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GREEN Series Communication Functions

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1. JIS Class D 3 grounding grounding JIS Class D 3 grounding grounding resistance of 100Q or less resistance of 100Q or less 2 wire connection PLC or graphic panel UT UP UT UP SDB Terminating Terminating resistor resistor SDA 22091 4W 22091 4W RDB Ie RDA 6 SG ay Communication cable Communication cable JIS Class D 3 grounding grounding JIS Class D 3 grounding grounding resistance of 100Q or less resistance of 100Q or less Wiring via the UT750 UP750 s high speed RS 485 interface is common with a PC PLC sequencer and graphic panel High speed RS 485 interface 2 wire connection UT750 UP750 only ML2 O UT750 UP750 UT750 UP750 PC Terminating resistor 22091 4W L RS 232C straight cable Terminating resistor 22091 4W Communication cable Communication cable JIS Class D 3 grounding JIS Class D 3 grounding JIS Class D 3 grounding grounding resistance grounding resistance grounding resistance of 100Q or less of 1002 or less of 1002 or less Device to be connected UT750 UP750 UT750 UP750 Terminating Terminating resistor resistor 22001 4W 22091 4W Communication cable Co
2. Response continued 4 4 Note 5 0000 Checksum ETX Note 6 Note 1 Model name control type and options of GREEN Series Controller Model code of UT750 ur7so LI0 0 No option _ 1 With communication auxiliary analog remote input 0 Single loop type 1 Position proportional type _ 5 Dual loop type Model code of UP750 UP750 LI Fa No option With communication auxiliary analog input XFN o ro Single loop type C 5 Dual loop type Model code of UT55L UTS5S5_ a No option With communication auxiliary analog remote input 6 additional DIs and 4 additional DOs With communication auxiliary analog remote input and 1 additional DI With 5 additional DIs and 4 additional DOs With auxiliary analog remote input and 1 additional DI Standard type Position proportional type Heating cooling type Standard type with 24V DC sensor power supply w a Y wrvr o AWN HO 4 Position proportional type with 24V DC loop power supply 0 UTS50 1 UT551 Model code of UT520 UT520 Ae 0 No option 7 With communication auxiliary analog remote input and 2 additional DIs 8 With auxiliary analog remote input and 2 additional DIs 0 Standard type Model code of UP550 UPSS50 L A No option C 1 With communication auxiliary analog input and 1 additional DI
3. Responses Number of Number of BCD digits 2 2 4 1 1 1 1 4 1 1 1 1 CPU number 01 Parameter number Element Station number Data of the parameter number Second data first data nth data Example Reading a measured input value of a GREEN Series controller with station number 01 The following command reads the measured input value D0003 at station number 01 Command 01010003000000010D0A In response to the command above the measured input value 200 is returned 01010003000002000D0A 0200 has been returned Response IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt 4 2 2 Writing Data lt 4 Ladder Communication gt 4 6 Shown below are the configurations of commands and responses when data is written to a GREEN Series controller from the PLC Commands Number of bytes Number of BCD digits Element Station number Responses Number of bytes CPU number 01 1 Parameter number 2 Number of BCD digits 2 4 Element Station number Example CPU number 01 Parameter number Writing 200 to the target setpoint 1 value of a GREEN Series controller with station number 01 The following command writes 200 to the target setpoint 1 D0301 at station number 01 Command 01010301001002000D0A
4. gt 0 Standard type 1 Position proportional type 2 Heating cooling type IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 21 Model code of UT450 UT450 O00 py 0 No option 1 With communication remote input 5 additional DIs and 1 additional alarm 2 With communication remote input and additional DI 3 With 4 additional DIs and 1 additional alarm 4 With remote input and 1 additional DI 0 Standard type 1 Position proportional type 2 Heating cooling type 3 Standard type with 24V DC loop power supply _4 Position proportional type with 24V DC sensor power supply Model code of UT420 UT420 L00 ry 4 0 No option 7 With communication remote input and 2 additional DIs 8 With remote input and 2 additional DIs 0 Standard type Model code of UT350 320 351 321 UT3OO OO AA 7 Af 0 No option With communication and heater burnout alarm With heater burnout alarm f Ne N i Standard type Heating cooling type Standard type with 24V DC loop power supply Ww N i UT350 UT320 UT351 UT321 ja n Size 96 x 96 mm Size 48 x 96 mm FN FON N Model code of UP350 351 UP35 0 0 No option 1 With communication 0 Standard type 0 UP350 1 UP351 Model code of UM350 330 351 331_ uMm300 00 A t 0 No option 1 With communication and additional alarm 4 2 With a
5. 3 1 2 Configuration of Response Responses from a GREEN Series controller with respect to a command sent from the higher level device consist of the elements shown below which differ depending on the condition of communication normal or failure 1 With Normal Communication When communication is carried out normally the GREEN Series controller returns the character string OK and in response to read commands also returns read out data 2 In the Event of Failure If communication is carried out abnormally the GREEN Series returns the character string ER and error codes EC1 and EC2 See subsection 3 2 4 Response Error Codes e No response is made in case of an error in address number specification or CPU number specification e lf a GREEN Series controller cannot receive amQ TX contained in a command a re sponse may not be made As a measure against these situations provide a timeout processing in the communica tion functions or communication programs of the higher level device Number of bytes 2 Element IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 5 3 2 Communication with Higher level Device In PC link communication when specifying D registers B registers or relays internal registers of GREEN Series you can use the numbers as is The numbers of these internal registers are in the following format e Dregisters B regist
6. All models of GREEN Series BT All UT controllers of GREEN Series BP All UP controllers of GREEN Series 00 All devices supporting PC link communication 01 to 99 Device with a corresponding address number IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 8 3 2 3 Commands BRD Reads relays on a bit by bit basis Function Reads the ON OFF statuses of a sequence of contiguous relays by the specified number of bits starting at a specified relay number e The number of bits to be read at a time is 1 to 256 e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes the checksum function When performing communication without checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of Bytes 3 Command Address CPU I relay Comma element number number number or space ADR 01l Number of Bytes A 2 Response Address CPU element number number ADR 01 The response is 0 when the status is OFF or 1 when ON dn read data of the specified number of bits n 1 to 256 dn 0 OFF dn 1 ON Example Reading the status of alarm 1 of the GREEN Series with address number 01 The following command reads the status of alarm 1 10097 at address number 01 Command STX 01010BRDI
7. User s CED Manual GREEN Series GREEN Communication Functions IM 05G01B02 01E YOKOGAWA IM 05G01B02 01E Yokogawa Electric Corporation 6th Edition lt Toc gt lt Ind gt lt Rev gt lt Introduction gt l Introduction This user s manual describes the communication functions of the GREEN Series of con trollers and provides information on how to create communication programs The GREEN Series use the following internal registers and relays 1 D registers 2 B registers lt UP750 and UP550 only gt 3 I relays The GREEN Series controllers can communicate with a higher level device via these internal registers You are required to understand the communication specifications of higher level devices as a background knowledge in regard to their communication hardware language used for creating communication programs and so on Higher level devices PCs PLCs sequencers graphic panels and others E Intended Readers This manual is intended for people familiar with the functions of the GREEN Series control lers such as control engineers and personnel in charge of the maintenance of instrumenta tion and control equipment E Related Documents The following user s manuals all relate to the communication functions of the GREEN Series Read them as necessary The codes enclosed in parentheses are the document numbers e UT350 UT320 User s Manual IM 05D01D02 01E to 03E Explains the basic operation o
8. Note The user defined flags I relays are flags that the user can freely read write For user s read write accessible areas see GREEN Series Communication Reference IM 05G01B02 02E OK is returned in response to the command above Response STX 0101OK5C ETX CR IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt 3 10 lt 3 PC Link Communication gt BRR Reads relays on a bit by bit basis in a random order Function Reads the ON OFF statuses of the individual relays specified in a random order by the specified number of bits The number of bits to be read at a time is 1 to 32 For the format of response in the event of failure see subsection 3 1 2 The command shown below includes a checksum function When performing commu nication without the checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of 1 Bytes Comma or space Comma or space Command element Command continued 5 I relay number Number of Bytes 2 1U 2 STX Address CPU Checksum number number ADR 01 Response element The response is 0 when the status is OFF or 1 when ON dn read data of the specified number of bits n 1 to 32 dn 0 OFF dn 1 ON Example Reading the statuses of alarms 1 and 4 of the GREEN Series with address number 05 The following command reads the
9. 01 to 99 Address numbers are used by a higher level device to identify which GREEN Series controller to communicate with ID number of the GREEN Series 3 CPU Number This number is fixed to 01 4 Time to Wait for Response This is fixed to 0 5 Command See subsection 3 2 1 Specify a command to be issued from the higher level device 6 Data Corresponding to Command Specify an internal register D B register or relay number of data items GREEN Series parameter values or others 7 Checksum In PC link communication with sum check the ASCII codes of the text between STX and the checksum are converted into hexadecimal values and added on a byte basis Then the lowermost byte of the added results is turned into ASCII code and its lower byte is used as the checksum This 2 byte space is unnecessary for PC link communication without sum check 8 ETX End of Text This control code indicates the end of a command string The character code is CHR 3 9 CR Carriage Return This control code marks the end of a command The character code is CHR 0D 5 The Select Series dialog box Figure 3 1 2 appears IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 3 AN NOTE The control codes STX ETX and CR in commands are indispensable Do not miss any of them when you create a communication program for PC link communication A communi cation fail
10. 0101 0123 00 0000 CRLF 0101 0 0000 0000 CRLF 0101 0123 0011 0050 CRLF 0050 is the current setting of the parameter No response A timeout occurred when sending data Timeout 5 seconds No response Send buffer overflowed The buffer capacity is 199 bytes No response A framing error or a parity error occurred AN NOTE If you try to read data of a parameter number that is not in the D register table or B register table or that corresponds to a vacant cell in that table no error occurs and 0 is returned IM 05G01B02 01E No response 6th Edition 2006 05 31 00 Blank Page lt Toc gt lt Ind gt lt 5 MODBUS Communication gt 5 1 5 MODBUS Communication 5 1 Overview A MODBUS communication protocol is one of the protocols used to communicate with devices such as PCs PLCs Sequencers and graphic panels Via this communication protocol these devices can exchange data with GREEN Series controllers by reading writing the internal registers D registers B registers of a GREEN Series controller Hereafter PCs PLCs sequencers and graphic panels are referred to as higher level devices CX See Also GREEN Series Communication Reference IM 05G01B02 02E for information about internal registers For the MODBUS communication of the GREEN Series two transmission modes are supported ASCII mode ASCII system and RTU mode binary system Table 5 1 ASCII a
11. 2 4 Wiring for Contact I O Expansion Expansion modules of yFA20 Small Programmable Controller can be connected to a master device of UT750 UP750 Table 2 2 4 uFA20 Expansion Modules Model Input specification Output specification Power supply P2ER1 20J 12 points 24VDC 5mA 8 points Relay contacts 100 to 240 V AC P2ET1 20J 12 points 24VDC 5mA 8 points Transistor contacts P2ER6 20J 12 points 24VDC 5mA 8 points Relay contacts P2ET6 20J 12 points 24VDC 5mA 8 points Transistor contacts High speed RS 485 interface 2 wire connection UT750 UP750 only eS extention ee UT750 UP750 module 1 module 2 Terminating resistor 22021 4W Terminating resistor 22001 4W SHIELD uFA20 expansion module Communication cable Communication cable JIS Class D 3 grounding grounding resistance JIS Class D 3 grounding JIS Class D 3 grounding of 1002 or less grounding resistance grounding resistance of 1002 or less of 100Q or less A NOTE Do not share the grounding wire with another controller Doing so may result in a failure of the controller Use crimp terminals at the cable ends IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 2 Setup gt 2 6 2 3 Notes on Setting Communication Parameters This section describes the parameters that set up the communication functions and their setting ranges A
12. 7 Contact I O Expansion gt Table 7 2 Correspondence between Contact Terminals of the Expansion Module and Contact Input Output Registration Parameters of GREEN Series Expansion module 1 Contact output terminal of expansion module Contact output registration parameter D register number R151 D1543 R152 D1544 R153 D1545 R154 D1546 R155 D1547 R156 D1548 R157 D1549 R158 D1550 Expansion module 1 Contact input terminal of expansion module Contact input registration parameter I relay number RDI101 10177 RDI102 10178 RDI103 10179 RDI104 10180 RDI105 10181 RDI106 10182 RDI107 10183 RDI108 10184 UT750 UP750 master Co GOCA Expansion module 2 Contact output terminal of expansion module Contact output registration parameter D register number R251 D1551 R252 D1552 R253 D1553 R254 D1554 R255 D1555 R256 D1556 R257 D1557 Expansion module 2 Contact input terminal of expansion module R258 D1558 Contact input registration parameter I relay number RDI201 10185 RDI202 10186 RDI203 10187 RDI204 10188 RDI205 10189 RDI206 10190 RDI207 10191 Max 15 m Up to 2 modules can be connected uFA20 expansion module ST No 1
13. Figure 7 1 Connection of Contact I O Expansion uFA20 expansion module ST No 2 IM 05G01B02 01E RDI208 10192 6th Edition 2006 05 31 00 lt Int gt lt Toc gt lt Ind gt Revision Information Manual Title GREEN Series Communication Functions Manual No IM 05G01B02 01E 1st Edition June 2000 Newly published 2nd Edition Jun 2003 Error corrections 3rd Edition Jul 2004 Product transfer to Yokogawa Electric Corporation 4th Edition Sep 2004 Error corrections 5th Edition Jan 2005 Addition of UT551 6th Edition May 2006 Addition of explanation in the figure Written by Yokogawa Electric Corporation Published by Yokogawa Electric Corporation 2 9 32 Nakacho Musashino shi Tokyo 180 8750 JAPAN IM 05G01B02 01E 6th Edition 2006 05 31 00 Blank Page YOKOGAWA Yokogawa Electric Corporation YOKOGAWA ELECTRIC CORPORATION Network Solutions Business Division 2 9 32 Nakacho Musashino shi Tokyo 180 8750 JAPAN Phone 81 422 52 7179 Facsimile 81 422 52 6793 Sales Branch Offices Tokyo Nagoya Osaka Hiroshima Fukuoka YOKOGAWA CORPORATION OF AMERICA Headquaters 2 Dart Road Newnan GA 30265 1094 U S A Phone 1 770 253 7000 Facsimile 1 770 251 0928 Sales Branch Offices Texas Chicago Detroit San Jose YOKOGAWA EUROPE B V Headquaters Databankweg 20 3821 AL Amersfoort THE NETHERLANDS Phone 31 334 64 1611 Facsimile 31 334 64 1610 Sales Branch Off
14. function When performing communication without the checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of 2 Bytes Command Address element number ADR Number of 2 Bytes Response Address CPU element number number ADR 01 The response is 0 when the status is OFF and 1 when ON dn read data of the number of bits specified by the BRS command n to 32 dn 0 OFF dn 1 ON Example Monitoring the stop status of the GREEN Series with address number 05 This command reads the statuses of the relays specified by the BRS command Command STX 05010BRMD7 ETX CR The ON OFF status of the relay is returned in response to the command above Response STX 05010K191 ETX CR t The relay is ON IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 14 WRD Reads D registers and I relays on a word by word basis Function Reads a sequence of contiguous register information on a word by word basis by the specified number of words starting at the specified register number e The number of words to be read at a time is 1 to 64 e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes the checksum function When performing communication without the checksum do not include the 2 byte checks
15. of response in the event of failure see subsection 3 1 2 e The command shown below includes the checksum function When performing communication without the checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of Bytes 2 5 1 a 1 Command Address Register Comma Register Comma element number of words number or space number or space ADR n 1 2 Command continued 5 Register Checksum ETX CR number n Number of Bytes 2 ui 2 Response Address CPU ins ddddn Checksum ETX CR element number number ADR Ol The response is returned in a 4 digit character string 0000 to FFFF in a hexadecimal pattern ddddn character string in a hexadecimal pattern n 1 to 32 Example Reading the measured input and control output values of the GREEN Series with address number 10 The following command reads the measured input value D0003 and control output value D0005 at address number 10 Command STX 10010WRRO2D0003 D00058B ETX CR The measured input value 200 00C8 HEX and output value 50 0032 HEX are returned as the response to the above command Response STX 1001OKO00C80032FC ETX CR IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 17 WRW Writes data into D registers and relays on a word by word basis i
16. 01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 5 MODBUS Communication gt 5 3 5 2 Communication with Higher level Device When you use a commercially available SCADA or the like or a user created communica tion program you must be careful when specifying D registers B register numbers con tained in messages because in both cases you cannot use the original Dregisters B register numbers as they are To specify D registers 1 When using a commercially available SCADA or the like specify D register numbers by changing them into reference numbers To change them into a reference number replace the D register number s leading character D with 4 When using a DDE server or others specify these reference numbers 2 In a user created communication program specify a D register using the hexadecimal number of the value obtained by subtracting 40001 from the D register s reference number Specify this hexadecimal number Example To specify target setpoint D0301 e For a message using commercially available SCADA or the like specify reference number 40301 e Fora message in a user created communication program specify 012C the hexa decimal number of 0300 which is obtained by subtracting 40001 from the reference number To specify B registers 1 When using a commercially available SCADA or the like specify B register numbers by changing them into reference nu
17. 0WRW02D0301 00C8 D0915 00969D ETX CR Target setpoint 200 E Alarm setpoint 150 OK is returned in response to the command above Response STX 10010K5C ETX CR IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 18 WRS Specifies the D registers and I relays to be monitored on a word by word basis Function Specifies the numbers of the registers to be monitored on a word by word basis Note that this command simply specifies the registers Actual monitoring is performed by the WRM command after the register numbers are specified by this command If the volume of data is large and you wish to increase the communication rate it is effective to use a combination of the WRS and WRM commands rather than the WRD commana If the power supply is turned off the register numbers specified will be erased e The number of words to be specified at a time is 1 to 32 e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes the checksum function When performing communication without the checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of Bytes Command Address CPU WRS Number Register Comma ey element number accu of words ae a or space E or space ADR n Command continued 5 Register number Number of Byt
18. 12 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 1 Communications Overview gt 1 1 Table 1 3 RS 485 Interface Interface Standard RS 485 Communication system 4 wire half duplex 2 wire half duplex Interface Specifications Communication rate 600 1200 2400 4800 9600bps High speed RS 485 2 wire half duplex 600 1200 2400 4800 9600 19 2k 38 4kbps Table 1 4 Contact I O Expansion Interface Specification Other specification Contact I O expansion Input 16 points can be added at maximum Output 16 points can be added at maximum Other specifications Asynchronous start stop Handshaking Maximum communication distance 1200 m Maximum number of connectable devices 31 Start bit 1 Data length 8 or 7 bits Parity No parity even odd Stop bit 1 or 2 Protocols available PC link communication Ladder communication MODBUS communication Coordinated operation PC link communication Ladder communication MODBUS communication Coordinated operation Contact I O expansion Maximum communication distance 15 m When two uFA20 expansion modules are connected IM 05G01B12 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 2 Setup gt 2 1 2 Setup This chapter describes the procedure to set up the communication functions and also refers to some notes on wiring and communication parameters 2 1 Setup Procedure S
19. 6 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 23 3 2 4 Response Error Codes EN See Also Subsection 3 1 2 Configuration of Response for the structure of the response in the event of an error The error codes EC1 and detailed error codes EC2 of response are as follows Table 3 4 Error Codes EC1 Error code Meaning Command error Causes The command does not exist Command not executable Internal register specification error Specified register number does not exist In handling bit registers I relays on a word by word basis its specification is not correct Out of setting range A character other than 0 and 1 was used for bit setting A value other than 0000 to FFFF was specified in the word specification The start address specified for data loading saving is out of the address range Number of data error Specified number of bits or words is too large The number of data or registers specified and the number of parameters for them are inconsistent Monitor error An attempt was made to execute monitoring without specifying any device to be monitored BRS or WRS Parameter error Wrong parameter Sum error The sum does not match Internal buffer overflow Too much data was received Timeout between received characters Table 3 5 Detailed Error Codes EC2 Error code EC1 Meaning Internal register specifi
20. Display received character string on screen END END f subroutine receivechr Interruption processing during receiving CHR1S INPUT 1 1 Fetch characters from receive buffer one by one IF CHR1S CRS THEN Tf received character string is CR IF RCVCHRS SENDS THEN Tf received character string is the same as sent command RCVCHRS received character string is initialized echo back RCVEND 0 receiving end flag remains initialized at 0 ELSE If received character string is different from sent command ERCVEND 1 receiving end flag is set END IF i ELSE If it is a character other than CR RCVEND 0 receiving end flag remains initialized at 0 RCVCHR RCVCHR CHR1 Create received character string END IF RETURN 1 timeout Timeout processing TIMEOUT 1 Set timeout flag RCVCHR Time out 5 sec CR Character string for display on screen Time out 5 sec RETURN Line numbers are not required They are simply provided for checking the number of program steps 30 IM 05G01B02 01E 6th Edition 2006 05 31 00 Blank Page lt Toc gt lt Ind gt lt 4 Ladder Communication gt 4 1 4 Ladder Communication 4 1 Overview By using ladder communication you can easily perform communication between a PLC sequencer and a GREEN Series controller This kind of communication allows for the reading writing of D registers B registers internal register
21. EEN Series controller with an address number 02 The following message writes values 200 10 and 3 in this order in the ASCII mode start ing with the proportional band D0331 of address number 02 Message 0210014A00030600C8000A0003C5 CR taa Start of message mark 02 address number 02 10 function code 16 014A starts register address 0331 0003 number of D registers 3 06 byte count 00C8 proportional band s value 200 000A integral time 10 0003 derivative time 3 and C5 error check Numbers in quotation marks are hexadecimal The following response is returned with respect to the message above Response 0210014A0003A0 CR Number of registers 3 IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 5 MODBUS Communication gt 5 7 06 Writes data to D registers B register Function This function code writes data to a specified D registers B register number e The maximum number of D registers B registers to be written to at the same time is 1 e For the format of response in the event of failure see subsection 5 2 4 e Broadcast addressing is possible by setting 00 to the address number Message for normal operation Start of Address Function Code D Register D Register Message Number 06 Number Number Mark ADR Upper Digit Lower Digit Number of bytes in RTU mode Number of bytes in ASCII mod
22. In response to the command above the following response is returned Target setpoint 1 value is 200 Response 01010301001002000D0A to 0200 has been returned IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt 4 2 3 Response Error Codes lt 4 Ladder Communication gt 4 7 The PLC may receive the following responses in the event of error Table 4 4 Response in the Event of Error Error condition A non existing parameter number was sent Data sent from PLC 0101 0000 0000 0001 CRLF 0000 is the wrong parameter number Data PLC receives 0101 0000 0000 FFFF CRLF FFFF is returned Characters other than BCD codes were used in an element other than a station number An LF code 0A was used in an element other than a station number 0101 0123 0000 000B CRLF 0101 0123 000B 0000 CRLF 0101 0123 0B00 0000 CRLF 0101 012B 0000 0000 CRLF 0101 0123 0000 000A CRLF 0101 0123 000A 0000 CRLF 0101 0123 0A00 0000 CRLF 0101 010A 0000 0000 CRLF 0101 FFFF FFFF FFFF CRLF No response Specified station number does not match any of the controllers connected 0103 0123 0000 0000 CRLF 0001 0123 0000 0000 CRLF 3301 0123 0000 0000 CRLF No response The write data was outside the range Wrong command length Command length is 10 bytes including CR and LF codes 0101 0123 0011 9999 CRLF 9999 is the data outside the range 0101 0123 0000 00 CRLF
23. N NOTE The communication specifications of both the GREEN Series controller and the higher level device must be the same Check the communication specifications of the higher level device first then set up the communication parameters of the GREEN Series controller 2 3 1 Procedure to Set Communication Parameters For the operation procedure see the User s Manual of each GREEN Series controller The GREEN Series are shipped from the factory with the following communication specifi cations Table 2 3 1 Protocol by Protocol Default Parameter Settings Communication protocol PC link communication without sum check PC link communication with sum check Ladder communication MODBUS communication ASCII mode MODBUS communication RTU mode Coordinated operation 3 4 9 10 11 Contact I O expansion 5 6 Note Circled numbers denote fixed values i e the parameters can neither be shown nor changed IM 05G01B02 01E QIO o 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 2 Setup gt 2 3 2 Description of Communication Parameters Table 2 3 2 Communication Parameters of GREEN Series Parameter name y 1 Protocol selection Parameter code PSL PSL1 PC link communication Setting range 0 Without sum check 1 With sum check Ladder communication 2 Ladder communication Coordinated operation MODBUS communic
24. Number 1 to 99 An address number is used by a higher level device to identify which GREEN Series controller to communicate with ID number of GREEN Series controller 3 Function Code See subsection 5 2 1 List of Function Codes The function code specifies a command function code from the higher level device 4 Data This element specifies D registers B register numbers the number of D B registers param eter values and so on in accordance with the function code 5 Error Check In RTU mode carried out by the cyclic redundancy check CRC 16 system In ASCII mode carried out by the longitudinal redundancy check LRC system 6 End of Message Mark This mark indicates the end of a message Note that only ASCII mode requires CR Message format for communication Example When setting the target setpoint 50 00 to a GREEN Series controller the higher level device sends the message data 1388 which is the hexadecimal value of 5000 decimal point removed from 50 00 this is also true for setting 5 000 or 500 0 Message data to be sent from the higher level device 1388 hexadecimal value of 5000 Response data from GREEN Series Message data 1388 controller 1388 GREEN Series controller side Target setpoint 50 00 The position of the decimal point for 5000 is determined by the DP decimal point position parameter of the GREEN Series controller IM 05G
25. O097 001A0 ETX CR The following response is returned with respect to the above command Alarm 1 is ON Response STX 01010K18D ETX CR t Alarm has been ON since 1 was returned IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 9 BWR Writes data into relays on a bit by bit basis Function Writes ON OFF data into a sequence of contiguous relays by the specified number of bits starting at a specified relay number e The number of bits to be written at a time is 1 to 256 e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes a checksum function When performing commu nication without checksum do not include the 2 byte checksum element in the com mand Command Response for normal operation Number of Bytes Command Address Irelay Comma Comma element number number or space f bits or space Write information is 0 to set OFF or 1 to set ON dn write data of the specified number of bits n 1 to 256 dn 0 OFF dn 1 ON Number of Bytes Response STX Address CPU OK Checksum ETX CR element number are ADR Example Setting the user defined flag of the GREEN Series with address number 01 to ON The following command writes ON into the user defined flag 10865 at address number 01 Command STX 01010BWRI0865 001 113 ETX CR
26. aphic panels Via this communication protocol these devices can exchange data with a GREEN Series controller by reading writing the controller s internal registers D B registers and relays Hereafter PCs PLCs sequencers and graphic panels shall be referred to as higher level devices aA See Also GREEN Series Communication Reference IM 05G01B02 02E for information about internal registers In PC link communication a higher level device identifies each GREEN Series controller with a communication address which ranges from 1 to 99 However broadcasting which requires no address number is possible with some of the commands For more informa tion see subsection 3 2 2 Max 1200 m the maximum number of slave units 31 Co OGOH GREEN Series controllers Figure 3 1 Connection of PC Link Communication The next section will discuss the configuration of commands and responses IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 2 3 1 1 Configuration of Commands Commands sent from a higher level device to a GREEN Series controller consist of the following elements Number of bytes 3 Variable length Data corresponding Element igecrmand Checksum 0 1 STX Start of Text This control code indicates the start of a command The character code is CHR 2 2 Address Number
27. as the master s as the master s selection of slave controller controller controller controller Master Operates by the ZON 1 Zone PID Zone PID ae vii PID e ZON PID Operats by PV Operats by PV perates y selection of slave selects by PV target setpoint coritrolier Master UT551only Operates by the ZON 2 Zone PID Zone PID Zone FID PID number selection of slave controller Operates by the same PID number as the master s controller AN NOTE Operates by the PID number selection of slave controller The UT750 UP750 UT550 UT520 UT551 and UP550 display data in 5 digits Data that is read written via communication also consists of 5 digits However if you do not need to use 5 digit data for communication set the data display digits of the controller to no more than 4 digits Co GGO GREEN Series controller slave 4 GREEN Series controller master Max 1200 m the maximum number of slaves 31 Co OCIO Figure 6 1 Connection of Coordinated Operation IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 6 Coordinated Operation gt 6 3 6 2 Starting Coordinated Operation After the wiring and setup of communication parameters have been completed turn off the power once and turn it on again Switchover of coordinated operation 1 For UT750 UT550 UT520 UT551 UT450 UT420 Set all the s
28. aster controller Therefore you do not have to create a communication program or to use specialized software for coordinated operation The controllers operate in coordination with respect to the following items Target Setpoint Note that when the master is a program controller UP controller slave program control lers can be made to perform program operation When the controller is set up to Master or Slave The sending controller always sends the target setpoint of Loop 1 If the receiving controller is in dual loop mode both loops operate using the same target setpoint When the controller is set up for Master 2 loop mode or Slave Loop 1 or Loop 2 mode If the sending controller is dual loop type or its program pattern 2 generator is ON it sends the target setpoints of Loop 1 and Loop 2 When the sending controller is single loop type and its program pattern 2 generator is OFF it sends Loop 1 target setpoint The receiving controller uses either data of Loop 1 or Loop 2 according to the se lected number If the receiving controller is dual loop type it operates using the target setpoints of the respective loops Program pattern 2 generator PT2 G is a parameter provided only for UP750 UP550 A NOTE The combination of Master and Slave Loop 1 or Loop 2 mode will result in a coordinated operation error The combination of Master 2 loop mode and Slave will also result in a coordinated opera tion er
29. ation 3 Master 4 Slave 9 Master 2 loop mode 10 Slave Loop 1 mode 11 Slave Loop 2 mode 7 ASCII mode RTU mode Address ADRn PC link communication Without sum check With sum check Ladder communication Ladder communication Coordinated operation Contact I O expansion Master Slave 9 Master 2 loop mode 10 Slave Loop 1 mode 11 Slave Loop 2 mode 5 Add one module 6 Add two modules 1 to 99 Baut rate BPS BPS1 600 1200 2400 4800 9600 bps BPS2 600 1200 2400 4800 9600 19 6k 38 4k bps Parity PRIn NONE no parity EVEN ODD Stop bit STP n 1 2 bit Data length DLNn 7 8 bit Minimum response time RP Tn 0 to 10 x10 ms 1 UT750 and UP750 have two sets of parameters n 1 2 for their two communication ports Note that among the parameters protocol selection PSL1 and PSL2 and baud rate BPS1 and BPS2 have different setting ranges between the two ports 2 Data length is fixed at 8 bits for ladder communication and when MODBUS communication is selected 7 bits for ASCII mode and 8 bits for RTU mode IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 2 Setup gt 2 8 1 Protocol selection PSLn Set the same communication protocol as that of the higher level device to be connected to The GREEN Series supports PC link ladder and MODBUS
30. ays on a word by word basis in random order ccceeseeeeeeeesseeeeececeeeeeeeeeeeeeeeseeeeeeaeaes 3 17 WRS Specifies the D registers and relays to be monitored on a word by word DaSis 2 00 0 eeeeeeceeeeeeneeeeeeeeneeeeeeeeenaeeeeeeeseeeeeeeenaes 3 18 WRM Monitors the D register and relays on a word by word basis 3 19 INF Reads the model version and revision information 3 20 UMD Sets the UT UP mode control function s es 3 22 USM Changes the PV input sampling period cceeeeeeeeeeeeeeees 3 22 3 2 4 Response Error Codes ccesccesseeeeeeeeeeeeeseeeeeeeeeeeeeeseaeeseaeeeeaees 3 23 3 3 Example of BASIC Program for Send and Receive c ccseceseeeeeeeeees 3 24 4 Ladder Communication siiccisiicniadinsntinissanasawachinendwalisnewsienninsbenaunubanbesunnnscsii 4 1 4 1 OV ORV W aeaaeae eaaa aaa aea a ea aaae rE aeaaee ae E ae aS ES 4 1 4 1 1 Configuration of Commands ceccceeeeeeeeeeeteeeseeeeeeaeeseaeetsteeeeeees 4 2 4 1 2 Configuration Of Response ecccceeeeeeeeeeeeeeteneeeeaeeseeeeteneeeteaeenenees 4 3 4 2 Communication With PLC ccccsecesseeeseeeenseeeeeeesesneeseseeeeeeeeeseesaseeeenseeeeeseeess 4 4 4 2 1 Reading Daldoeor ae n EA 4 5 4 2 2 Writing BEE e E T 4 6 4 2 3 Response Error Codes ccccccscceseeeeseeeeeeneeeeeeeeseaeeseeesesaeeseneeesaees 4 7 5 MODBUS Communication cccceeeeeseeeeeeeeeseeeeeeeeeeeseeeeeeee
31. basic operation of the UP750 controller UM350 UM330 User s Manual IM 05F01D02 01E to 03E Explains the basic operation of the UM350 UM330 indicator UM351 UM331 User s Manual IM 05F01D12 01E to 04E Explains the basic operation of the UM351 UM331 indicator GREEN Series User s Manual Detailed Instructions IM 05J01B02 01E Explains the functions of the GREEN Series controllers in detail GREEN Series Communication Function IM 05G01B02 01E Provides detailed information about the GREEN Series controller s communication proto col GREEN Series Communication Reference IM 05G01B02 02E Provides detailed information about the GREEN Series controller s internal registers that can be accessed by communication IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt Rev gt lt Introduction gt iii e LL100 PC based Parameters Setting Tool IM 05G01B12 01E Auser s manual for setting the parameters of the GREEN Series controllers from a per sonal computer e LL200 PC based Custom Computation Building Tool IM 05G01B22 01E Auser s manual for creating GREEN Series custom computations on a personal computer e LL200 PC based Custom Computation Building Tool User s Reference for UT750 IM 05G01B22 02E for UP750 IM 05G01B22 03E Auser s manual that describes the functions needed to create GREEN Series custom computations Refer to this manual if you are not familiar with the typ
32. c gt lt Ind gt lt 5 MODBUS Communication gt 5 6 16 Writes data to multiple D registers B registers Function This function code writes data to successive D registers B registers by the number starting from a specified D registers B register number e The maximum number of Dregisters B registers to be written to at the same time is 32 e For the format of response in the event of failure see subsection 5 2 4 e Broadcast addressing is possible by setting 00 to the address number Message for normal operation Start of Address Function Code D Register Start D Register Start Message Number 10 Number Number Mark ADR Upper Digit Lower Digit Number of bytes in RTU mode Number of bytes in ASCII mode Massage continued Number of Number of Byte Data Data Error End of Message D Registers D Registers Count Upper Digit Lower Digit Check Mark Upper Digit Lower Digit CR LF Element Start of Address Function Byte Contents of Contents of Message Number Code Count D Register D Register Mark ADR 03 Upper Digit Lower Digit Number of bytes in RTU mode Number of bytes in ASCII mode Response continued Contents of Contents of Error End of Message D Registers D Registers Check Marl Upper Digit Lower Digit CR LF Example Setting a proportional band of 200 an integral time of 10 and a derivative time of 3 to the GR
33. cation error Out of setting range Number of data error Parameter error No terminal character or ETX is received Detailed error code EC2 Indicates the parameter number where an error occurred HEX This is the number of a parameter in sequence that first resulted in an error when counted from the leading parameter Error in internal register Example specification STX 01010BRW 30 10003 1 10002 0 A0005 Parameter number 1 2 3 4 5 6 In this case EC1 03 and EC2 06 For EC1 error codes other than those noted above EC2 has no meaning IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 24 3 3 Example of BASIC Program for Send and Receive This section shows an example of a command sending and response receiving program created with Microsoft Quick BASIC 2 for PC AT 1 or compatible machines The communication conditions of the GREEN Series controllers and those of the PC e g communication rate must agree with each other Set the communication rate baud rate of the PC using the SWITCH command of MS DOS For how to use the SWITCH com mand refer to the User s Reference Manual of MS DOS Set the parity character bit length stop bit length and others in an OPEN statement 1 PC AT is the product of IBM Corporation 2 Microsoft Quick BASIC is a registered trademark of Microsoft Corporation 3 MS DOS is a registered tra
34. communication protocols and in addition coordinated operation and contact I O expansion protocols which are specific to GREEN Series Restrictions of coordinated operation UM350 UM330 UM351 UM331 cannot be involved in coordinated operation 3 Master Applicable to any UT and UP controller For UT750 and UP750 can be assigned to PSL2 4 Slave Applicable to UT750 UT550 UT520 UT551 UT450 UT 420 UT350 UT320 and UT351 UT321 For UT750 can be assigned to PSL2 9 Master 2 loop mode Applicable to UT750 UP750 and UP550 For UT750 and UP750 can be assigned to PSL2 10 Slave Loop 1 mode Applicable to UT750 UT550 UT520 UT551 UT450 UT420 UT350 UT320 and UT351 UT321 For UT750 can be assigned to PSL2 11 Slave Loop 2 mode Applicable to UT750 UT550 UT520 UT551 UT450 UT420 UT350 UT320 and UT351 UT321 For UT750 can be assigned to PSL2 Restrictions of contact I O expansion I O expansion can be assigned only to PSL2 of UT750 and UP750 2 Baud rate BPSn Set the same baud rate as that of the higher level device to be connected Otherwise proper communication cannot be achieved The unit of baud rate is bps bits per second 3 Address number ADRn Set the address number of the GREEN Series controller to one that is not being used by another controller An address number of 1 to 99 can be assigned in any order Note that the number of GREEN Series controllers that can be connected to a single communica
35. d flags of the GREEN Series with address number 05 to ON OFF OFF and ON The following command sets the four user defined flags 10721 10722 10723 and 10724 at address number 05 to ON OFF OFF and ON respectively Command STX 05010BRW0410721 1 10722 0 10723 0 10724 18D ETX CR Note The user defined flags relays are flags that the user can freely read write For user s read write accessible areas see GREEN Series Communication Reference IM 05G01B02 02E OK is returned in response to the command above Response STX 0501OK60 ETX CR IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 12 BRS Specifies relays to be monitored on a bit by bit basis Function Specifies the numbers of relays to be monitored on a bit by bit basis Note that this com mand simply specifies relays Actual monitoring is performed by the BRM command after the relay numbers are specified with this command When the volume of data is large and you wish to increase the communication rate it is effective to use a combination of the BRS and BRM commands rather than the BRD command If the power supply is turned off the specified relay numbers will be erased e The number of registers to be specified at a time is 1 to 32 e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes the chec
36. data when it is displayed in 5 digits For example if the data value is 1234 5 the 5th digit is 1 6 R W 0 Read 1 Write 7 0 Positive data 1 Negative data 8 Read write data For read operation the number of data items to be read 64 at maximum For write operation setting data with a 4 digit BCD value excluding the decimal point 9 CR LF These control codes mark the end of a command The character codes for CR and LF are CHR 13 and CHR 10 respectively IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 4 Ladder Communication gt 4 3 AN NOTE The UT750 UP750 UT550 UT520 UT551 and UP550 display data in 5 digits Data that is read written via communication also consists of 5 digits However if you do not need to use 5 digit data for communication set the data display digits of the controller to no more than 4 digits Data Forms of Commands The table below shows the data forms of D registers B registers Table 4 1 Data Forms PV high and low limits target setpoints and oth Measuring range EU data Numeric data not including the deci ers mal point Bias deviation alarms and others Measuring range span EUS data Numeric data not including the deci mal point Proportional bands upper and lower limits of data 0 0 to 100 0 0 to 1000 output and others Various modes alarm types and others Seconds absolute values and data Absol
37. dditional alarm 4 0 Standard type _ 3 Standard type with 24V DC loop power supply 0 UM350 UM330 UM351 UM331 m XN rr wn Size 96 x 96 mm Size 96 x 48 mm w XN Note 2 Version and revision numbers V01 ROO __ e Space blank Revision number Version number Note 3 Valid in Non user specifiable mode The value in this field is the first read register number which is 0001 for all models Note 4 Valid in Non user specifiable mode The value in this field is the number of registers read in Non user specifiable mode 0008 for UT350 UT320 UT351 UT321 and UP350 UP351 and 0025 for all other models Note 5 Valid in Non user specifiable mode The value in this field is the first write register number 0001 for UT350 UT320 UT351 UT321 and UP350 UP351 and 0201 for all other models Note 6 Valid in Non user specifiable mode The value in this field is the number of registers written in Non user specifiable mode which is 0000 for all models One of the convenient modes used when communicating with FA M3 with UT link module See section 3 2 IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 22 UMD Sets the UT UP mode control function Function Sets the control function of UT750 UT550 UT520 UT551 and UP750 UP550 e Changing the control function with this command initializes all the controll
38. demark of Microsoft Corporation IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 25 1000 1010 1020 1030 1040 1050 1060 1070 1080 1090 100 110 RF 120 130 140 150 160 170 180 190 200 1210 1220 1230 1240 1250 1260 1270 1280 1290 1300 1310 1320 1330 PRP PPP PP BE 1340 1350 1360 1370 1380 1390 1400 1410 1420 1430 1440 1450 1460 1470 1480 T Example of the Program Created Using Microsoft Quick BASIC Version 7 1 Main routine STXS CHRS 2 Define ETXS CHRS 3 Define CRS CHRS 13 Define RCVCHRS Initialize receive character string RCVEND 0 Initialize flag TIMEOUT 0 Initialize flag 1 SEND STX 01010WRDD0003 03 ETX Create character string for send 1 lt OPEN COM1 9600 N 8 1 ASC FOR RANDOM AS 1 Open a port ON COM 1 GOSUB receivechr Specify interruption processing during receiving ON TIME 5 GOSUB timeout Specify interruption processing at timeout 1 PRINT 1 SEND lt Send COM 1 ON Permit interruption during receive TIMER ON Start timer 1 DO Wait for receive end or timeout LOOP WHILE fRCVEND 0 AND fTIMEOUT 0 lt TIMER OFF Stop timer COM 1 OFF Prohibit interruption during receiving CLOSE 1 Close the port PRINT gt SENDS Display sent character string on screen PRINT lt RCVCHRS
39. e Message continued Write Data Write Data Error End of Message Upper Digit Lower Digit Check Mark CR LF Element Start of Address Function Code D Register D Register Message Number 06 Number Number Mark ADR Upper Digit Lower Digit Number of bytes in RTU mode Number of bytes in ASCII mode Response continued Write Data Write Data Error End of Message Upper Digit Lower Digit Check Mark CR LF Example Setting 70 00 to the target setpoint of the GREEN Series with address number 01 The following message writes 7000 to the target setpoint D0326 at address number 01 in the ASCII mode Message 010601451B5840 CR t Start of message mark 01 address number 01 06 function code 06 0145 D register address 0326 1B58 target setpoint 70 00 and 40 error check Numbers in quotation marks are hexadecimal The response of the same contents is returned with respect to the message above Response 010601451B5840 CR Target setpoint 70 00 IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 5 MODBUS Communication gt 5 8 08 Performs a loop back test Function This function code is used to check connection for communication e For the format of response in the event of failure see subsection 5 2 4 e The 00 shown below marked with an asterisk are fixed e Any value can be se
40. e D register 4 digit BCD value of the register number with D removed e B register 4 digit BCD value of the result obtained by adding 1700 to the register number with B removed PLCs that can communicate with GREEN Series controllers are those capable of using the ladder communication protocol PLCs that can be connected to a GREEN Series controller are listed below Table 4 2 List of PLCs that can be connected Supplier Product Requirement Remarks Yokogawa Electric FA500 With communication module RZ91 ON Corporation FA M3 With communication module F3RZ91 ON MELSEC A series and With computer link unit Mitsubishi Electric others Corporation or others PLCs that can communicate With computer link unit in handshaking mode Note For more information about the PLCs listed above contact the supplier For details see the instruction manual of the PCL to be connected Examples of ladder communication programs are shown in section 4 4 IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt 4 5 lt 4 Ladder Communication gt 4 2 1 Reading Data Shown below are the configurations of commands and responses when data in a GREEN Series controller is read by the PLC Commands Number of bytes Number of BCD digits 1 2 2 2 4 4 Number of data items to read n Parameter number Element Station number number 01
41. ead 1 to 32 words Word basis random write 1 to 32 words Specifies internal registers to be monitored on a word by word basis 1 to 32 words Word basis monitoring 3 Information Commands Command Description Reads model version and revision Number of controllers handled Sets control function UT UP mode Changes PV input sampling period Available only for UT750 UP750 UT550 UP550 UT551 and UT520 IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 7 3 2 2 Specifying Broadcast Broadcast addressing allows the corresponding multiple GREEN Series controller to receive the command 1 Inthe command specify the broadcast address in Table 3 3 and execute it 2 Broadcast addressing works independently of the communication address of the controller 3 Broadcast addressing is only applicable to write commands 4 No response is returned when broadcast addressing is used Broadcast data No ig from slaves Higher level device master Max 1200 m the maximum number of slaves 31 OCO Figure 3 2 Broadcasting Table 3 3 Address Numbers Address No Corresponding devices All UT750s All UP750s All UT550 UT520 UT551 UT450 UT420s All UP550s All UT350 UT320 UT351 UT321s All UM350 UM330 UM351 UM331s All UP350 UP351s
42. eeeeeeeeeseeees 5 1 5 1 RO 21 a A aa E E E no E Ton eS ee Ne PS 5 1 5 1 1 Configuration Of Messages ceccceeeeeeeeeeeeeeeeteneeeeaeeeeeeeeeeeeneaeetenees 5 2 5 2 Communication with Higher level Device s ccesesseseteeeeseeenseeeeeteeeeeees 5 3 5 2 1 List Of Function Codes cececeeeteeeeeeeeetee eect e tease eeaeeeeeeeeeeaeeseeeeeeeens 5 4 5 2 2 Specifying Broadcast ceceeeceeeeeeneeeeneeeeeeeeeaeeseaeeseeeeeeeessaeeseeees 5 4 5 2 3 FUNCTION CodeS irinna aed vagus ed steed EKos EUEN 5 5 5 2 4 Response Error Codes sisirain teieni aieiaa i saa 5 9 6 Coordinated Operation sssssseseeneeeeennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnmnnn 6 1 6 1 OVER VIC A a E E T cd chivacte dbstuee sstues cencenpsebens 6 1 6 2 Starting Coordinated Operation cccsccssecsseeeeeeeeeeeeeesseeseneeseseeneeseeneeenes 6 3 7 Contact O EXpansSion ivccisiscccsesescwen dacs cwesesnestncrctandndnancbaontveuebecceusndcrouevs 7 1 7 1 OVONVICW AE aa E seca decks ace dee tealas See eeenmedeatdaccecdetyanees castes eetuexiueeeresaauens 7 1 7 2 Setting Up Contact I O Expansion ccccsccsseeeseeeeeseeeeeeeseeeseseeesseeeenseeeeeeees 7 1 REVISION Information siissiiisericsnsentsnatecreweweweudesssndtansacesecesesnndnnnsndnesweweweuuscunedaaisenenens i IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt Communications Overview lt 1 Communications Overview gt 1 1 The GREEN Series contr
43. ers f D B numeric value e lrelays i I numeric value Higher level devices to be connected to a GREEN Series controller are those capable of handling the PC link communication protocol 1 Connectable graphic panels Graphic panels that can be connected to a GREEN Series controller are listed below However it may be possible to connect graphic panels other than the ones listed below Table 3 2 List of Graphic Panels Connectable Product Pro face by GP70 series Graphic control panel Digital Electronics Corporation GP J series High speed graphic control panel GP 230 series Medium size graphic control panel GP 430 series Advanced high speed graphic control panels GP 530 series Note For more information about Digital s graphic panels contact Digital Electronics Corporation Be careful because the display device differs depending on the model 2 Communication with FA M3 with UT link module No ladder communication program is required to communicate with FA M3 with UT link module Yokogawa PLC The UT link module s function offers 3 modes in which users can exchange data without paying attention to the communication procedure For more infor mation see the user s manual of UT Link module IM 34M6H25 01E Non user specifiable mode Always reads the predetermined devices of the GREEN Series controllers users cannot specify devices e Predetermined device
44. ers param eters to default values factory settings except for communication parameters e After receiving this command the controller is not able to receive the next command for about 10 seconds So during this period do not send any command from the higher level device e For the format of response in the event of failure see subsection 3 1 2 Command Response for normal operation Number of 2 1 Bytes Command STX Address CPU Response element number time 01 0 No response is returned for this command USM Changes the PV input sampling period Function Changes the PV input sampling period of UT750 UT550 UT520 UT551 and UP750 UP550 e Changing the sampling period with this command initializes all the controllers param eters to their default values factory settings except for communication parameters e After receiving this command the controller is not able to receive the next command for about 10 seconds So during this period do not send any command from the higher level device e For the format of response in the event of failure see subsection 3 1 2 Command Response for normal operation Number of Bytes 2 1 Command STX Address CPU Response element number number time ADR ol 0 No response is returned for this command Note Values to set and corresponding periods Value to set PV input sampling period IM 05G01B02 01E 6th Edition 200
45. es Response Address CPU OK Checksum ETX CR element number number ADR 01 Example Monitoring the measured input value of the GREEN Series with address number 01 The following command monitors the measured input value D0003 at address number 01 This command simply specifies the registers Command STX 01010WRS01D000356 ETX CR CPU number 01 t p register number D0003 OK is returned in response to the command above Response STX 01010K50 ETX CR IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 19 WRM Monitors the D register and I relays on a word by word basis Function Reads the information of the registers that have been specified in advance by the WRS command e Before executing this command the WRS command must always be executed to specify which registers are to be monitored If no register has been specified error code 06 is returned This error also occurs if the power supply is turned off e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes the checksum function When performing communication without the checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of 2 Bytes Command Address element number ADR Number of Bytes 2 2 Response Address CPU element nu
46. es of functions avail able or how these functions work e Ethernet Communication Functions IM 05G01B52 01E Provides information about Ethernet communication IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt Rev gt lt Introduction gt iv Documentation Conventions E Symbols A WARNING Indicates that operating the hardware or software in this manner may damage it or lead to system failure AN NOTE Draws attention to information that is essential for understanding the operation and or features of the product TIP Gives additional information to complement the present topic See Also Gives reference locations for further information on the topic E Description of Displays 1 Some of the representations of product displays shown in this manual may be exagger ated simplified or partially omitted for reasons of convenience when explaining them 2 Figures and illustrations representing the controllers displays may differ from the real displays in regard to the position and or indicated characters upper case or lower case for example to the extent that they do not impair a correct understanding of the functions and the proper operation and monitoring of the system IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt Rev gt lt Introduction gt v Notices E Regarding This User s Manual 1 This manual should be passed on to the end user Keep at least one e
47. et up the communication functions of the GREEN Series as follows Connect a higher level device and a GREEN Series controller See section 2 2 Set up the communication parameters of the GREEN Series controller See section 2 3 Create communication programs for the higher level device to perform communication Create communication programs referring to the documentation of each higher level device In this manual higher level devices generically denotes PCs PLCs sequencers and graphic panels IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 2 Setup gt 2 2 2 2 Wiring for Communication Connect the GREEN Series controller and the higher level device for communication The wiring procedures and precautionary notes are as follows AN NOTE To avoid an electric shock be sure to turn off the power supply source to the equipment involved before you start wiring Use crimp terminals at cable ends Before you start wiring read the user s manual of each device 2 2 1 Wiring to a Personal Computer 4 wire connection Z 101HE PSI ope RDB PC RDA Terminating resistor Terminating resistor 22001 4W oF RD SDB 22001 4W SDA O SHIELD E RS 232C d straight cable Communication cable Communication cable JIS Class D 3 grounding grounding resistance of 1009 or less JIS Class D 3 grounding JIS Clas
48. f the UT350 UT320 controller e UT351 UT321 User s Manual IM 05D01D12 01E to 04E Explains the basic operation of the UT351 UT321 controller e UT450 UT420 User s Manual IM 05D01C12 01E to 04E Explains the basic operation of the UT450 UT420 controller e UT550 UT520 User s Manual for Single loop Control IM 05D01C02 01E to 05E Explains the basic operation of the UT550 UT520 controller e UT551 with Embedded Ethernet User s Manual for Single loop Control IM 05D01C03 01E to 06E Explains the basic operation of the UT551 controller Media No IM 05G01B02 01E 6th Edition May 2006 YK IM 05G01B02 01E 6th Edition 2006 05 31 00 All Rights Reserved Copyright 2000 Yokogawa Electric Corporation lt Toc gt lt Ind gt lt Rev gt lt Introduction gt lI UT551 User s Manual for Single loop Control IM 05D01C04 01E to 06E Explains the basic operation of the UT551 controller UT750 User s Manual for Single loop Control IM 05D01B02 01E to 05E Explains the basic operation of the UT750 controller UP350 User s Manual IM 05E01D02 01E to 04E Explains the basic operation of the UP350 controller UP351 User s Manual IM 05E01D12 01E to 05E Explains the basic operation of the UP351 controller UP550 User s Manual for Single loop Control IM 05E01C02 01E to 07E Explains the basic operation of the UP550 controller UP750 User s Manual for Single loop Control IM 05E01B02 01E to 07E Explains the
49. gawa Electric does not make any warranties regarding the product except those mentioned in the WARRANTY that is provided separately 2 Yokogawa Electric assumes no liability to any party for any loss or damage direct or indirect caused by the use or any unpredictable defect of the product 3 Be sure to use the spare parts approved by Yokogawa Electric when replacing parts or consumables 4 Modification of the product is strictly prohibited 5 Use this software with one specified computer only You must purchase another copy of the software for use on each additional computer 6 Copying this software for purposes other than backup is strictly prohibited 7 Store the floppy disk s original medium or media containing this software in a secure place 8 Reverse engineering such as the disassembly or decompilation of software is strictly prohibited 9 No portion of the software supplied by Yokogawa Electric may be transferred ex changed leased or sublet for use by any third party without the prior permission of Yokogawa Electric IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt Rev gt lt Introduction gt vi E Trademarks Windows98 2000 XP and Windows NT 4 0 are registered trademarks of Microsoft Corpora tion USA Ethernet is registered trademark of XEROX Corporation IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Int gt lt Ind gt lt Rev gt GREEN Series Communicati
50. here is any inconsistency other than communication errors in a message the GREEN Series controller does nothing but return the following message ADR Number of bytes in RTU mode Number of bytes in ASCII mode In this space a value of function code hexadecimal number 80 hexadecimal number is set Response Error Codes Table 5 4 List of Error Codes Error Code Meaning Function code error No such function code exists Register address error Specified address is out of the range Register count error Specified number of D B registers is out of the range Even when a message is sent no response is returned if e Transmission error overrun framing parity LRC or CRC 16 error was detected e Address in a command message is incorrect e Time interval between the data composing a message was 1 second or more e Broadcast is specified address number 00 As a measure against these situations provide a timeout processing in the communication functions or communication programs of the higher level device IM 05G01B02 01E 6th Edition 2006 05 31 00 Blank Page lt Toc gt lt Ind gt lt 6 Coordinated Operation gt 6 1 6 Coordinated Operation 6 1 Overview A system of coordinated operation is configured with a master controller and a number of slave controllers all of which are GREEN Series controllers The slave controllers are set to operate in the same way as the m
51. ices Houten The Netherlands Wien Austria Zaventem Belgium Ratingen Germany Madrid Spain Bratislava Slovakia Runcorn United Kingdom Milano Italy Velizy villacoublay France Johannesburg Republic of South Africa YOKOGAWA AMERICA DO SUL S A Headquarters amp Plant Praca Acapulco 31 Santo Amaro Sao Paulo SP BRAZIL CEP 04675 190 Phone 55 11 5681 2400 Facsimile 55 11 5681 4434 YOKOGAWA ENGINEERING ASIA PTE LTD Head office 5 Bedok South Road Singapore 469270 SINGAPORE Phone 65 6241 9933 Facsimile 65 6241 2606 YOKOGAWA ELECTRIC KOREA CO LTD Seoul Sales office 395 70 Shindaebang dong Dongjak gu Seoul 156 010 KOREA Phone 82 2 3284 3000 Facsimile 82 2 3284 3019 YOKOGAWA TAIWAN CORPORATION Head office 17F No 39 Sec 1 Chung Hwa Road Taipei 100 TAIWAN Phone 886 2 2314 9166 Facsimile 886 2 2314 9918 YOKOGAWA AUSTRALIA PTY LTD Head office Centrecourt D1 25 27 Paul Street North North Ryde N S W 2113 AUSTRALIA Phone 61 2 9805 0699 Facsimile 61 2 9888 1844 YOKOGAWA INDIA LTD Head office 40 4 Lavelle Road Bangalore 560 001 INDIA Phone 91 80 227 1513 Facsimile 91 80 227 4270 LTD YOKOGAWA ELECTRIC Grokholskiy per 13 Build 2 4th Floor 129010 Moscow RUSSIA FEDERATION Phone 7 095 737 7868 Facsimile 7 095 737 7869
52. inhssieip 3 1 3 1 OV OTL WW ccc E cad Seca E E sea a A daig eec ty eaten 3 1 3 1 1 Configuration of COMMAMNAS cccceeeceeeeeeeteneeeeaeeeeaeeteeeeseeeetenees 3 2 3 1 2 Configuration Of RESPONSE ceeeceeeceeeeeeeeeeeeeneeeeeeeeeeeetaeessaeeseaees 3 4 3 2 Communication with Higher level Device s ccssesseeeseeeeseeeneeeeeseeeeeeees 3 5 3 2 1 LISt Of COMIMANGS i caseziees sre deste cece es eneevenes eaaa 3 6 3 2 2 Specifying Broadcast cecceeeceeeeeeeeeneeceneeeeseeeseaeeseaeeeesaeeesaeeteeees 3 7 3 2 3 COMIMAMNAS CEPON 3 8 BRD Reads relays on a bit by bit basis 0 0 ee eeeeeeeeeeeneeeeeeeeeaes 3 8 BWR Writes data into relays on a bit by bit basis ee 3 9 BRR Reads relays on a bit by bit basis in a random ordetv 3 10 BRW Writes data into relays on a bit by bit basis in a random order 3 11 BRS Specifies relays to be monitored on a bit by bit basis 3 12 BRM Monitors relays on a bit by bit basis ee eeeeeeeeeeneeeeeeeenees 3 13 WRD Reads D registers and relays on a word by word basis 3 14 WWR Writes data into D registers and relays on a word by word basis 3 15 WRR Reads D registers and relays on a word by word basis in random OF OSM sed veo decors i aeu aasa aE Era EEE E ied 3 16 IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Int gt lt Ind gt lt Rev gt Toc ii WRW Writes data into D registers and rel
53. ksum function When performing communication without the checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of 5 2 2 5 1 5 1 Bytes Command Address CPU Number Irelay Comma Irelay Comma element number number of bits number or space number or space ADR 01 n 1 2 I relay number Number of Bytes Response STX Address OK Checksum ETX CR element Example Monitoring the stop status of the GREEN Series with address number 05 The following command monitors the stop status 10067 at address number 05 This command is used simply for specifying registers Command STX 05010BRS011006754 ETX CR OK is returned in response to the command above Response STX 05010K60 ETX CR IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 13 BRM Monitors relays on a bit by bit basis Function Reads the ON OFF statuses of the relays that have been specified in advance by the BRS command e Before executing this command the BRS command must always be executed to specify which relays are to be monitored If no relay has been specified error code 06 is returned This error also occurs if the power supply is turned off e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes the checksum
54. lave controllers to remote mode Slave controllers do not operate in coordination when they are in local mode Each slave controller operates independently in local mode 2 For UT350 UT320 UT351 UT321 Set the operating parameter SP No of the slave controller to O Otherwise coordi nated operation will be disabled with that slave controller Switchover of operation mode RUN STOP Switching over the master controllers operation mode also switches the operation mode of the slave controllers accordingly When a UT controller is the master the operation mode RUN STOP of slave UT control lers will be the same as the master s When a UP controller is the master the operation mode RUN STOP of slave UT control lers will be as shown below Operation mode of master UP controller Operation mode of slave UT controllers RESET scr Reset operation Operation stops e e aa PROGRAM gt RUN Operates according to the UP controller s program pattern n Operation according to a program pattern LOCAL Fixed point control Operates by the fixed point UP750 UP550 only control of the UP controller AN NOTE If the operation mode of the slave UT controller is under the control of an external contact input the operation mode cannot be switched by coordinated operation because the control by the external contact input takes priority In coordinated operation slave contr
55. lected for send data Message for normal operation Start of Address Function Code x00 x00 Message Number 08 Upper Digit Lower Digit Mark ADR Number of bytes in RTU mode Number of bytes in ASCII mode Message continued Send Data Send Data Error End of Message Upper Digit Lower Digit Check Mark CR LF Element Start of Address Function Code 00 00 Message Number 08 Upper Digit Lower Digit Mark ADR Number of bytes in RTU mode Number of bytes in ASCII mode Response continued Send Data Send Data Error End of Message Upper Digit Lower Digit Check Mark CR LF Example Sending data 1234h to the GREEN Series controller with address number 05 to check the connection for communication The following message sends 1234 hexadecimal to address number 05 in the ASCII mode Message 050800001 234AD CR Start of message mark 05 address number 05 08 function code 08 0000 fixed 1234 send data and AD error check Numbers in quotation marks are hexadecimal When the connection is normal the following response is returned with respect to the message above Response 050800001234AD CR 1234 send data IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 5 MODBUS Communication gt 5 9 5 2 4 Response Error Codes Message Format in the Event of an Error If t
56. mber number ADR 01 The response is returned in a 4 digit character string 0000 to FFFF in a hexadecimal pattern ddddn read data of the number of words specified by the WRS command ddddn character string in a hexadecimal pattern n 1 to 32 Example Monitoring the measured input value of a GREEN Series controller with address number 01 The following command monitors the measured input value D0003 at address number 01 This command reads the status of the register specified by the WRS command Command STX 01010WRME8 ETX CR e CPU number 01 The measured input value 200 00C8 HEX is returned in response to the command above Response STX 01010K00C837 ETX CR to Measured input value 200 IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 20 INF Reads the model version and revision information Function Reads the model code version number and revision number of the GREEN Series control ler e For the format of response in the event of failure see subsection 3 1 2 Command Response for normal operation Number of Bytes 2 2 Command Address CPU Response element number number time ADR 01 Number of Bytes Response Address CPU Model code Version and 0001 Note 4 element number number uvo000 00 revision numbers Note 3 ADR 01 Note 1 Note 2 2 2 8 4 4
57. mbers To change into a reference number add 1700 to the B register number and replace the B register number s leading character B with 4 When using a DDE server or others specify these reference numbers 2 In a user created communication program specify a B register using the hexadecimal number of the value obtained by subtracting 40001 from the B register s reference number Specify this hexadecimal number Example To specify PID No B0115 e For a message using commercially available SCADA or the like specify reference number 41815 e Fora message in a user created communication program specify 0716 the hexa decimal number of 1814 which is obtained by subtracting 40001 from the reference number IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 5 MODBUS Communication gt 5 4 5 2 1 List of Function Codes Function codes are command words used by the higher level device to obtain the D regis ters B register information of GREEN Series controllers Table 5 2 Function Codes Function Description Reads data from multiple registers Capable of reading data from a maximum of 64 successive registers Writes data into a register Capable of writing data to one register Performs loop back test See subsection 5 2 3 Writes data into multiple D B registers Capable of writing data into a maximum of 32 successive registers e The write functi
58. mmunication cable JIS Class D 3 grounding JIS Class D 3 grounding grounding resistance grounding resistance of 1009 or less of 10092 or less IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 2 Setup gt 2 4 2 2 3 Wiring for Coordinated Operation Coordinated operation can be configured by connecting a GREEN Series controller as both a master and slave There are some restrictions regarding the controller model whether the model can be a master or slave when setting the protocol selection parameter for coordinated operation See section 2 3 Standard RS 485 interface connection Master controller Slave controller 1 Slave controller 2 Terminating resistor 22001 4W RDB E 83 Terminating resistor D RDA OG 22001 4W D so Communication cable Communication cable JIS Class D 3 grounding JIS Class D 3 grounding grounding resistance grounding resistance of 100Q or less of 100Q or less High speed RS 485 interface connection UT750 UP750 only Master controller Slave controller 1 Slave controller 2 Terminating a et resistor 22001 4W 22001 4W Communication cable Communication cable JIS Class D 3 grounding JIS Class D 3 grounding grounding resistance grounding resistance of 1002 or less of 100Q or less IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 2 Setup gt 2 5 2
59. n random order Function Writes register information specified for each register into the registers specified in a random order by the specified number of words e The number of words to be written at a time is 1 to 32 e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes the checksum function When performing communication without the checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of Bytes 5 1 1 Command CPU Register Comma Comma element number number of words number or space or space ADR 01 n 5 1 ai 5 1 Register Comma ae Register Comma number or space number or space 2 n Write information is specified in a 4 digit character string 0000 to FFFF in a hexadecimal pattern ddddn repetition of register numbers and write information of the specified number of words ddddn character string in a hexadecimal pattern n 1 to 32 Number of 2 Bytes 2 Response Address CPU OK Checksum ETX CR element number number ADR 01 Example Writing 20 0 into the target setpoint and 15 0 into the alarm 1 setpoint of the GREEN Series with address number 10 The following command writes 20 0 into the target setpoint D0301 and 15 0 into the alarm 1 setpoint D0915 at address number 10 Command iC J STX 1001
60. nd RTU Modes Item ASCII mode RTU mode Number of data bits 7 bits ASCII 8 bits binary Message start mark colon Unnecessary Message end mark CR LF Unnecessary Message length Note 1 2N 1 N Data time intervals 1 second or less 24 bit time or less Note 2 Error detection Longitudinal redundancy check LRC Cyclic redundancy check CRC 16 Note 1 When the message length in the RTU mode is assumed to be N Note 2 When the communication rate is 9600 bps 1 9600 x 24 sec or less In MODBUS communication a higher level device identifies each GREEN Series controller with a communication address which ranges from 1 to 99 However broadcasting which requires no address number is possible with some of the commands For more informa tion see subsection 5 2 2 The next section will discuss the configuration of messages 5 2 Saving Reading Data on from Disk and Comparing Data Values IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 5 MODBUS Communication gt 5 2 5 1 1 Configuration of Messages Messages sent from a higher level device to a GREEN Series controller consist of the following elements Element Start of Address End of Message Number Message Mark ADR Mark Number of bytes in RTU mode Number of bytes in ASCII mode 1 Start of Message Mark This mark indicates the start of a message Note that only ASCII mode requires a colon 2 Address
61. oller s target setpoint ramp rate setting is disabled IM 05G01B02 01E 6th Edition 2006 05 31 00 Blank Page lt Toc gt lt Ind gt lt 7 Contact I O Expansion gt 7 1 T 7 1 7 2 Contact I O Expansion Overview To UT750 and UP750 you can connect up to 2 units of digital I O expansion modules of Yokogawa uFA20 via u Bus Connecting I O expansion modules UT750 and UP750 allows for a maximum of 32 points of additional contact inputs outputs 8 points of contact inputs and 8 points of contact outputs per module Setting Up Contact I O Expansion After wiring has been completed set the station number ST No on the uFA20 expansion module Setting the station number ST No on the FA20 expansion module For details see the hardware manual of uFA20 small programmable logic controller IM 34M5F01 01E Set the station number with the rotary switch on the module When connecting one module set to 1 When connecting two modules set the first module to 1 and the second module to Pee Table 7 1 Station Number and I O relays Input relays available Output relays available TT N a ZAR A NOTE The correspondence between the relay numbers of the I O relays and the added 8 points is shown in Table 7 1 Set the output reset hold switch of the expansion module to OFF the setting at factory shipment IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt 7 2 lt
62. ollers have an RS 485 serial communication interface through which data exchange is performed with a device such as a personal com puter PLC sequencer and graphic panel The following five communication protocols are supported Table 1 1 Communication Protocols Communication protocol PC link communication Protocol specification Without sum check Applicable models of GREEN Series All models With sum check Ladder communication Handshaking MODBUS communication RTU mode ASCII mode Coordinated operation Specific to GREEN Series All models except for UM350 UM330 UM351 UM331 Contact I O expansion u Bus specific to WFA20 Table 1 2 Connectable Devices Communication protocol PC link communication Connectable device Personal computer UT750 UP750 Requirements RS 232C RS 485 converter Graphic panel PLC sequencer With serial communication module Ladder communication PLC sequencer With ladder communication module MODBUS communication Personal computer Graphic panel PLC sequencer With DDE server or other Coordinated operation GREEN Series controllers excluding UM350 UM330 UM351 UM331 Master only UP750 UP550 UP350 UP35 1 Master slave UT750 UT550 UT520 UTS55 1 UT450 UT420 UT350 UT320 UT351 UT321 Contact I O expansion uFA20 expansion modules uFA20 related products UT750 UP750 IM 05G01B
63. on Functions Toc i IM 05G01B02 01E 6th Edition CONTENTS DATO COMB Pa E i Documentation Conventions cca asicn neem dementia nelln rami iv NOt CES siscinncsaiednecnitienssesudenisniiisiacnu and duuivnudsiavenstevatenataanissnaiabimadeiatiauivanivancenceneuauuwel v 1 Communications Overview cccccssseeeeeeeeeeesseeeeeeeeeeeeeeeeneeeeeeeseeeenees 1 1 1 1 Interface Specifications cccsccceseeesseeeeeeeeeeeeeeseeeeeseeeenseeeeeseeeseeseseenenseeeees 1 2 2 STEE o sco ssid wesinceaceiiecanaentaesanseewonencuasaiassaceceubbeve auaientdetennpensprddaaauasuats enc Couis 2 1 2 1 Setup PROCCCUN are cases eos ea eee ra aaae a aaaea E Aeaaeai 2 1 2 2 Wiring for Communication sssasssnsennnennnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn annn nnnn nenna 2 2 2 2 1 Wiring to a Personal Computer c ccecceceeeeeeeeeseeeeeeeeeeeeeeseeeteaees 2 2 2 2 2 Wiring to a PLC Sequencer or Graphic Panel s 2 3 2 2 3 Wiring for Coordinated Operation eseeeeeeeesieereeereereerereresrrerresn 2 4 2 2 4 Wiring for Contact I O Expansion cccceceeeeseeeeeeeeeseeeeseeeeeeeenaees 2 5 2 3 Notes on Setting Communication Parameters ssssssssssuneunnennennennnennnnnnnnnnna 2 6 2 3 1 Procedure to Set Communication Parameters sa se 2 6 2 3 2 Description of Communication Parameters eseeeeeseeeeeeeeeeeereee 2 7 3 PC Link Communication sapien seiencannuniniannnied penmoccnunnannnsiienenmesinicenicsinalun
64. on codes will not write into read only or disabled D registers B regis ters e Broadcast addressing is possible with function codes 06 and 16 only Also in this case read only or disabled D B registers will not be written 5 2 2 Specifying Broadcast Broadcast addressing allows the corresponding multiple GREEN SERIES controllers to receive the command 1 Inthe command specify the broadcast address 00 and execute it 2 Broadcast addressing works independently of the communication address of the controller 3 Broadcast addressing is applicable to write commands only 4 No response is returned when broadcast addressing is used Broadcast data No a from slaves Higher level device master Max 1200 m the maximum number of slaves 31 fed oe e j n j n Figure 5 2 Broadcasting IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 5 MODBUS Communication gt 5 5 5 2 3 Function Codes 03 Reads data from multiple D registers B registers Function This function code reads the contents of successive D registers B registers by the specified number starting at a specified D registers B register number e The maximum number of D registers B registers to be read at a time is 64 e For the format of responses in the event of failure see subsection 5 2 4 Message for normal operation Start of Address F
65. ror ON OFF of the overshoot suppressing function SUPER Note that if the SUPER function is disabled by the program pattern transmission from the sending controller the SUPER function of the receiving controller is automatically turned OFF Operation mode RUN STOP switching IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 6 Coordinated Operation gt PID number switching Switching over to the zone PID mode In coordinated operation the slave controller s PID number depends on the setting of the master and slave controllers ZON parameters The table below shows the slave controllers PID number selecting action Table 6 1 Selecting Action ZON PID selects by target setpoint Master ZON 3 PID number selection UT551 only Operats by PV Operates by the same PID number as the master s controller Operats by PV Operates by the same PID number as the master s controller Operates by target setpoint Slave controller s Slave Slave Slave Slave PID number ZON 0 ZON 1 ZON 2 ZON 3 selecting SP selection Zone PID Zone PID PID number Master action selects by PV selects by selection controller s target setpoint setting UT551 only UT551 only Master Operates by the Operates by the Operates by the Operates by the ZON 0 same PID number same PID number same PID number PID number SPselection as the master s
66. s of UT750 UP750 UT550 UP550 UT520 UT551 and UT450 UT420 D0001 to D0025 e Predetermined devices of UT350 UP350 UT320 UT351 UP351 UT321 UM350 UM330 and UM351 UM331 D0001 to D0008 Since these devices are in the read only area of GREEN Series controllers they cannot be written to User specifiable mode Always reads writes the user specified devices of the GREEN Series controller Command mode Accesses the devices of the GREEN Series only when necessary Predetermined device or device here denotes the internal registers of the GREEN Series D registers and relays IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 6 3 2 1 List of Commands The following are the lists of commands available in PC link communication The details of them are explained in the description of each command 1 Bit basis Access Commands Dedicated to Relays Command Description Bit basis read Number of bits handled 1 to 256 bits Bit basis write 1 to 256 bits Bit basis random read 1 to 32 bits Bit basis random write 1 to 32 bits Specifies I relays to be monitored on a bit by bit basis 1 to 32 bits Bit basis monitoring 2 Word basis Access Commands Command Description Word basis read Number of words handled 1 to 64 words Word basis write 1 to 64 words Word basis random r
67. s D3 T grounding grounding resistance grounding resistance of 10029 or less of 1009 or less 2 wire connection ML2 UT UP UT UP PC Terminating resistor Terminating resistor 22001 4W 220021 4W L RS 232C straight cable JIS Class D 3 grounding JIS Class D 3 grounding JIS Class D 3 grounding grounding resistance grounding resistance grounding resistance of 100Q or less of 100Q or less of 1002 or less Note Z 101HE and ML2 are the converters of Sharp Corporation and Yokogawa Electric Corporation respectively You can also use other RS 232C RS 485 converters Before you use another converter check its electrical specifications For the wiring via the high speed RS 485 interface of UT750 UP750 see subsection 2 2 2 IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 2 Setup gt 2 3 2 2 2 Wiring toa PLC Sequencer or Graphic Panel Since general PLCs Sequencers and graphic panels have an RS 485 interface they can be directly connected to a GREEN Series controller If your PLC Sequencer or graphic panel has an RS 232C interface see subsection 2 2 1 4 wire connection PLC or graphic panel UT UP UT UP Terminating resistor 22001 awe Terminating resistor 22091 4W Communication cable
68. s of GREEN Series CX See Also GREEN Series Communication Reference IM 05G01B02 02E for information about D registers and B registers In ladder communication a PLC identifies each instrument by its station number which ranges from 1 to 99 _ p PLC sequencer MAX 1200 m the maximum number of slave units 31 S SESE Figure 4 1 Connecting with Ladder Communication IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 4 Ladder Communication gt 4 2 4 1 1 Configuration of Commands Commands sent from a PLC consist of the following elements Number of Bytes 2 Number of BCD digits 2 4 Station number Parameter Element number 1 2 3 4 6 6 7 8 L_ 9 1 Station Number 01 to 99 The station number is used by the PLC to identify which instrument to communicate with ID number of GREEN Series controller 2 CPU Number This number is fixed to 01 3 Parameter number For D registers 4 digit BCD data of a D register number with its leading character D removed For B registers 4 digit BCD data of a B register number to which 1700 is added and with its leading character B removed 4 0 This is fixed to 0 5 The 5th digit The digit on the furthest left of the EU or EUS
69. statuses of alarm 1 10097 and alarm 4 10101 at address number 05 Command STX 05010BRRO210097 101018E ETX CR In response to the command above the ON and OFF responses are returned for alarms 1 and 4 respectively Response STX 05010K10C1 ETX CR Alarm 1 is ON and alarm 4 is OFF IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 11 BRW Writes data into I relays on a bit by bit basis in a random order Function Writes ON OFF statuses in the individual relays specified in a random order by the speci fied number of bits e The number of bits to be written at a time is 1 to 32 e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes the checksum function When performing communication without the checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of Bytes 1 5 Command Irelay Comma Comma I relay element number or space or space number 2 Comma hs I relay Comma or space number or space n Write information is 0 to set OFF or 1 to set ON dn write data of the specified number of bits n 1 to 32 dn 0 OFF dn 1 ON Number of Bytes Response STX Address CPU OK Checksum ETX CR element number number ADR 01 Example Setting four user define
70. tion port is limited to 31 Example of connecting four GREEN Series controllers to a higher level device with ad dress numbers of 1 50 10 and 20 Max 1200 m the maximum number of slave units 31 omm ADR 1 ADR 50 ADR 10 ADR 20 IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 2 Setup gt 2 9 4 Parity PRiIn Set the handling of parity to be carried out when data is sent or received Set the same parity state as that of the higher level device to be connected 5 Stop bit STPn Set the same stop bit as that of the higher level device to be connected 6 Data length DLNn Set the same data length as that of the higher level device to be connected When ladder communication or MODBUS communication is selected the data length is fixed 7 Minimum response time RP Tn Set the time taken to respond to the higher level device after the GREEN Series controller receives transmission data from it The unit is 10 ms The response time will be communi cation processing time the set value of RP T X 10 milliseconds IM 05G01B02 01E 6th Edition 2006 05 31 00 Blank Page lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 1 3 PC Link Communication 3 1 Overview PC link communication protocol is one of the protocols used to communicate with devices such as PCs PLCs sequencers and gr
71. um element in the command Command Response for normal operation Number of 2 2 Bytes 2 2 Command Address CPU Comma Number Checksum element number number or space of words ADR 01 n Number of Bytes 2 _ 2 Response Address bee Checksum element number number ADR 01 The response is returned in a 4 digit character string 0000 to FFFF in a hexadecimal pattern ddddn read data of the specified number of words ddddn character string in a hexadecimal pattern n 1 to 64 Example Reading a measured input value of the GREEN Series with address number 03 The following command reads the measured input value D0003 at address number 03 Command STX 03010WRDDOOOS 0175 ETX CR The measured input value 200 00C8 HEX is returned in response to the command above Response STX 0301OK00C839 ETX CR IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 15 WWR Writes data into D registers and I relays on a word by word basis Function Writes information into a sequence of contiguous registers on a word by word basis by the specified number of words starting at the specified register number e The number of words to be written at a time is 1 to 64 e For the format of response in the event of failure see subsection 3 1 2 e The command shown below includes the checksum function When performing comm
72. unction Code Register Start Register Start Message Number ADR 03 Number Number Mark Upper Digit Lower Digit Number of bytes in RTU mode Number of bytes in ASCII mode Message continued Number of Number of Error End of Message Registers Registers Check Mark Upper Digit Lower Digit CR LF Element Start of Address Function Byte Contents of Contents of Message Number Code Count Register Register Mark ADR 03 Upper Digit Lower Digit Number of bytes in RTU mode Number of bytes in ASCII mode Response continued Contents of Contents of Error End of Message Registers Registers Check Marl Upper Digit Lower Digit CR LF Example Reading the alarm types of alarms 1 to 4 from the GREEN Series controller with address number 17 The following message reads four successive D registers B registers starting with alarm 1 D0915 at address number 17 in the ASCII mode Message 11030392000453 CR Start of message mark 11 address number 17 03 function code 03 0392 D register address 0915 0004 number of D registers 4 and 53 error check Numbers in quotation marks are hexadecimal The following response is returned with respect to the message above Response 1103080000000100010000E2 CR Types of alarm1 alarm2 eats alarm4 08 byte count IM 05G01B02 01E 6th Edition 2006 05 31 00 lt To
73. unication without the checksum do not include the 2 byte checksum element in the command Command Response for normal operation Number of Bytes 2 1 2 1 Command Address CPU Comma Number Comma element number number or space of words or space ADR 01 n Command continued 2 Checksum Write information is specified in a 4 digit character string 0000 to FFFF in a hexadecimal pattern ddddn write data of the specified number of words ddddn character string in a hexadecimal pattern n 1 to 64 Number of Bytes a Response Address CPU OK Checksum ETX CR element number number ADR 01 Example Writing 200 into the target setpoint of the GREEN Series controller with address number 03 The following command writes data 200 O0C8 HEX into the target setpoint D0301 at address number 03 Command STX 03010WWRD0O301 01 OOC890 ETX CR OK is returned in response to the command above Response STX 0301 OK5E ETX CR IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 16 WRR Reads D registers and I relays on a word by word basis in random order Function Reads the statuses of the individual registers on a word by word basis specified in a random order by the specified number of words e The number of words to be read at a time is 1 to 32 e For the format
74. ure will result if any of them are omitted or if the order is incorrect Data Forms of Commands The table below shows the data forms of D B registers and relays Table 3 1 Data Forms Data type Data content Data form PV high and low limits target setpoints Measuring range EU data Numeric data excluding the decimal and others point Bias deviation alarms and others Measuring range span EUS data Numeric data excluding the decimal point Proportional bands upper and lower data 0 0 to 100 0 0 to 1000 limits of output and others Various modes alarm types and others Seconds absolute values and data Absolute value excluding the decimal point without unit Parameter list of GREEN series User s Manual Reference for information about data form Command Format for Communication Example When setting a target setpoint 50 0 to a GREEN Series controller the higher level device sends the value 500 as command data without the decimal point this is true for both settings 5 00 or 500 Data to be sent from the higher level device 500 Command data 500 Response data from GREEN Series 500 GREEN Series side Target setpoint 50 0 The position of the decimal point for 500 is determined by the DP decimal point position parameter of the GREEN Series IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 3 PC Link Communication gt 3 4
75. ute value not including the dec without unit imal point Parameter list of GREEN series User s Manual Reference for information about data form Command Format for Communication Example When setting the target setpoint 50 0 to a GREEN Series controller the PLC sends the value 500 as command data without the decimal point this is also true for both settings 5 00 or 50 0 Data to be sent from the PLC 500 Response data from a GREEN Series controller 500 Command data 500 GREEN Series controller side Target setpoint 50 0 The position of the decimal point for 500 is determined by the DP decimal point position parameter of the GREEN Series controller 4 1 2 Configuration of Response Response from a GREEN Series controller with respect to a command sent from the PLC consists of the elements shown below Number of 1 1 Bytes Number of BCD digits 2 7 j 2 2 Station number CPU Parameter Read write data number number 01 Element When responding to a data read command the length of this part varies 64 data items at maximum IM 05G01B02 01E 6th Edition 2006 05 31 00 lt Toc gt lt Ind gt lt 4 Ladder Communication gt 4 4 4 2 Communication with PLC With ladder communication you cannot specify D registers B registers internal registers of GREEN Series by using their numbers as is Set register numbers as shown below
76. xtra copy of the manual in a safe place 2 Read this manual carefully to gain a thorough understanding of how to operate this product before you start using it 3 This manual is intended to describe the functions of this product Yokogawa Electric Corporation hereinafter simply referred to as Yokogawa Electric does not guarantee that these functions are suited to the particular purpose of the user 4 Under absolutely no circumstance may the contents of this manual in part or in whole be transcribed or copied without permission 5 The contents of this manual are subject to change without prior notice 6 Every effort has been made to ensure accuracy in the preparation of this manual Should any errors or omissions come to your attention however please contact your nearest Yokogawa representative or our sales office E Regarding Protection Safety and Prohibition Against Unauthorized Modification 1 In order to protect the product and the system controlled by it against damage and ensure its safe use make certain that all of the instructions and precautions relating to safety contained in this document are strictly adhered to Yokogawa Electric does not guarantee safety if products are not handled according to these instructions N Modification of the product is strictly prohibited 3 Reverse engineering such as the disassembly or decompilation of software is strictly prohibited E Force Majeure 1 Yoko

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