eDAM-8015 6-channel RTD Input Module User's manual
Contents
1. Baud Rate 9600 bps Filter set at 60Hz rejection 4 8 2 Baud rate setting CC Code CC 03 04 05 06 07 08 09 OA Baud rate 1200 2400 4800 9600 19200 38400 157600 115200 Note The data bits are fixed at one start bit eight data bits no parity and one stop bit 15 EDAM 8015 User s manual 4 8 3 RTD Input Type Setting TT Type Code Temperature Sensor Type Temperature Range C 20 Platinum 100 a 0 00385 100 100 21 Platinum 100 a 0 00385 0 100 22 Platinum 100 a 0 00385 0 200 23 Platinum 100 a 0 00385 0 600 24 Platinum 100 a 0 003916 100 100 25 Platinum 100 a 0 003916 0 100 26 Platinum 100 a 0 003916 0 200 27 Platinum 100 a 0 003916 0 600 28 Nickel 120 80 100 29 Nickel 120 0 100 2A Platinum 1000 a 0 00385 200 600 2B Cu 100 0 C a 0 00421 20 150 2C Cu 100 25 C a 0 00427 0 200 2D Cu 1000 0 C a 0 00421 20 150 2E Platinum 100 a 0 00385 200 200 2F Platinum 100 a 0 003916 200 200 80 Platinum 100 a 0 00385 200 600 81 Platinum 100 a 0 003916 200 600 82 Cu 50 0 C 50 150 83 Nickel 100 60 180 4 8 4 Data Format Setting FF 7 6 5 4 3 2 1 0 FS CS reserved DF Key Description DF Data format 00 Engineer unit 01 of FSR full scale range 10 2 s complement hexadecimal CS Che2. 0 00672 Copper 100 Ohms at 0 C a 0 00421 Copper 1000 Ohms at 0 C a 0 00421 Copper 100 Ohms at 25 C a 0 00427 Copper 50 Ohms at 0 C Nickel 100 Ohms at 0 C Power supply 10V to 30V EDAM 8015 User s manual 2 4 Block diagram of modules Block daigram eDAM 8015 RTD 0 RTD 0 Cold Junction Fe Micro processor EEPROM Isolated Power 2 5 EDAM 8015 wire connection 4 wires RTD connection 3 wires RTD connection EDAM 8015 User s manual 2 6 EDAM8015 pin assignments pin name description 1 B4 RTD Sense of channel 4 2 A4 RTD Sense of channel 4 3 B5 Execution current of channel 5 4 B5 RTD Sense of channel 5 5 A5 RTD Sense of channel 5 6 DATA signal positive 7 DATA signal negative 8 VS 10V 30Vdc 9 GND Ground 10 DATA signal positive 11 DATA signal negative 12 VS 10V 30Vdc 13 GND Ground 14 AO RTD Sense of channel 0 15 BO RTD Sense of channel 0 16 BO Execution current of channel 0 17 A1 RTD Sense of channel 1 18 B1 RTD Sense of channel 1 19 B1 Execution current of channel 1 20 A2 RTD Sense of channel 2 21 B2 RTD Sense of channel 2 22 B2 Execution current of channel 2 23 A3 RTD Sense of channel 3 24 B3 RTD Sense of channel 3 25 B3 Execution current of channel 3 26 B4 Execution current of channel 4 EDAM 8015 User s manual Chapter 3 Install
3. 485 protocol The converter also provides opto isolation and transformer based isolation to protect your equipment For the ease of use in industrial environments the eDAM modules are designed to accept industry standard 24 Vpc unregulated power Operation is guaranteed when using any power supply between 10 and 30 Voc Power ripples must be limited to 5 V peak to peak while the voltage in all cases must be maintained between 10 and 30 Voc All power supply specifications are referenced at module connector When modules are powered remotely the effects of line voltage drops must be considered 3 3 Power supply All modules use on board switching regulators to sustain good efficiency over the 10 30V input range therefore we can assume that the actual current draw is inversely proportional to the line voltage The following example shows how to calculate the required current that a power supply should be able to provide GND eDAM module S GND 10 30Vdc Power supply 3 4 Communication Wiring We recommend that shielded twisted pair cables that comply with the EIA RS 485 standard be used with the eDAM network to reduce interference eDAM module 4 lt DATA VS GND DAD gt m RS 485 DATA RS 485 DATA 10 EDAM 8015 User s manual 3 5 eDAM Utility Software A menu driven utility program called DOSEDAM EXE for DOS or WINEDAM EXE for Windows is provided for eDAM module configuration moni
4. 9 9 AA5 Description Syntax Response Examples Read Synchronized data Reads the synchronized data that was retrieved by the last command SAA4 cr Delimiter character AA Address of the module to be read 00 to FF 4 Command to read the synchronized data gt AAS Data cr or Invalid Command AA cr Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF S Status of the synchronized data 1 first read 0 not the first read Data Synchronized data See Section data format The data from disabled channels is filled with 7 space characters There will be no response if the command syntax is incorrect there is a communication error Command 014 Response 01 Reads the synchronized data for module 01 An invalid command is returned if the command has not been issued in advance Command Response No response Sends the synchronized sampling command Command 014 Response gt 011 025 123 027 923 045 153 015 020 025 123 015 143 Reads the synchronized data for module 01 The module returns the synchronized data and sets the status byte to 1 to indicate that the synchronized data is the first time be read Command 014 Response gt 010 025 123 027 923 045 153 015 020 025 123 015 143 Reads the synchronized data for module 01 The module returns the synchronized data and sets the status byte to 0 to indicate that the synchronized data ha
5. C 0000 7FFF Temp Modbus data 100 32767 C 22 Platinum 100 a 0 00385 0 200 C 0000 7FFF Temp Modbus data 200 32767 C 23 Platinum 100 a 0 00385 0 600 C 0000 7FFF Temp Modbus data 600 32767 C 24 Platinum 100 a 0 003916 100 100 C 8001 7FFF Temp Modbus data 100 32767 C 25 Platinum 100 a 0 003916 0 100 C 0000 7FFF Temp Modbus data 100 32767 C 26 Platinum 100 a 0 003916 0 200 C 0000 7FFF Temp Modbus data 200 32767 C 27 Platinum 100 a 0 003916 0 600 C 0000 7FFF Temp Modbus data 600 32767 C 28 Nickel 120 80 100 C 999B 7FFF Temp Modbus data 100 32767 C 29 Nickel 120 0 100 C 0000 7FFF Temp Modbus data 100 32767 C 2A Platinum 1000 a 0 00385 200 600 C D556 7FFF Temp Modbus data 600 32767 C 2B Cu 100 a 0 00421 20 150 C EEFO 7FFF Temp Modbus data 150 32767 C 2C Cu 100 a 0 00427 0 200 C 0000 7FFF Temp Modbus data 200 32767 C 2D Cu 1000 a 0 00421 20 150 C EEFO 7FFF Temp Modbus data 150 32767 C 2E Platinum 100 a 0 00385 200 200 C 8001 7FFF Temp Modbus data 200 32767 C 2F Platinum 100 a 0 003916 200 200 C 8001 7FFF Temp Modbus data 200 32767 C 80 Platinum 100 a 0 00385 200 600 C D556 7FFF Temp Modbus data 600 32767 C 81 Platinum 100 a 0 003916 200 600 C D556 7FFF Temp Modbus data 600 32767 C 82 Cu 5
6. ODh AAVV cr if the command is valid or AA cr if the command is invalid There is no response if the module detects a syntax error or communication error delimiter character indicates a valid command was received delimiter character indicates the command was invalid AA range 00 FF represents the 2 character hexadecimal address of module VV are two hexadecimal values The values are interpreted by the module as two binary words 4 bit The first word represents the status of channel 4 7 and the second word represents the status of channel 0 3 Value O means the channel is disabled value 1 means the channel is enabled cr is the terminating character carriage return ODh Command 026 cr Response 02FF cr The command asks the analog input module at address 02 to send the status of it input channels The analog input module at address 02 responds that all its multiplex channels are enabled FF equals 1111 and 1111 24 EDAM 8018 User s manual 4 9 12 AA7CiRrr Set channel type individually Description Syntax Response Examples The command set channel type individually SAA7CiRrr cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of module 7C is the Set channel type command i channel number rr channel type code cr is the terminating character carriage return ODh AA if the command is valid or AA cr if the command is invalid
7. cr Send the command to perform a span calibration on module 01 and returns a valid response 4 9 24 AAl Soft INIT Description Description Response Examples The Soft INIT command is used to enable modification of the Baud Rate and checksum settings using software only Requests the analog output module at address AA to return its name AAl cr Gi Delimiter character AA Address of the module to be set 00 to FF l Command to set the Soft INIT IAA cr or Invalid command AA cr Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error Command 011 Response 01 Sets the soft INIT of module 01 and returns a valid response 4 9 25 AAO Name Set the module name Description Syntax Response Set module name AAO name cr SS delimiter character AA address of the module to be set 00 to FF O command to set the module name new name of the module max 6 characters IAA cr if the command is valid or AA cr if the command is invalid delimiter character for a valid response 2 delimiter character for an invalid response AA address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error 29 EDAM 8018 User s manual 4 9 26 AATnn Set the soft IN
8. follows Platinum 100 Ohms at 0 C a 0 00385 Platinum 100 Ohms at 0 C a 0 003916 Platinum 1000 Ohms at 0 C a 0 00385 Nickel 120 Ohms at 0 C a 0 00672 Copper 100 Ohms at 0 C a 0 00421 Copper 1000 Ohms at 0 C a 0 00421 Copper 100 Ohms at 25 C a 0 00427 Copper 50 Ohms at 0 C Nickel 100 Ohms at 0 C 1 2 Communication and Programming eDAM modules can connect to and communicate with all computers and terminals They use RS 485 transmission standards and communicate with ASCII format commands All communications to and from the module are performed in ASCII which means that eDAM modules can be programmed in virtually any high level language Up to 256 eDAM modules may be connected to an RS 485 multi drop network by using the eDAM RS 485 repeater extending the maximum communication distance to 4 000 ft 1 3 Software Configuration and Calibration EDAM modules contain no pots or switches to set By merely issuing a command from the host computer you can change an analog input module to accept several ranges of voltage input Remote configuration can be done by using the command set s configuration and calibration commands By storing configuration and calibration parameters in a nonvolatile EEPROM modules are able to retain these parameters in case of power failure 1 4 Watchdog Timer A watchdog timer supervisory function will automatically reset the eDAM modules in the event of system f
9. follows 1 Address 00 2 Baud Rate 9600 bps 3 No checksum 4 Protocol ASCII protocol If communication with the module is not possible set the module to the INIT mode and use the above settings to communicate with the module To read the current settings send the commands AA2 and SAAP To set new settings send the commands AANNTTCCFF and AAPN The new communication settings will be effective after the next power on reset C3C3C23C3C3C2C3C2C2C3C2C2C3 C2C2QC2CcQc2 cc cocco ccoc 19 EDAM 8018 User s manual 4 9 Command description 4 9 1 AANNTTCCFF Set Module Configuration Description Syntax Response Example 4 9 2 Description Syntax Response Example Example Example set the configuration of the module at address AA AANNTTCCFF cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of module NN new module address 00 FF TT A Always be 00 CC represents the baud rate code FF is a hexadecimal number that equals the 8 bit parameter that represents the data format checksum status and integration time Bits 2 to 5 are not used and are set to 0 cr is the terminating character carriage return ODh Please refer to Sec 4 8 to see TT CC and FF parameter definition IAA cr if the command is valid or AA cr if the command is invalid There is no response if the module detects a syntax error or communicat
10. input value from one of the eight channels of a specified AA module in the currently configured data format AAN cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of the analog input module N identifies the channel you want to read The value can range from 0 to 7 cr is the terminating character carriage return ODh gt data cr if the command is valid or AA cr if the command is invalid There is no response if the module detects a syntax error or communication error gt is a delimiter character data is the input value of the channel number N Data consists of a or sign followed by five decimal digits with a fixed decimal point cr is the terminating character carriage return ODh Command 120 cr Response gt 1 4567 cr The command requests the analog input module at address 12h to return the input value of channel 0 The analog input module responds that the input value of channel 0 is equal to 1 4567 volts Span calibration Calibrates an analog input module to correct for gain errors SAAO cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of the module which is to be calibrated 0 is the Span Calibration command cr is the terminating character carriage return ODh cr if the command is valid or AA cr if the command is invalid There is no response if the module detects a syntax error or comm
11. is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of module 2 is the Configuration Status command cr is the terminating character carriage return ODh AATTCCFF cr if the command is valid or AA cr if the command is invalid There is no response if the module detects a syntax error or communication error delimiter character indicates a valid command was received delimiter character indicates the command was invalid AA range 00 FF represents the 2 character hexadecimal address of an analog input module TT the type of channel 0 Please refer to AA8Ci command in Sec 4 9 13 CC represents the baud rate code FF isahexadecimal number that equals the 8 bit parameter that represents the data format checksum status and integration time Bits 2 to 5 are not used and are set to 0 cr is the terminating character carriage return ODh Please refer to Sec 4 8 to see TT CC and FF parameter definition Command 452 cr Response 45050600 cr The command asks the analog input module at address 45h to send its configuration data The analog input module at address 45h responds with an input range of 2 5 volts a baud rate of 9600 bps an integration time of 50 ms 60 Hz engineering units are the currently configured data format and no checksum function or checksum generation 22 EDAM 8018 User s manual 4 9 8 SAA4 Description Syntax Response Examples 4
12. the responding module 00 to FF SS two hexadecimal digits that represent the host watchdog status where Bit 7 0 indicates that the host watchdog is disabled and 1 indicates the host watchdog is enabled Bit 2 1 indicates watchdog time out has occurred The host watchdog status is stored in EEPROM and can only be reset using the AA1 command Reset the host watchdog status Reset the host watchdog time out status of a module AA cr AA 1 delimiter character A address of the module to be set 00 to FF command to reset the host watchdog time out status IAA cr if the command is valid or AA cr if the command is invalid AA delimiter character for a valid response module w delimiter character for an invalid response le 00 to FF address of the responding module There will be no response if the command syntax is incorrect there is a communication error 30 EDAM 8018 User s manual 4 9 30 AA2 Read the host watchdog time out value Description Syntax Response Examples Reads the host watchdog time out value AA2 cr m delimiter character AA address of the module to be read 00 to FF 2 command to read the host watchdog time out value IAAEVV cr if the command is valid or AA cr if the command is invalid delimiter character for a valid response delimiter character for an invalid response address of the responding module 1 the host watchdog is enabled 0 the hos
13. 0 50 150 C D556 7FFF Temp Modbus data 150 32767 C 83 Nickel 100 60 180 C D556 7FFF Temp Modbus data 180 32767 C Example Assume type of channel 2 is 2E and Modbus data 0x2030 Hex 8240 Dec The temperature of channel 2 is 8240 200 32767 50 294 C Example The voltage of channel 2 is 16383 200 32767 99 996 C Assume type of channel 1 is 2E and Modbus data 0xC001 Hex 16383 Dec 47
14. 0x08 Set the type code 5 2 6 32 0x20 Read the firmware version 5 2 7 37 0x25 Read the channel enable disable status 5 2 8 38 0x26 Set the channel enable disable 5 2 9 41 0x29 Read the miscellaneous settings 5 2 10 42 Ox2A Write the miscellaneous settings 5 2 11 32 EDAM 8018 User s manual 5 2 1 Sub function 00 0x00 Read module name Description read the name of a module Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x00 Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x00 03 Module name 4 Bytes 0x00 0x80 0x15 0x00 06 Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte OxC6 02 Exception code 1 Byte 03 incorrect number of bytes received 33 EDAM 8018 User s manual 5 2 2 Sub function 04 0x04 Set module address Description set module address Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x04 03 New address 1 Byte 1 to 255 04 Reserved 3 Bytes 0x00 0x00 0x00 06 Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x04 03 Set address result 1 Byte 0 OK others error 04 Reserved 3 Bytes 0x00 0x00 0x00 06 Error Respo
15. 100 100 C FC18 03E8 21 Platinum 100 a 0 00385 0 100 C 0000 03E8 22 Platinum 100 a 0 00385 0 200 C 0000 07D0 23 Platinum 100 a 0 00385 0 600 C 0000 1770 24 Platinum 100 a 0 003916 100 100 C FC18 03E8 25 Platinum 100 a 0 003916 0 100 C 0000 03E8 26 Platinum 100 a 0 003916 0 200 C 0000 07D0 27 Platinum 100 a 0 003916 0 600 C 0000 1770 28 Nickel 120 80 100 C FCEO 03E8 29 Nickel 120 0 100 C 0000 03E8 2A Platinum 1000 a 0 00385 200 600 C F830 1770 2B Cu 100 a 0 00421 20 150 C FF38 05DC 2C Cu 100 a 0 00427 O 200 C 0000 2000 2D Cu 1000 a 0 00421 20 150 C FF38 05DC 2E Platinum 100 oz 0 00385 200 200 C F830 07D0 2F Platinum 100 a 0 003916 200 200 C F830 07D0 80 Platinum 100 a 0 00385 200 600 C F830 1770 81 Platinum 100 a 0 003916 200 600 C F830 1770 82 Cu 50 50 150 C FEOC 05DC 83 Nickel 100 60 180 C FDA8 0708 Assume the Modbus data 0x0240 Hex 576 Dec The temperature of the specified channel is 576 10 57 6 C Assume the Modbus data 0xEF1B Hex 4325 Dec The voltage of channel 2 is 4235 10 423 5 C 46 EDAM 8018 User s manual 5 5 Modbus Hex 2 s complement Data Format Table Type Code RTD Type Min Max Formula 20 Platinum 100 a 0 00385 100 100 C 8001 7FFF Temp Modbus data 100 32767 C 21 Platinum 100 a 0 00385 0 100
16. 6 02 Sub function code 1 Byte 0x06 03 Reserved 1 Byte 0x00 04 Baud Rate 1 Byte 0x03 Ox0A Baud Rate code see 4 8 2 for details 05 Reserved 1 Byte 0x00 06 Parity 1 Byte 0x00 no parity 1 stop bit 07 Reserved 1 Byte 0x00 08 Mode 1 Byte 0 ASCII protocol 1 Modubs RTU protocol 09 Reserved 2 Bytes 0x00 0x00 10 Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x06 03 Reserved 1 Byte 0x00 04 Baud Rate 1 Byte 0 OK others error 05 Reserved 1 Byte 0x00 06 Parity 1 Byte 0 OK others error 07 Reserved 1 Byte 0x00 08 Mode 1 Byte 0 OK others error 09 Reserved 2 Bytes 0x00 0x00 10 Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte OxC6 02 Exception code 1 Byte 03 reserved bytes are not filled with zero or incorrect number of bytes Note This new settings are all saved into EEPROM and will be used for the next power on 36 EDAM 8018 User s manual 5 2 5 Sub function 07 0x07 Read channel type code Description read analog channel type code Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x07 03 Reserved 1 Bytes 0x00 04 Channel 1 Byte 0x00 0x05 Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x07 03 Type code 1 Byte Type
17. 9 SAASVV IAA Enables Disables a channel 4 9 10 AA6 IAAVV Reads the channel enabled disabled status 49 11 SAA7CiRrr IAA Sets a single channel range configuration 49 12 AA8Ci IAAGiRrr Reads a single channel range configuration 4 9 13 AAB IAANN Reads the channel diagnostic status 4 9 14 SAAF IAA Data Reads the firmware version 4 9 15 SAAI IAAS Reads the INIT terminal status 4 9 16 SAAM IAA Data Reads the module name 4947 SAAP IAASC Reads the communication protocol 4 9 18 SAAPN IAA Sets the communication protocol 4 9 19 AAS1 IAA Reload default calibration parameters 4 9 20 AAD IAAVV Reads the miscellaneous settings 4921 AADVV IAA Sets the miscellaneous settings 4 9 22 AAEV IAA Enables Disables calibration 4 9 23 AAI IAA Soft INIT 4 9 24 AAO Name IAA Sets the module name 4 9 25 AATnn IAA Sets the soft INIT timeout 4 9 26 14 EDAM 8015 User s manual 4 7 Host Watchdog Command Sets Command Response Description Sec No Response Host is OK 4 9 27 AAO IAASS Reads the host watchdog status 4 9 28 AM IAA Resets the host watchdog status 4 9 29 AA2 IAAETT Reads the host watchdog timeout settings 4 9 30 AA3ETT IAA Sets the host watchdog timeout settings 4 9 31 4 8 Configuration Tables 4 8 1 Default Settings Default settings for the M 7033 33D and M 7015 15P modules are as follows Protocol ASCII command protocol Module Address 01 RTD Type Type 20 Pt100 100 C to 100 C
18. EDAM 8015 User s manual eDAM 8015 6 channel RTD Input Module User s manual Web site www inlog com tw Trademark The names used in this manual for indentification only maybe registered trademarks of their respective companies rev 1 2 July 11 2011 EDAM 8015 User s manual Table of Contents Chapter 1 idee DA AA AA AA 4 1 1 I A IP 4 1 2 Communication and Programming memes 4 1 3 Software Configuration and Calibration eene 4 14 Watchdog Timer ENEE 4 1 5 Power Requirements PAA AA NN AA AAP AA AA 4 Chapter 2 About the eDAM Modules eene nennen nennen nennen nennen inna innen eenen nenne nn 5 24 Outline of eDAM modules NEEN 5 22 Module Dimension RID 5 23 Specifications ee 7 24 Block diagram of modules EEN 8 2 5 EDAM 8015 wire connection mmm eee nnne nennen 8 2 6 EDAM8015 pin assignments mene 9 Chapter 3 Installation E 10 3 1 Set up an eDAM network EEN 10 3 2 Host computer AA L L L A 4 A A A AA A A L A A 10 3 3 Power supply EE 10 3 4 Communication Wiring EEN 10 3 5 eDAM Utility Software mener 11 3 6 eDAM Isolated RS 232 RS485 Converter eene eene enne 11 3 7 Initialization Procedure ENEE 11 3 8 Install a New eDAM to a Existing Network mmm eene 12 Chapter A ASCII Gommiand Set uadressert 13 4 1 introd ctjon It 13 4 2 Format of eDAM Com
19. FF 05 Build version 1 Byte 0x00 OxFF Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte OxC6 02 Exception code 1 Byte 03 incorrect number of bytes 39 EDAM 8018 User s manual 5 2 8 Sub function 37 0x25 Read channel enable disable status Description read channel enable disable status Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x25 Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x25 03 Enabled disabled 1 Byte 0x00 Ox3F enabled disabled status of each channel status bit O corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it denotes that the channel is enabled and 0 denotes that the channel is disabled Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte OxC6 02 Exception code 1 Byte 03 incorrect number of bytes 40 EDAM 8018 User s manual 5 2 9 Sub function 38 0x26 Set channel enable disable Description set channel enable disable Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x26 03 Enabled disabled 1 Byte 0x00 Ox3F enabled disabled settings of each channel status bit O corresponds to channel 0 bi
20. Hz rejection 1 50Hz rejection Bit 6 0 reserved Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x2A 03 Miscellaneous 1 Byte 0 OK others error settings Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0xC6 02 Exception code 1 Byte 03 incorrect number of bytes 43 EDAM 8018 User s manual 5 3 Modbus Address Mapping 5 3 4 Discrete address 1 bits Discrete address mapping for Modbus function code 0x01 0x02 0x05 OxOF Address Channel Description Attribute Hex Decimal 0080 00128 0 5 Read over under range status R org A bit corresponds to a channel The bit 1 it denotes that the channel is over under range The bit 0 it denotes that the channel is disabled or normal 0100 00256 Read write protocol 0 ASCII 1 Modbus protocol R W 0102 00258 Read Write Filter setting 0 60Hz 1 50Hz R W 0104 00260 1 Enable 0 disable host watchdog R W 010C 00268 Modbus data format 0 Hex 1 enginerring 010D 00269 Read host watchdog timeout status R W Write 1 to clear host watchdog timeout status 010F 00271 Write 1 to load factory default calibration parameters R W 0110 00272 Rest status R 1 first read after powered on 0 not the first read after powered on 0112 00274 1 force to return 7FFF for wire opening R W 44 EDAM 8018 User s manual 5 3 2 Register ad
21. IT timeout Sets the soft INIT timeout value AATnn cr Description Syntax AA T nn Delimiter character Address of the module to be set 00 to FF Command to set the soft INIT timeout Two hexadecimal digits representing the timeout value in seconds The maximum timeout value is 60 seconds When changing the Baud Rate or checksum settings without altering the INIT pin the AAI and AANNTTCCFF commands should be sent consecutively and the time interval between the two commands should be less than the soft INIT timeout If the soft INIT timeout is 0 then the Baud Rate and checksum settings cannot be changed using software only The power on reset value of the soft INIT timeout is O There will be no response if the command syntax is incorrect there is a communication error 4 9 27 Sends a Host OK Informs all modules that the host is OK SEO Description Syntax Response 4 9 28 AAO Description Syntax Response 4 9 29 AA1 Description Syntax Response xk delimiter character Host OK command no response Read the host watchdog status Reads the host watchdog status of a module AAO cr AA 0 delimiter character address of the module to be read 00 to FF command to reads the host watchdog status IAASS cr if the command is valid or AA cr if the command is invalid delimiter character for a valid response delimiter character for an invalid response AA address of
22. Set module address eem eene 34 5 2 3 Sub function 05 0x05 Read communication settings mmm 35 5 24 Sub function 06 0x06 Set communication settings mmm 36 5 2 5 Sub function 07 0x07 Read channel type code mmm eene 37 5 2 6 Sub function 08 0x08 Set channel type code emen eene 38 5 2 7 Sub function 32 0x20 Read firmware version meme 39 5 2 8 Sub function 37 0x25 Read channel enable disable status eem ee 40 5 2 9 Sub function 38 0x26 Set channel enable disable mmm eene 41 5 2 10 Sub function 41 0x29 Read miscellaneous settings meme 42 5 2 11 Sub function 42 0x2A Set miscellaneous settings meme 43 5 3 Modbus Address Mapping emm enne 44 5 3 1 Discrete address 1 bits meme 44 5 3 2 Register address 16 bits meme enne enne 45 5 4 Modbus Engineering Data Format Table mmm 46 5 5 Modbus Hex 2 s complement Data Format Table enee 47 EDAM 8015 User s manual Chapter 1 Introduction 1 1 Overview The eDAM 8000 analog modules is a set of intelligent sensor to computer interface modules containing built in microprocessor They provide data comparison and digital communication functions Some modules provide analog I O lines for controlling and monitoring analog signals The common features of the EDAM 8015 modules are as follows 1 3000V DC inter module isolation Support both ASCII and Modbus RTU protocol 24 bit sigma delta ADC to provide excellent accuracy Direct RTD connection Software calibration oa F ODN Supported RTD types are as
23. There is no response if the module detects a syntax error or communication error is a delimiter character indicating a valid command was received AA range 00 FF represents the 2 character hexadecimal address of module cr is the terminating character carriage return Command 5017C3R08 cr Response 01 cr Set type code 08 10V to channel 3 4 9 13 AASCi Read individual channel type Description Syntax Response Examples The command read individual channel type SAA8Ci cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of module DC is the read channel type command i channel number cr is the terminating character carriage return ODh AACiRrr if the command is valid or AA cr if the command is invalid There is no response if the module detects a syntax error or communication error is a delimiter character indicating a valid command was received AA range 00 FF represents the 2 character hexadecimal address of module i channel number 0 7 rr type of channel i cr is the terminating character carriage return Command 018C3 cr Response 01C3R08 cr The type code of channel 3 is 08 10V 4 9 14 AAB Read Channel Burnout Status Description Syntax Response Examples Read channel burn out status AAB cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of module B is the Chann
24. ailure Maintenance is thus simplified 1 5 Power Requirements Although the modules are designed for standard industrial unregulated 24V DC power supply they accept any power unit that supplies power within the range of 10 to 30 V DC The power supply ripple must be limited to 5 V peak to peak and the immediate ripple voltage should be maintained between 10 and 30 V DC EDAM 8015 User s manual Chapter 2 About the eDAM Modules 2 1 Outline of eDAM modules AM 8015 QE z iz E EE EE a z z 2 2 Module Dimension 100 7 mm 71 55 mm 121 34 mm uu GG k EDAM 8015 User s manual 71 55 mm 59 55 mm DOO Q00000000000 ol el m 000000000 ccocacocococococo 52 mm 55 7 mm ING No le 1 Ra ww Z004 WU S6 LTL EDAM 8015 User s manual 2 3 Specifications Input channels 6 RTD inputs Interface RS 485 2 wires Speed bps 1200 2400 4800 9600 19 2K 38 4K 115 2K Analog Input type Differential input Analog Channels Numbers 6 Analog Resolution 16 bits Sampling Rate 10 Samples Second Bandwidth 15 7 Hz Accuracy 0 196 Zero Drift 0 5uV C Span Drift 25ppm C CMR 50 60Hz 150dB NMR 50 60Hz 100dB Input Impedance 10M Ohms RTD wires 2 3 4 wires RTD types Platinum 100 Ohms at 0 C a 0 00385 Platinum 100 Ohms at 0 C a 0 003916 Platinum 1000 Ohms at 0 C a 0 00385 Nickel 120 Ohms at 0 C a
25. ation This chapter provides guidelines to what is needed to set up and install an eDAM network A quick hookup scheme is provided that lets you configure modules before they are installed in a network To help you to connect eDAM modules with sensor inputs several wiring examples are provided Finally you will find at the end of this chapter a programming example using the eDAM command set Be sure to carefully plan the layout and configuration of your network before you start Guidelines regarding layout are given in Appendix E RS 485 Network NOTICE Except for changing eDAM to other compatible modules which have on board switches for their baud rate setting eDAM modules should not be opened There is no need to open the eDAM modules all configuration is done remotely and there are no user serviceable parts are inside Opening the cover will therefore void the warranty 3 1 Set up an eDAM network The following list gives an overview of what is needed to setup install and configure an eDAM environment A host computer that can output ASCII characters with an RS 232C or RS 485 port Power supply for the eDAM modules 10 to 30 V pc eDAM Series Utility software 3 2 Host computer Any computer or terminal that can output in ASCII format over either RS 232 or RS 485 can be connected as the host computer When only RS 232 is available an eDAM 8520 module RS 232 RS 485 converter is required to transform the host signals to the correct RS
26. ck sum 0 disabled 1 enabled FS Filter settings 0 60 Hz rejection 1 50 Hz rejection 16 EDAM 8015 User s manual 4 8 5 Analog Input Type and Data Format Table Type Code RTD Type Data Format F S ES Engineering unit 1100 00 100 00 20 Platinum 100 a 0 00385 Yo of FSR 4100 00 100 00 100 100 C 2 s comp HEX 7FFF 8000 Ohms 4138 50 060 60 Engineering unit 100 00 000 00 24 Platinum 100 oz 0 00385 96 of FSR 100 00 100 00 0 100 C 2 s comp HEX 7FFF 0000 Ohms 4138 50 100 00 Engineering unit 200 00 000 00 22 Platinum 100 oz 0 00385 96 of FSR 100 00 000 00 0 200 C 2 s comp HEX 7FFF 0000 Ohms 4175 84 100 00 Engineering unit 600 00 000 00 23 Platinum 100 a 0 00385 of FSR 100 00 000 00 0 600 C 2 s comp HEX 7FFF 0000 Ohms 1313 59 100 00 Engineering unit 100 00 100 00 24 Platinum 100 a 0 003916 of FSR 100 00 100 00 100 100 C 2 s comp HEX 7FFF 8000 Ohms 4139 16 060 60 Engineering unit 100 00 000 00 25 Platinum 100 a 0 003916 of FSR 100 00 000 00 0 100 C 2 s comp HEX 7FFF 0000 Ohms 4139 16 4100 00 Engineering unit 200 00 000 00 26 Platinum 100 a 0 003916 of FSR 100 00 000 00 0 200 C 2 s comp HEX 7FFF 0000 Ohms 177 14 100 00 Engineering unit 600 00 000 00 27 Platinu
27. code see Se 4 8 3 for details Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte OxC6 02 Exception code 1 Byte 03 reserved bytes are not filled with zero or incorrect number of bytes 37 EDAM 8018 User s manual 5 2 6 Sub function 08 0x08 Set channel type code Description set analog channel type code Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x08 03 Reserved 1 Bytes 0x00 04 Channel 1 Byte 0x00 0x05 05 Type code 1 Byte Type code see Se 4 8 3 for details Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x07 03 Type code 1 Byte 0 OK others error Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte OxC6 02 Exception code 1 Byte 03 type code is out of range reserved bytes are not filled with zero or incorrect number of bytes 38 EDAM 8018 User s manual 5 2 7 Sub function 32 0x20 Read firmware version Description read firmware version Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x20 Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x20 03 Major version 1 Byte 0x00 OxFF 04 Minor version 1 Byte 0x00 Ox
28. dress 16 bits Input Holding register address mapping for Modbus function code 0x03 0x04 0x06 0x10 Address Channel Description Attribute Hex Decimal 0000 00000 0 5 Read analog input value R 0005 00005 0100 256 0 5 Read set type of channel O to 5 R W 0105 261 0120 288 0 5 Read set temperature offset of channel 0 to 5 in 0 12C R W m valid range from 128 FF80 to 127 007F 0125 293 180 384 0 5 RTD resistance offset of channel 0 to 5 in 0 1 ohms range R W e from 0 255 185 389 1E0 480 Firmware version low word 1E1 481 Firmware version high word R W 1E2 482 Module name low word R W 1E3 483 Module name high word R 1E4 484 Read write Module address range from 1 255 R W 1E5 485 Read write baud rate bit 5 0 R W 1E7 487 Read write Modbus response delay time in ms range R W from 0 to 30 1E8 488 Read write host watchdog timeout value 0 255 in 0 1 R W second 1E9 489 0 5 Read Write Channel enable disable status R W 1EB 491 Read host watchdog timeout counts R W Write O to clear counter 45 EDAM 8018 User s manual 5 4 Modbus Engineering Data Format Table The Modbus engineering format is that temperature value is engineering formatted in 0 1 C Temperature Modbus data 10 C formula Example Example Type Code RTD Type Min Hex Max Hex 20 Platinum 100 a 0 00385
29. e host computer When systems are not transmitting they are in listen mode The host issues a command to a system with a specified address and waits a certain amount of time for the system to respond If no response arrives a time out aborts the sequence and returns control to the host This chapter explains the structure of the commands with Modbus RTU protocol and guides to use these command sets to implement user s programs 5 1 Modbus Function code introductions Code Hex Name Usage 46 Module Misc configuration Module Misc configuration 01 Read discrete coil Read channel burnout status 02 Read discrete input Read channel burnout status 03 Read Holding Registers Read 16 bit register Used to read integer or floating point process data 04 Read Input Registers 05 Write single coil 06 Preset Single Register Write data in 16 bit integer format OF Write multiple coils 10 Preset Multiple Registers Write multiple data in 16 bit integer format 5 2 Modbus Function code 0x46 for Module configuration This function code 0x46 is used to read or change the settings of the module The following sub function codes are supported Sub function Code Description Sec 00 0x00 Read the module name 5 2 1 04 0x04 Set the module address 5 2 2 05 0x05 Read the communication settings 5 2 3 06 0x06 Set the communication settings 5 2 4 07 0x07 Read the type code 5 2 5 08
30. el Diagnose command cr is the terminating character carriage return ODh AANN cr if the command is valid when it applied with AA cr if an invalid command was issued There is no response if the module detects a syntax error or communication error delimiter character indicates a valid command was received delimiter character indicates the command was invalid AA range 00 FF represents the 2 character hexadecimal address of the module NN range 00 FF is a hexadecimal number that equals the 8 bit parameter representing the status of analog input channels Bit value 0 means normal status and bit value 1 means channel open wiring cr is the terminating character carriage return ODh Command 01B cr Response 0101 cr Channel 0 is open wiring and channel 1 7 are all normal 25 EDAM 8018 User s manual 4 9 15 AAF Description Syntax Response 4 9 16 AA1 Description Syntax Response Examples Examples Read the firmware version The command requests the module at address AA to return the version code of its firmware SAAF cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of module F is the Read Firmware Version command cr is the terminating character carriage return ODh AA Version cr if the command is valid or AA cr if the command is invalid There is no response if the module detects a syntax error or commu
31. eset is ASCII protocol ud din O 4 9 19 SAAPN Set the communication protocol Description Syntax Response Examples Sets the communication protocol AAPN cr Delimiter character AA Address of the module to be read 00 to FF P Command to set the communication protocol N 0 ASCII protocol 1 Modbus RTU protocol The new protocol is saved in the EEPROM and will be effective after the next power on reset IAA cr or Invalid Response AA cr Delimiter character for a valid response 2 Delimiter character for an invalid response AA Address of the responding module 00 to FF There is no response if the module detects a syntax or communication error Command 01P1 Response 01 Sets the communication protocol of module 01 to Modbus RTU and returns a valid response 4 9 20 AAS1 Reload default calibration parameters Description Syntax Response Examples Reloads the factory default calibration parameters including the internal calibration parameters SAAS1 cr Delimiter character Delimiter character AA X Address of the module to have the default parameters reloaded 00 to FF S1 Command to reload the factory default calibration parameters Valid command AA cr or Invalid command AA cr Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF There will be no response if the command syntax is incorrec
32. ess ID must not be conflict with other eDAM modules on the network Power off the eDAM power supply of the existing RS 485 network Wire the power lines for the new eDAM with the existing network Be careful about the signal polarity as wiring Wire the RS 485 data lines for the new eDAM with the existing network Be careful about the signal polarity as wiring Wire to the input or output devices Power on the eDAM local power supply Use the eDAM utility to check entire network 12 EDAM 8015 User s manual Chapter 4 ASCII Command Set 4 1 Introduction The eDAM command is composed by numbers of characteristics including the leading code address ID the variables the optional check sum byte and a carriage return to indicate the end of a command The host computer can only command only one eDAM module except those synchronized commands with wildcard address command The eDAM may or may not give response to the command The host should check the response to handshake with the modules 4 2 Format of eDAM Commands Syntax Leading code Addr Command Data lt Cksum gt lt CR gt Every command begins with a delimiter character There are five valid characters a dollar sign a pound sign a percentage a wave sign sign 96 and an at sign The delimiter character is followed by a two character address hexadecimal that specifies the target module The actual two character command follows the address Depend
33. id or AA cr if the command is invalid There is no response if the module detects a syntax or communication error is a delimiter character indicating that a valid command was received AA range 00 FF represents the 2 character hexadecimal address of module Module Name is the name of the module at address AA cr is the terminating character carriage return 26 EDAM 8018 User s manual 4 9 18 AAP Read the communication protocol Description Syntax Response Examples Reads the communication protocol information AAP cr Delimiter character AA Address of the module to be read 00 to FF P Command to read the communication protocol age cr or Invalid Response AA cr Delimiter character for a valid response Delimiter character for an invalid response Address of the responding module 00 to FF The protocols supported by the module 0 onlyASCII protocol is supported 1 both the ASCII and Modbus RTU protocols are supported Current protocol saved in EEPROM that will be used at the next power on reset 0 the protocol set in EEPROM is ASCII protocol 1 the protocol set in EEPROM is Modbus RTU There is no response if the module detects a syntax or communication error Command 01P Response 0110 Reads the communication protocol of module 01 and returns a response of 10 meaning that it supports both the ASCII and Modbus RTU protocols and the protocol that will be used at the next power on r
34. idually mmm eee eee 25 4 9 13 AA8Ci Read individual channel type mme eene 25 4 9 14 SAAB Read Channel Burnout Status HH 25 4 9 15 SAAF Read the firmware version 26 4 9 16 AA1 Read the INIT terminal status emmH eme 26 4 9 17 AAM Read the module name mmm eene eene enne nnne nnne nnns 26 EDAM 8015 User s manual 4 9 18 SAAP Read the communication protocol mmm 27 4 9 19 SAAPN Set the communication protocol see 27 4 9 20 SAAS1 Reload default calibration parameters emm eee 27 4 9 21 AAD Read the miscellaneous settings mmm 28 4 9 22 AADVV Set the miscellaneous settings emm 28 4 9 23 AAEV Enable disable calibration cette teen emen 29 4 9 24 AAI Soft NIT 36s tout une dn dete tap tato oder nee ibo qct Rag hee dede ee peat uve da code Men rur Vg T dede Toe seu dee Sada cs 29 4 9 25 AAO Name Set the module name EEN 29 4 9 26 AATnn Set the soft INIT timeout mmm mme enenerren nennen eren 30 4 9 27 ak Sends a Host OK 30 4 9 28 AAO Read the host watchdog status 30 4 9 29 AA1 Reset the host watchdog status emen eene 30 4 9 30 AA2 Read the host watchdog time out value mmm 31 4 9 31 AA3ETT Enables disables the host watchdog 31 Chapter 5 Modbus RTU Command structure eennnennenennenenne nennen nnne nennen tnnt innen nennen 32 5 1 Modbus Function code introductions m eene ene eene 32 5 2 Modbus Function code 0x46 for Module configuration mmm 32 5 2 1 Sub function 00 0x00 Read module name 33 5 2 2 Sub function 04 0x04
35. ing on the command an optional data segment follows the command string An optional two character checksum may be appended to the total string Every command is terminated by a carriage return cr Conventions Leading Code The first characteristic of the eDAM command such as etc 1 character Addr Module s address ID the value is in the range of 00 FF Hex 2 character Command Command codes or value of variables Data Data needed by some output command Checksum Checksum in brackets indicate optional parameter only checksum is enable then this field is required 2 character lt CR gt carriage return OxOD Note all commands should be issued in ASCII uppercase characters There is no spacing between characters 4 3 Calculate Checksum Calculate ASCII sum of all characters of command or response string except the character return cr Mask the sum of string with Offh Checksum Leading code addr command data MOD 0x100 Example Command string 5012 cr Sum of string 0 1 2 24h 30h 31h 32h B7h The checksum is B7h and CHK B7 Command string with checksum 012B7 cr Response string 01400600 cr Sum of string 0 1 4 0 0 6 0 0 21h 30h 31h 34h 30h 30h 36h 30h 30h 1ACh The checksum is ACh and CHK AC Response string with checksum 01400600AC cr 13 EDAM 8015 User s manual 4 4 Response of Commands The response message depends o
36. ion error delimiter character indicates a valid command was received delimiter character indicates the command was invalid AA range 00 FF represents the 2 character hexadecimal address of an analog input module cr is the terminating character carriage return ODh Command 0203000602 cr Response 02 cr Result ew module address 03 baud rate 06 9600 data format 02 2 s complement hexadecimal Synchronized sampling hen the command is received it will allow all analog input modules to read data from all input channels and will store the data for later retrieval cr Delimiter character Synchronized sampling command There is no response with this command To access the data another command AA4 must be sent command Response No response Send the synchronized sampling command command 014 Response gt 011 025 123 027 923 045 153 015 020 025 123 015 143 Send a command to read the synchronized data The status byte of the response is 1 which means that it is the first time the synchronized data has been read after the previous command command 014 Response gt 010 025 123 027 923 045 153 015 020 025 123 015 143 Send a command to read the synchronized data The status byte of the response is 0 which means that it is NOT the first time the synchronized data has been read after the previous command 20 EDAM 8018 User s manual 4 9 3 AA Read analog data Descripti
37. m 100 a 0 003916 of FSR 100 00 000 00 0 600 C 2 s comp HEX 7FFF 0000 Ohms 317 28 100 00 Engineering unit 100 00 080 00 o of FSR 100 00 080 00 28 Nickel 120 80 100 C 7 s comp HEX 7FFF 999A Ohms 200 64 066 60 Engineering unit 100 00 000 00 29 Nickel 120 0 100 C of FSR 100 00 000 00 2 s comp HEX 7FFF 0000 Ohms 200 64 120 60 Engineering unit 600 00 200 00 2A Platinum 1000 az 0 00385 96 of FSR 100 00 033 33 200 600 C 2 s comp HEX TFFF D556 Ohms 3137 1 0185 2 Engineering unit 150 00 020 00 2B Cu 100 a 0 00421 of FSR 100 00 013 33 20 1507C 2 s comp HEX 7FFF EEEF Ohms 163 17 091 56 Engineering unit 200 00 000 00 2C Cu 100 a 0 00427 of FSR 100 00 000 00 0 200 C 2 s comp HEX 7FFF 0000 Ohms 167 75 090 34 Engineering unit 150 00 020 00 2D Cu 1000 a 0 00421 96 of FSR 100 00 013 33 20 150 C 2 s comp HEX 7FFF EEEF Ohms 1631 7 0915 6 17 EDAM 8015 User s manual Engineering unit 200 00 200 00 2E Platinum 100 a 0 00385 of FSR 100 00 100 00 200 200 C 2 s comp HEX 7FFF 8000 Ohms 175 84 018 49 Engineering unit 200 00 200 00 op Platinum 100 a 0 003916 of FSR 100 00 100 00 200 2007C 2 s comp HEX 7FFF 8000 Ohms 4177 14 4017 14 Engineering unit 600 00 200 00 80 3 Platinum 100 a 0 00385 Yo of FSR 4100 00 033 33 200 600 C 2 s comp HEX 7FFF D556 Oh
38. mands EE ea waa Me aie canes eines ela Ne 1 3 4 3 Calculate Checksum seess aaa 13 4 4 Response of Commands ee 14 4 5 Summary of Command Set eene 14 4 6 General Command Sets Aa 14 4 7 Host Watchdog Command Sets PN NE ed deeg de de dee dee Ve d Nei ege d RR e Weg e deele eut ve 1 5 4 8 Configuration Tables eee 15 4 8 1 Default Settings nennen enn enne ener 15 4 8 2 Baud rate setting CC mme 15 4 8 3 RTD Input Type Setting TT mme 16 4 8 4 Data Format Setting FF meme 16 4 8 5 Analog Input Type and Data Format Table meme 17 4 8 6 RTD Over Range Under Range Reading with ASCII command protocol m8 18 4 8 7 RTD Over Range Under Range Reading with Modbus RTU protocol mmm 18 4 8 8 Protocol Switching NN MK KP SM d cie 18 4 8 9 INIT Mode RC 19 4 9 Command description memes 20 4 9 1 AANNTTCCFF Set Module Configuration eee eee eee eee eee eee eee eee eee eee eter eee ere ee eee ee eter eer ere eee errr eee 20 4 9 2 Synchronized sampling 20 4 9 3 HAA Read analog data eene 21 4 9 4 HAAN Read analog input from channel N meme eee 21 4 9 5 SAAO Span calibration memes 21 4 9 6 AA1 Offset calibration remet a teen nna i tenni gener dna en ann eden Dn ud innu a 22 4 9 7 AA2 Read configuration status meer 22 4 9 8 SAA4 Read Synchronized data emen 23 4 9 9 AA5 Read the module reset status eH HH 23 4 9 10 SAASVV Enable disable channels for multiplexing mmm mmm 24 4 9 11 AA6 Read channel status m 24 4 9 12 AA7CiRrr Set channel type indiv
39. ms 4313 59 018 49 Engineering unit 4600 00 200 00 81 3 Platinum 100 a 0 003916 Yo of FSR 4100 00 033 33 200 600 C 2 s comp HEX 7FFF D556 Ohms 4317 28 4017 14 Engineering unit 4150 00 050 00 8214 Cu 50 50 150 of FSR 100 00 033 33 2 s comp HEX 7FFF D556 Ohms 082 13 039 24 Engineering unit 180 00 060 00 o Yo of FSR 4100 00 033 33 8375 Nickel 100 60 180 C 2 s comp HEX 7FFF D556 Ohms 223 10 069 50 4 8 6 RTD Over Range Under Range Reading with ASCII command protocol Data Format Over Range Under Range Engineering Unit 9999 9 9999 9 of FSR 999 99 999 99 2 s Complement HEX 7FFF 8000 4 8 7 RTD Over Range Under Range Reading with Modbus RTU protocol Over Range Under Range 7FFFh 8000h 4 8 8 Protocol Switching To switch to the ASCII protocol 1 Uses sub function 06h of the function 46h and set byte 8 to a value of 1 2 After a power on reset the communication protocol will be changed to ASCII protocol To switch to the Modbus RTU protocol 1 Sends the SAAPN command and set N to a value of 1 2 After a power on reset the communication protocol will be changed to the Modbus RTU protocol 18 EDAM 8015 User s manual 4 8 9 INIT Mode When the module is powered on with the rear slide switch set to the INIT position ON position as shown in the figure below the module is in INIT mode and the communication settings are as
40. n eDAM command The response is also composed with several characteristics including leading code variables and carriage return for ending There are two kinds of leading code for response message or gt means valid command and means invalid By checking the response message user can monitor the command is valid or invalid But under the following conditions there will have no response message The specified address ID does not exist Syntax error or communication error Some special commands do not have response 4 5 Summary of Command Set There are four categories of eDAM commands The first is the eDAM special commands The second is the general commands the third is the analog commands the forth is the digital commands and the last is linear mapping commands All the commands used in the eDAM analog input module are list in the following table 4 6 General Command Sets Command Response Description Sec YoAANNTTCCFF IAA Sets the module configuration 494 No Response Synchronized sampling 492 AA gt Data Reads the analog inputs of all channels 4 9 3 HAAN gt Data Reads the analog input of a channel 494 SAAO IAA Performs a span calibration 495 AA1 IAA Performs a zero calibration 4 9 6 AA2 IAANNTTCCFF Reads the module configuration 497 SAA4 SAAS Data Reads the synchronized data 498 AA5 IAAS Reads the module reset status 49
41. nication error is a delimiter character indicating a valid command was received AA range 00 FF represents the 2 character hexadecimal address of module Version is the version code of the module s firmware at address AA cr is the terminating character carriage return Read the INIT terminal status Performs a zero calibration AA1 cr Delimiter character AA Address of the module to be calibrated 00 to FF 1 Command for the zero calibration AA Version cr if the command is valid or AA cr if the command is invalid Delimiter character for a valid command 2 Delimiter character for an invalid command AA Address of the responding module 00 to FF There is no response if the module detects a syntax error or communication error Command 011 Response 01 Performs a zero calibration on module 01 and returns a valid response Command 021 Response 02 Performs a zero calibration on module 02 An invalid command is returned because the enable calibration command was not sent in advance see AAEV command 4 9 17 AAM Read the module name Description Syntax Response Requests the analog output module at address AA to return its name SAAM cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address that you want to access M is the Read Module Name command cr is the terminating character carriage return ODh IAA Module Name cr if the command is val
42. nse 00 Address 1 Byte 1 to 255 01 Function code 1 Byte OxC6 02 Exception code 1 Byte 03 new address out of range reserved bytes are not filled with zero or incorrect number of bytes 34 EDAM 8018 User s manual 5 2 3 Sub function 05 0x05 Read communication settings Description read communication protocol Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x05 03 Reserved 1 Byte 0x00 Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x05 03 Reserved 1 Byte 0x00 04 Baud Rate 1 Byte 0x03 Ox0A Baud Rate code see 4 8 2 for details 05 Reserved 1 Byte 0x00 06 Parity 1 Byte 0x00 no parity 1 stop bit 07 Reserved 1 Byte 0x00 08 Mode 1 Byte 0 ASCII protocol 1 Modubs RTU protocol 09 Reserved 2 Bytes 0x00 0x00 10 Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte OxC6 02 Exception code 1 Byte 03 reserved bytes are not filled with zero or incorrect number of bytes 35 EDAM 8018 User s manual 5 2 4 Sub function 06 0x06 Set communication settings Description set communication protocol Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x4
43. on Syntax Response Example Example 4 9 4 AAN Description Syntax Response Example 4 9 5 SAAO Description Syntax Response The command will return the input value from a specified AA module in the currently configured data format AA cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of an analog input module cr is the terminating character carriage return ODh data cr if the command is valid or AA cr if the command is invalid There is no response if the module detects a syntax error or communication error gt is a delimiter character data is the input value in the configured data format of the module cr is the terminating character carriage return ODh Command 21 cr Response gt 7 2111 7 2567 7 3125 7 1000 7 4712 7 2555 7 1234 7 5678 cr The command response the analog input module at address 21h for its input values of all channels The analog input module responds with channels from 0 to 7 with 7 2111 volts 7 2567 volts 7 3125 volts 7 1000 volts 7 4712 volts 7 2555 volts 7 1234 volts and 7 5678 volts Command DE cr Response FF5DE4323212AE3323345663E000FFO03 cr The analog input module at address DEh has an input value of FF5DE4323212AE3323345663E000FF 03 The configured data format of the analog input module is two s complement Read analog input from channel N The command will return the
44. s been read Read the module reset status Reads the reset status of a module AA5 cr Delimiter character AA Address of the module to be read 00 to FF 5 Command to read the module reset status dns or Invalid Command AA cr Delimiter character for a valid command Delimiter character for an invalid command Address of the responding module 00 to FF Reset status of the module 1 This is the first time the command has been sent since the module was powered on 0 This is not the first time the command has been sent since the module was powered on which denotes that there has been no module reset since the last AA5 command was sent There will be no response if the command syntax is incorrect there is a communication error Command 015 Response 011 Reads the reset status of module 01 The response shows that it is the first time the SAA5 command has been sent since the module was powered on Command 015 Response 010 Reads the reset status of module 01 The response shows that there has been no module reset since the last AA5 command was sent Map 23 EDAM 8018 User s manual 4 9 10 AASVV Enable disable channels for multiplexing Description Syntax Response Example Enables disables multiplexing simultaneously for separate channels of a specified input module AA5VV cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of module 5 i
45. s follows 7 6 5 4 3 2 1 0 Reserved SU Reserved SU bit 3 Setting for under range reading Bit 3 0 the reading of under range is as usual Bit 3 1 force the reading of under range to be the same as over range IAA cr or Invalid Command AA cr Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF Command 01D08 Response 01 Sets the miscellaneous settings of module 01 to 08 and returns a valid response 28 EDAM 8018 User s manual 4 9 23 AAEV Enable disable calibration Description Syntax Response Examples Enable Disable module calibration AAEV cr SS delimiter character AA address of the module E command to enable disable calibration V 1 enable calibration 0 disable calibration IAA cr if the command is valid or AA cr if the command is invalid delimiter character for a valid response delimiter character for an invalid response AA address of the responding module 00 to FF There will be no response if the command syntax is incorrect there is a communication error Command 5010 cr Response 01 cr Send the command to perform a span calibration on module 01 It returns an invalid response because the enable calibration command was not sent in advance Command 01E1 cr Response 01 cr Enable calibration on module 1 Command 010 cr Response 01
46. s the Enable disable Channels command VV are two hexadecimal values The values are interpreted by the module as two binary words 4 bit The first word represents the status of channel 4 7 and the second word represents the status of channel 0 3 Value 0 means the channel is disabled value 1 means the channel is enabled cr is the terminating character carriage return ODh IAA cr if the command is valid or AA cr if the command is invalid There is no response if the module detects a syntax error or communication error delimiter character indicates a valid command was received delimiter character indicates the command was invalid AA range 00 FF represents the 2 character hexadecimal address of module cr is the terminating character carriage return ODh Command 00581 cr Response 00 cr Hexadecimal 8 equals binary 1000 which enables channel 7 and disables channels 4 5 and 6 Hexadecimal 1 equals binary 0001 which enables channel 0 and disables channel 1 2 and 3 4 9 11 AA6 Read channel status Description Syntax Response Example Asks a specified input module to return the status of all channels AAG6 cr AA range 00 FF represents the 2 character hexadecimal address of the module of which the channel status you want to send The channel status defines whether a channel is enabled or disabled 6 is the Read Channel Status command cr is the terminating character carriage return
47. t there is a communication error or there is no module with the specified address Command 0181 Response 01 Sends the command to reload the factory default calibration parameters for module 01 and returns a valid response 27 EDAM 8018 User s manual 4 9 21 AAD Read the miscellaneous settings Description Syntax Response Examples Reads the miscellaneous settings of a module AAD cr ux Delimiter character AA Address of the module to be read 00 to FF D Command to read the miscellaneous settings idis or Invalid Command AA cr Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF VV Two hexadecimal digits that represent the miscellaneous settings as follows 7 6 5 4 3 2 1 0 Reserved SU Reserved SU bit 3 Setting for under range reading Bit 3 0 the reading of under range is as usual Bit 3 1 force the reading of under range to be the same as over range Command 01D Response 10108 Reads the miscellaneous settings of module 01 and returns 08 4 9 22 AADVV Set the miscellaneous settings Description Syntax Response Examples Set the miscellaneous settings of a module AADVV cr is Delimiter character AA Address of the module to be read 00 to FF D Command to read the miscellaneous settings VV Two hexadecimal digits that represent the miscellaneous settings a
48. t 1 corresponds to channel 1 etc When the bit is 1 it denotes that the channel is enabled and 0 denotes that the channel is disabled Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x26 03 Enabled disabled 1 Byte 0 OK others error status Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte OxC6 02 Exception code 1 Byte 03 incorrect number of bytes 41 EDAM 8018 User s manual 5 2 10 Sub function 41 0x29 Read miscellaneous settings Description read miscellaneous settings Request 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x29 Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x29 03 Miscellaneous 1 Byte Bit 7 filter setting settings 0 60Hz rejection 1 50Hz rejection Bit 6 0 reserved Error Response 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0xC6 02 Exception code 1 Byte 03 incorrect number of bytes 42 EDAM 8018 User s manual 5 2 11 Sub function 42 0x2A Set miscellaneous settings Description set miscellaneous settings Request L 00 Address 1 Byte 1 to 255 01 Function code 1 Byte 0x46 02 Sub function code 1 Byte 0x2A 03 Miscellaneous 1 Byte Bit 7 filter setting settings 0 60
49. t watchdog is disabled V VV two hexadecimal digits to represent the value in tenths of a second There will be no response if the command syntax is incorrect there is a communication error Command 012 cr Response 011FF cr Reads the host watchdog time out value of module 01 and returns FF meaning that the host watchdog is enabled and watchdog timeout value is FF hex 255 5 seconds mpo 4 9 31 AASETT Enables disables the host watchdog Description Syntax Response Examples Enables disables the host watchdog and set the host watchdog time out value of a module AA3EVV cr e delimiter character AA address of the module to be read 00 to FF 3 command to set watchdog time out value E 1 enable host watchdog 0 disable host watchdog TT two hexadecimal digits to represent timeout value in tenths of second for example 01 means 0 1 seconds and FF means 25 5 seconds IAA cr if the command is valid or AA cr if the command is invalid delimiter character for a valid response delimiter character for an invalid response AA address of the responding module There will be no response if the command syntax is incorrect there is a communication error Command 013164 cr Response 01 cr Enable host watchdog of module 01 and sets e host watchdog time out value to 10 0 seconds 31 EDAM 8018 User s manual Chapter 5 Modbus RTU Command structure EDAM 8015 system accepts a command response form with th
50. toring and calibration It also includes a terminal emulation program that lets you easily communicate through the eDAM command set 3 6 eDAM Isolated RS 232 RS485 Converter When the host computer or terminal has only a RS 232 port an eDAM 8520 Isolated RS 232 RS 485 422 converter connected to the host s RS 232 port is required This module equips a Auto baud rate detector inside therefore it can detect the baud rate and data format automatically and control the direction of RS 485 precisely 3 7 Initialization Procedure Power off the host computer and the installed eDAM 8520 to COM port of host computer Connect a brand new eDAM module with the RS 485 Set the module in Default State by shorting the INIT pin to GND Refer to Figure 1 for detailed wiring 3 Power on the power supply for eDAM modules Use the eDAM utility to configure the address ID baud rate check sum status and command sets of the module eDAM8520 eDAM O module Power supply 10Vdc 30Vdc Figure 1 11 EDAM 8015 User s manual 3 8 ND mF ob 10 11 12 13 Install a New eDAM to a Existing Network Equipments for Install a New Module A existing eDAM network New eDAM modules Power supply 10 to 30 VDC Installing Procedures Configure the new eDAM module according to the initialization procedure in section 3 7 The baud rate and check sum status of the new module must be identity with the existing RS 485 network The addr
51. unication error delimiter character indicates a valid command was received delimiter character indicates the command was invalid AA range 00 FF represents the 2 character hexadecimal address of the module cr represents terminating character carriage return ODh In order to successfully calibrate an analog input module s input range a proper calibration input signal should be connected to the analog input module before and during the calibration 21 EDAM 8018 User s manual 4 9 6 AA1 Offset calibration Description Syntax Response 4 9 7 AA2 Description Syntax Response Example Calibrates an analog input module to correct for offset errors AA1 cr is a delimiter character AA range 00 FF represents the 2 character hexadecimal address of the module you want to calibrate 1 is the Offset Calibration command cr is the terminating character carriage return ODh IAA cr if the command is valid or AA cr if the command is invalid here is no response if the module detects a syntax error or communication error delimiter character indicates a valid command was received delimiter character indicates the command was invalid AA range 00 FF represents the 2 character hexadecimal address of the module cr represents terminating character carriage return ODh Read configuration status Requests the return of the configuration data from the module at address AA AA2 cr
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