setup Common parameters Module parameters Parameters Store Restore Three way isolation diagram MODBUS Map summary APPLICABLE STANDARDS The DI 16LV module is suited for the Modbus IDA Organization protocol 1 and imple ments a subset of it as explained in the text MODBUS is a registered trademark of Schneider Automation Inc Characteristics Technical data MODBUS 1 0 module 16 Isolated Digital Inputs mod I0 MB DI 16LV 16 optoisolated digital inputs with special functions Latched inputs A Warninc The product described in this manual should only be installed operated and maintained by qualified application programmers and software engineers who are familiar with automation safety concepts and applicable national standards Function Codes used by the module Functions hex Physical Digital Inputs Read Inputs status 02 02 Bit Internal Bits Or Read Coil status 01 01 access Physical Digital Write Single Coil 05 05 Data output Write Multiple
5. ds Qo OFF No error Device working 0x0 Normal State all channels ST Aways OFF 0x4C42 ASCII code LB Local Value State only for enabled channels see reg 398 Za ite PWR ON Module Power Supply ON a OFF Module Power Supply OFF 0 4x 2 5 mm 1 0 LED Status Meaning IN 1 16 ON Input active e OFF _ Input not active Baud Rate and Node ID configuration Baud Rate Node ID L itch Baud rate Hi Lo Valid ID Node Peni bps switch switch 300 EHEH st address 1 1200 2 address 2 2400 v 4800 DW _soOxF 7 address 247 9600 19200 Procedure for Node Address and Baud Rate configuration The HI and LO hexadecimal rotary swithches set the module s Baud Rate and MODBUS Node Address To configure the module follow the procedure 1 Turn the Power OFF 2 Set the HI and LO switches to F 3 Turn the Power ON 4 Select the desired Baud Rate value by setting the LO switch following the table e g 4 for 9600 bps 5 Shift the HI switch to E all the module service LEDs should flash 6 Turn the Power OFF Now configure Node ID 7 Set the HI and LO switches to the desired valid Node ID following the table 8 Turn the Power ON Alternatively at step 7 set the value 00h default value Then at the next Power ON the last valid stored value will be resumed as Node ID The default values are Baud Rate 9600 bps Node ID 247 How Local Value Command works valid for C
6. e 0x5254 ASCII code RT to register 400 Cold reset The retentive device management data registers 401 800 are immediately valid after writing To maintain the values after a power OFF ON cyle the command Store ST must be executed Input ai channels bus 1 16 Power supply 2500Vp 800Vp Modbus Module Name Access Description default address digital 1 0 hex 0 1 DI 1 R Input 1 0 T i Sia R Input n 0 i5 16 DI 16 R Input 16 0 100 101 Latched DI 1 RW Latched Input 1 0 m m R W Latched Input n 0 115 116 Latched DI 16 RAW Latched Input 16 0 396 397 Parity R W 0 Parity Disabled 1 Parity Enabled 0 397 398 EvenOdd R W O Parity Even 1 Parity Odd 0 Modbus Module Name Access Description default address registers hex 120 121 ManuCode R Manufacturer Code 0258 121 122 ProdCode 1 R Product Code 1 3136 122 123 ProdCode 2 R Product Code 2 4056 123 124 RelCode 1 R Hardware Release Code 124 125 RelCode 2 R Software Release Code 125 126 SpecialCode R Special Product Code 126 127 ProdCode 3 R Product Code 3 4449 188 189 Usr 1 R W User Defined Register 1 FFFF 189 190 Usr 2 R W User Defined Register 2 FFFF ak aca Usr n R W User Defined Register n FFFF 197 198 Usr 10 R W User Defined Register 10 FFFF 300 301 LocalV R W Local values 1 16 0000 397 398 Ch_LO R W Channel Number 16 1 selection 0000 398 399 ModuleCom R W Module Command Register 0000 399 400 StackCom R W Modbus Stack Command Registe
7. e Accessi Notes 1 DI 1 R sisi as R Image of every physical input state 16 DI 16 R Latched Inputs Digital Outputs Name Access Notes 101 Latched DI 1 R W __ Reading Image of physical Inputs y es R W staticised on the leading edge 0 1 latch 116 Latched DI 16 R W Writing Writing 0 resets the single latch Local Values Output Registers Name __ Access Notes While in Loopback state the 0 15 bits of this 301 LocalV R W _ register are transferred to 1 16 digital inputs bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Channel 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 This module allows parameters to be saved in a non volatile memory In order to avoid storing configuration data parameters registers 801 1000 by mista ke storage is only executed when a specific signature is written to the appro priate register The signature is ST Similarly the default values of parameters are restored On receipt of the correct signature in the appropriate register the device restores the default parameters The signature is RS The new configuration becomes active after a reset i e after a Power Down or a reset command signature RT See Register 400 es Node address change by serial communications 1 Write the new address in register 801 NodeA Write value 2 Write 0x5354 ASCII code ST to register 400 Store value 3 Writ
8. hannel Number Bit 1 lt Input Value Command 2 S register a Local value Local 4 Remote z Register Field Value lt Output Registers Name Access Notes 400 StackCom R W Modbus Stack Command Register Commands 0x0 Normal State 0x5354 ASCII code ST Store Configuration in non volatile memory 0x5253 ASCII code RS Restore default configuration values 0x5254 ASCII code RT RESET Cold Start Output Registers Name Access Notes 801 NodeA R W Node Address Register 802 BaudR R W Baud Rate Register Baud Rate Register Value Node Address Register Value 300 0 0 reserved 0 1200 1 1 1 2400 2 4800 3 e nii 9600 4 247 OxF7 19200 5 248 256 reserved OXF8 0XFF Module Identity Registers Output Registers Name Access_ Notes 121 ManuCode R Manufacturer Code 122 ProdCode 1 R Product Code 1 123 ProdCode 2 R Product Code 2 124 RelCode 1 R Hardware Release Code 125 RelCode 2 R Software Release Code 126 SpecialCode R Special Product Code 127 ProdCode 3 R Product Code 3 User defined Registers Output Registers Name Access Notes 189 Usr 1 R W User Defined Register 1 retentive 190 Usr 2 R W User Defined Register 2 retentive 198 Usr 10 R W User Defined Register 10 retentive Standard Inputs Digital Inputs Nam
9. r 0000 800 801 NodeA R W Node Address Register OOF7 801 802 BaudR R W Baud Rate Register 0004 A Warning The data written at retentive and configuration registers are stored in EEPROM see Address Map organisation paragraph for details This type of memory has a limited number of writing cycles Also if this number is very high about 100000 cycles this limit can be easily reached if the storing process is forced through a serial communications line Please check that the storing procedure of these registers is not performed automatically The user should refer to the following list of documents 1 MODBUS ORG MODBUS Application Protocol Specification V1 1a June 2004 Power Supply 45W 24Vdc 2A AP S2 AL DR45 24 Power Supply 120W 24Vdc 5A AP S2 AL DR120 24 Additional Terminal Block 2x11 AP S2 TB 211 1 Female Plug 11 Screw clamp AP S2 SPINA V11 Female Plug 11 Spring clamp AP S2 SPINA M11 RJ45 terminated cable 14cm AP S2 LOCAL BUS76 RJ45 terminated cable 22cm AP S2 LOCAL BUS152 Termination Adapter AP S2 TERM CAN
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