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background image

3-5

IM 04P01B01-17E

3

Using the RS-422A/485 Communication Interface (/C3 Option)

(The following figure illustrates the case when the host computer’s interface is RS-232.)

Terminator (externally attached) 120

Ω

, 1/2 W or more

#

1

Do not connect terminator to

#

1 to

#

n–1

#

2

#

n

(

#

n

≤

31)

Terminator (externally attached)

FG

SG

RD B

RD A

SD B

SD A

(SG)

(B)

(A)

(B)

(A)

FG

SG

RD B

RD A

SD B

SD A

(SG)

FG

SG

RD B

RD A

SD B

SD A

(SG)

(B)

(A)

SHIELD

TD( + )

TD( – )

RD( + )

RD( – )

Host

computer

Converter

RS-232

RS-422A/485

terminal on the

Recorder

Note

•

The method used to eliminate noise varies depending on the situation. In the connection

example, the shield of the cable is connected only to the recorder’s ground (one-sided

grounding). This is effective when there is a difference in the electric potential between the

computer’s ground and the recorder’s ground. This may be the case for long distance

communications. If there is no difference in the electric potential between the computer’s

ground and the recorder’s ground, the method of connecting the shield also to the computer’s

ground may be effective (two-sided grounding). In addition, in some cases, using two-sided

grounding with a capacitor connected in series on one side is effective. Consider these

possibilities to eliminate noise.

•

When using the two-wire type interface (Modbus protocol), the 485 driver must be set to high

impedance within 3.5 characters after the last data byte is sent by the host computer.

• Serial Interface Converter

Recommended converter

MODEL RC-57 by RA SYSTEMS CORP.

CAUTION

Some converters not recommended by Yokogawa have FG and SG pins that
are not isolated. In this case, do not connect anything to the converter’s FG and
SG pins (unlike the figure on the previous page). Especially in the case of long
distance communications, the potential difference that appears may damage the
recorder or cause communication errors. For converters that do not have the SG
pin, they can be used without using the signal ground. For details, see the
manual that came with the converter.

On some non-recommended converters, the signal polarity may be reversed (A/B or
+/- indication). In this case, reverse the connection.

3.2 Terminal Arrangement and Signal Names and the Connection Procedure of the RS-422A/485 Communication Interface

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Содержание Vigilantplant mR10000

Страница 1: ...s Manual Yokogawa Electric Corporation Models 436101 436102 436103 436104 436106 437101 437102 437103 437104 437106 437112 437118 437124 R10000 R20000 Communication Interface IM 04P01B01 17E 4th Edit...

Страница 2: ...E Explains all the functions and procedures of the User s Manual R20000 recorder excluding the communication functions R10000 R20000 IM 04P01B01 17E This manual Explains the functions of the Communica...

Страница 3: ...Sec 4 4 SA command Sec 4 4 TD command Sec 4 5 XN command Sec 4 5 YS command Sec 3 2 Sec 2 5 Sec 4 5 UL command Sec 4 4 VL commands Sec 4 5 UQ and UF commands Sec 4 5 UG and UH commands Sec 4 4 VH VC V...

Страница 4: ...Communication Interface C3 Option Explains the specifications of the RS 422A 485 communication interface and how to use the interface Chapter 4 Commands Explains each command that is available Chapter...

Страница 5: ...utions that can be taken to prevent such occurrences CAUTION Calls attentions to actions or conditions that could cause light injury to the user or damage to the instrument or user s data and precauti...

Страница 6: ...wn for 3 seconds also to exit from the data display setup screen FEED key Feeds the chart paper CHARACTER Key Changes the character type when entering a character Press this key while holding down the...

Страница 7: ...asic Setting mode display appears The top and bottom lines are the setup item and comment respectively The section that is blinking in the setup item that you change In this manual the section that yo...

Страница 8: ...s A Z A to Z and space a z a to z and space 0 9 0 to 9 and space 2 3 and space Use the key or SHIFT key to select a character You repeat these steps to set the character string key SHIFT key key Host...

Страница 9: ...Press the CHARACTER key or SHIFT CHARACTER key to show Paste DISP and then press the key The character string is pasted Exiting from Basic Setting Mode Press the ESC key several times to return to th...

Страница 10: ...Number of Simultaneous Use 2 1 2 2 Connecting the Ethernet Interface 2 2 When Connecting Only the Recorder and a PC 2 2 When Connecting to a Preexisting Network 2 2 2 3 Configuring the Ethernet Inter...

Страница 11: ...formation Output Commands Available when using the instrument information server function via Ethernet communications 4 33 Chapter 5 Responses 5 1 Response Syntax 5 1 Affirmative Response 5 1 Single N...

Страница 12: ...1B01 17E 1 2 3 4 5 6 App Index Contents Appendix Appendix 1 ASCII Character Codes App 1 Appendix 2 Output Flow of FIFO Data App 2 Appendix 3 Login Procedure App 4 Appendix 4 A List of Error Messages A...

Страница 13: ...protocol Dedicated protocol Lower layer protocol TCP IP Interface Ethernet 10BASE T UDP Communication functions of the recorder Application TCP Transmission Control Protocol UDP User Datagram Protocol...

Страница 14: ...Topics Ethernet interface settings Section 2 3 Commands Section 4 2 Instrument Information Server Outputs the serial number model name and other information about the recorder connected via the Ethern...

Страница 15: ...e allowed There is a maximum number of simultaneous connections that can be established with the recorder Related Topics Login function settings Section 2 5 Maximum number of simultaneous connections...

Страница 16: ...unication functions of the recorder Application Setting Measurement Server The functions are the same as those of the Setting Measurement server of the Ethernet interface See page 1 1 Related Topics R...

Страница 17: ...nd the Number of Simultaneous Use The following table shows the maximum number of simultaneous connections the number of simultaneous users and the port numbers of the recorder Function Maximum Number...

Страница 18: ...an example in which a recorder and a PC are connected to the network When connecting the recorder or the PC to a preexisting network the transfer rate connector type etc must be matched For details c...

Страница 19: ...Setting mode screen Note To cancel an operation press the ESC key Host Name and Domain Name 1 Press the key to select Ethernet and then press the key Basic Ethernet 2 Press the key to select Host and...

Страница 20: ...g complete 6 Press the ESC key to return to the higher level menu To save the settings and exit from Basic Setting mode proceed to Saving the Settings DNS Domain Name System 1 Press the key to select...

Страница 21: ...t the recorder s host name and the domain name of the network to which the recorder belongs Be sure to set these items when using the DNS Host Set the recorder s host name using up to 64 alphanumeric...

Страница 22: ...ary DNS Server Set the IP address of the secondary DNS server The default value is 0 0 0 0 If the primary DNS server is down the secondary server is used to search the host name and IP address correla...

Страница 23: ...be confirmed with the indicator that is located to the left of the Ethernet port on the recorder Indicator Connection Status of the Ethernet Interface ON Green The Ethernet interface is electrically...

Страница 24: ...ncel an operation press the ESC key Enabling Disabling the Login Function 1 Press the key to select Ethernet and then press the key Basic Ethernet 2 Press the key to select Login and then press the ke...

Страница 25: ...enance Test servers on the recorder via the Ethernet interface Enabling Disabling the Login Function Set whether to use the login function Registering Users User level Select either of the user levels...

Страница 26: ...o Not The user name admin can be used to login to the recorder as an administrator Password is not necessary The user name user can be used to access the recorder as a user Password is not necessary T...

Страница 27: ...an operation press the ESC key Communication Timeout 1 Press the key to select Ethernet and then press the key Basic Ethernet 2 Press the key to select Timeout and then press the key Ethernet Timeout...

Страница 28: ...ettings are activated and the Operation mode screen appears Explanation The communication timeout function and the keepalive function can be configured Communication Timeout Selecting On or Off If On...

Страница 29: ...31 Modbus slave protocol Transmission mode Half duplex Synchronization Start stop synchronization Baud rate Select from 1200 2400 4800 9600 19200 and 38400 bps Start bit Fixed to 1 bit Data length Sel...

Страница 30: ...A Connection Procedure Cable Use the cable that meets the conditions below Item Conditions Cable Shielded twisted pair cable 3 pairs AWG24 14 Four wire system 2 pairs 24 AWG or more Two wire system Ch...

Страница 31: ...ce Converter on the next page The two wire system can be used only when using the Modbus protocol For the configuration procedure see section 3 5 Four Wire System Generally a four wire system is used...

Страница 32: ...RD B RD A SDB SDA RS 232 Two Wire System Connect the transmission and reception signals with the same polarity on the RS 422A 485 terminal block The two wire system can be used only when using the Mod...

Страница 33: ...puter s ground may be effective two sided grounding In addition in some cases using two sided grounding with a capacitor connected in series on one side is effective Consider these possibilities to el...

Страница 34: ...RS 422A interface exist in the system The maximum number of connection is 16 Some of YOKOGAWA s conventional recorder only support the RS 422A driver In this case only up to 16 units can be connected...

Страница 35: ...dded every time a character is transmitted The start bit is followed by the data bits parity bit and stop bit See the figure below Data bit 7 or 8 bits 1 character Stop bit Parity bit Even Odd or None...

Страница 36: ...upported Functions The function codes of the Modbus slave protocol that the recorder supports are shown below The recorder does not support broadcast commands Function Code Specifications Operation 3...

Страница 37: ...valid channel is read 31001 Alarm status of the measured data of CH01 31002 Alarm status of the measured data of CH02 31003 Alarm status of the measured data of CH03 31004 Alarm status of the measured...

Страница 38: ...of CH1B upper word 32029 Computed data of CH1C lower word 32030 Computed data of CH1C upper word 32031 Computed data of CH1D lower word 32032 Computed data of CH1D upper word 32033 Computed data of C...

Страница 39: ...Registers corresponding to models with the M1 computation function option The values are the same as those of the alarm status of the measured data Valid channels vary depending on the device An error...

Страница 40: ...an be input When reading from the register The communication input data a floating point is converted to a 16 bit signed integer and output 40301 Communication input data of C01 lower word 40302 Commu...

Страница 41: ...of C22 upper word 40345 Communication input data of C23 lower word 40346 Communication input data of C23 upper word 40347 Communication input data of C24 lower word 40348 Communication input data of...

Страница 42: ...dress and then press the key Address 1 3 Press the key to select the Baud rate value and then press the key Baud rate 38400 4 Press the key to select the Data length value and then press the key Data...

Страница 43: ...ct the data length from below To output data in BINARY format be sure to set the data length to 8 bits 7 or 8 Parity Parity check method Select the parity check from the following Odd Even or None Pro...

Страница 44: ...nored except for parameters that are specified using an ASCII character string unit tag and message string when spaces are valid You can omit the parameters that do not need to be changed from their c...

Страница 45: ...haracter Use either of the following two characters for the terminator CR LF 0DH 0AH in ASCII code LF 0AH in ASCII code Note The total data length from the first character to the terminator must be le...

Страница 46: ...ing Run mode Yes No 4 13 SP Sets the partial expanded recording Run mode Yes No 4 13 VR Turns ON OFF the recording on each channel Run mode Yes No 4 14 ST Sets the tag Run mode Yes No 4 14 SG Sets the...

Страница 47: ...s No 4 23 UK Sets whether to use of partial expanded recording Basic Setting mode Yes No 4 23 UL Selects the display printout language Basic Setting mode Yes No 4 23 XN Selects the date format Basic S...

Страница 48: ...on adjustment Basic Setting mode Yes No 4 29 Yes Command usable No Command not usable Output Commands Command Command Function Execution Mode Administrator User Page Type Name Control BO Sets the byte...

Страница 49: ...atistical information All modes Yes Yes 4 32 help Outputs help All modes Yes Yes 4 32 net Outputs network statistical information All modes Yes Yes 4 32 quit Disconnects the connection of the instrume...

Страница 50: ...2 to 3200 B B 0 0 to 1820 0 C 0 to 18200 32 to 3308 F 32 to 3308 K K 200 0 to 1370 0 C 2000 to 13700 328 to 2498 F 328 to 2498 E E 200 0 to 800 0 C 2000 to 8000 328 0 to 1472 0 F 3280 to 14720 J J 200...

Страница 51: ...of Leftmost and Range of Leftmost and the SR Command Rightmost Values of Span Rightmost Values of Span of the SR Command Level LEVEL 0 to 1 0 to 1 Contact CONT 0 to 1 0 to 1 0 when less than 2 4 V 1...

Страница 52: ...4 option I01 to I06 I11 to I16 R20000 Models with the A5 option I01 to I06 I11 to I16 I21 to I26 I31 to I36 R20000 Communication Input Data R10000 Pen model C01 to C08 dot model C01 to C12 R20000 Pen...

Страница 53: ...01 1 5V 1000 5000 0 12000 1 OFF Description This command cannot be specified while computation is in progress For p3 and p4 enter an integer value of 5 digits or less according to the table in sectio...

Страница 54: ...t p3 in the range of 10 of the span of the measurable range at the range type or 10 of the scaling span Specify the value with an integer see section 4 3 The bias setting is valid only when the bias f...

Страница 55: ...F input DI 0 or 1 For scaling 1 5V scaling and square root 5 to 105 of the scale span except within 20000 to 30000 Parameter p5 for the difference high limit alarm difference low limit alarm Values in...

Страница 56: ...Z Sets zone recording Syntax SZ p1 p2 p3 terminator p1 Channel number p2 Leftmost position of the zone R10000 0 to 95 R20000 0 to 175 mm p3 Rightmost position of the zone R10000 5 to 100 R20000 0 to 1...

Страница 57: ...rt speed used by the remote control function R1 option Syntax SE p1 terminator p1 Secondary chart speed See the explanation Query SE Example Set the chart speed to 50 mm h SE 50 Description Select the...

Страница 58: ...when p2 is OFF The SS command can be used on the R10000 with system version 1 02 or earlier SO Sets the computing equation M1 option Syntax SO p1 p2 p3 p4 p5 p6 terminator p1 Computation channel numb...

Страница 59: ...02 STATUS On screens with the displayed channel switching interval Syntax VD p1 p2 p3 terminator p1 Screen number 01 to 15 p2 Display type 1CH digital 1 channel digital display 2CH digital 2 channel d...

Страница 60: ...ottom sections p3 Top section display type 1CH digital 1 channel digital display 2CH digital 2 channel digital display 3CH digital 3 channel digital display R20000 TIME Date Time R10000 Chart speed Ch...

Страница 61: ...100 ms 6 channels 2 5 s 12 channels 5 s 18 and 24 channels 10 s VH Sets the batch number and lot number BT1 option When setting the batch number Syntax VH p1 p2 terminator p1 BATCH p2 Batch number up...

Страница 62: ...ON OFF p4 Pen offset compensating recording ejection ON OFF ON OFF p5 Select chart speed when ejecting pen offset compensating record C SPEED Chart speed setting 450mm h Fixed to 450 mm h Query VA p1...

Страница 63: ...using the basic setting commands the settings must be saved using the YE or XE command The settings that are returned in response to a query in the basic setting mode will contain the new settings eve...

Страница 64: ...the A D integral time Syntax XI p1 terminator p1 Integration time of the A D converter AUTO Automatically set in synch with the power supply frequency 50HZ 20 ms 60HZ 16 7 ms 100MS 100 ms dot model Q...

Страница 65: ...he interval according to the chart speed Manual Specify the interval p2 Reference time 00 to 23 hour p3 Interval 10min 12min 15min 20min 30min 1h 2h 3h 4h 6h 8h 12h 24h when p1 is Manual p4 Periodic p...

Страница 66: ...te format for displaying and printing Y M D example 2005 08 31 M D Y example 08 31 2005 D M Y example 31 08 2005 D M Y example 31 08 2005 M D Y example Aug 31 2005 Query XN Example Set to the 2005 08...

Страница 67: ...essage 1 Message2 Print message 2 Message3 Print message 3 Message4 Print message 4 Message5 Print message 5 Priority R_RCD Priority to remote recording BatchCMT switch Batch comment switching Query X...

Страница 68: ...value is applied to TLOG SUM or TLOG AVE computation SKIP Do not use the data for computation LIMIT Use the limit value given by the recorder for computation Query US Example When the computed result...

Страница 69: ...3 terminator p1 Channel number p2 Setting mode ReviseValue Specify deviation Abs Value Specify absolute value p3 Number of calibration set points 2 to 16 Query UQ p1 Example Set the setting mode to Ab...

Страница 70: ...t ON OFF Query UH Example Display all menus UH ON ON ON ON ON UE Selects enable disable for Start printout End printout and message format BT1 option When using Start printout End printout Syntax UE p...

Страница 71: ...ose display channel is set to manual switching AK Executes alarm acknowledge Alarm ACK Syntax AK p1 terminator p1 Executes alarm acknowledge 0 Example Execute alarm acknowledge AK 0 TL Starts stops re...

Страница 72: ...Byte order 0 Outputs the data MSB first 1 Outputs the data LSB first Query BO Example Output the data MSB first BO 0 Description This command applies to the byte order of numerical data during BINARY...

Страница 73: ...data instantaneous value Report Output the statistical calculation data of periodic printout report data Tlog1 Output the data at the most recent timeout of TLOG timer 1 Tlog2 Output the data at the...

Страница 74: ...ument The ASCII code of ESC is 1BH Syntax ESC O p1 terminator CR LF p1 Instrument address 01 to 32 Example Open the instrument at address 01 ESC O 01 Description Specifies the address of the instrumen...

Страница 75: ...ocal Address The recorder s socket address Displays IP address port number Foreign Address The destination socket address Displays IP address port number State Connection status ESTABLISHED Connection...

Страница 76: ...lision incidents quit Disconnects the connection of the instrument being operated Syntax quit terminator 4 10 Instrument Information Output Commands Available when using the instrument information ser...

Страница 77: ...is section denotes a terminator Affirmative Response When the command is processed correctly an affirmative response is returned Syntax E0CRLF Example E0 Single Negative Response When the command is n...

Страница 78: ...l Diagram E B CR LF BINARY data ASCII BINARY Data length Data sum Flag ID Header sum 1 byte BINARY header 12 bytes BINARY data BINARY footer 2 bytes EBCRLF Indicates that the data is BINARY Data Lengt...

Страница 79: ...data Section 5 3 1 FIFO data Section 5 3 10 Setup data file Undisclosed The table above shows the different types of BINARY Data Measured computed data can be output using the FD command FIFO data ca...

Страница 80: ...len Length of the data on which the sum is calculated Return value Calculated sum intcksum unsigned char buff int len unsigned short p Pointer to the next two byte data word in the buffer that is to b...

Страница 81: ...s not exist The causes that the condition become The instrument with the specified address does not exist is such as a command error the address not matching that of the instrument the instrument is n...

Страница 82: ...r of the listed commands in the table in section 4 2 A List of Commands However the setting information for the following commands is not output Setting commands SD CM and FR Basic Setting commands YE...

Страница 83: ...el k Channel type 0 Measurement channel A Computation channel cc Channel number R10000 01 to 06 0A to 0P R20000 01 to 24 0A to 1P uuuuuu Unit information 6 characters left justified mV____ mV V_____ V...

Страница 84: ...or space winter S1S2S3S4S5S6 Data status Takes on the values below for the FYTlog1 and FYTlog2 commands For all other cases they are all spaces S1 Time change during TLOG computation T occurred or sp...

Страница 85: ...nout data when up is specified are positive Negative over data and the burnout data when down is specified are negaitive ddddd Mantissa 00000 to 99999 5 digits 8 digits for computed data For error dat...

Страница 86: ...ond 000 to 999 T t S summer or space winter S1S2S3S4S5S6 Data status S1 Time change during reporting T occurred or space not occurred S2 Power OFF and ON during reporting P occurred or space not occur...

Страница 87: ...alue minimum value maximum value average value and sum value of the computation channel f1 Sign of mantissa ddddd Mantissa 00000 to 99999 dddddddd Mantissa 00000000 to 99999999 f2 Sign of exponent pp...

Страница 88: ...mation 1 000 to 255 bbb Status information 2 000 to 255 ccc Status information 3 000 to 255 ddd Status information 4 000 to 255 Example EA 000 000 032 000 EN User Information The FU command is used to...

Страница 89: ...Data and FIFO Data The FD FD1 command is used to output the most recent measured computed data The FF FEGET FERESEND and FEGETNEW command is used to output the FIFO data The decimal point position an...

Страница 90: ...A2 Bit 4 to 7 0 to 8 A3 Bit 0 to 3 A4 Bit 4 to 7 Measured data 0 to FFFFH Computed data 0 to FFFFFFFFH BINARY value 0 to 8 is entered in the upper and lower 4 bits of a byte 8 bits for the alarm stat...

Страница 91: ...1 The logical AND of the condition register and the filter becomes the status information The IF command can be used to set the filter The IS command is used to output the status information Status i...

Страница 92: ...n the measurement process could not keep up 1 Decimal point unit Set to 1 when the decimal point unit information is information change changed 2 Command error Set to 1 when there is a command syntax...

Страница 93: ...d English Note 2 3 and are assigned to character codes as follows 7BH 7CH 2 7DH 3 7EH 5EH Characters in the parentheses are the characters assigned on the keyboard 0 1 2 3 4 5 6 7 8 A B C D E F G H P...

Страница 94: ...e measured computed data The measured computed data are acquired to the internal memory at 1 s intervals Measured computed data are acquired to blocks 1 through 8 in order After acquiring to block 8 t...

Страница 95: ...esponse E0 Send command Receive response Wait for the FIFO acquiring interval 1 s Move the FIFO read position to the most recent acquire position Command description Command to send Received response...

Страница 96: ...thin the number of simultaneous uses Within 2 minutes Within the number of connections Within 2 minutes User name Password Increment retry count 1 1 1 1 End Start Judgment Transition Code for a descri...

Страница 97: ...an be used to access the recorder as a user E1 403 Yes No No No No No No E1 404 E1 421 Connect Disconnect E1 422 Disconnect E1 420 Disconnect Login complete Within 3 retries Within 3 retries E0 E1 402...

Страница 98: ...s for message Cannot enter a setting that exceeds the message string 16 characters 21 Cannot set an alarm for a SKIPPED channel 22 The upper and lower span limits are equal This is not allowed 23 The...

Страница 99: ...gateway is not equal to Set the correct default gateway that of IP address 151 This action is invalid during calculation 160 This action is invalid during chart end 161 This action is invalid during...

Страница 100: ...Connection has been lost 421 The number of simultaneous connection has been exceeded 422 Communication has timed out Warning Messages Code Message Explanation Countermeasures 600 Initialized Settings...

Страница 101: ...5 administrator 2 9 affirmative response 5 1 alarm 4 11 4 20 alarm ACK 4 28 alarm acknowledge 4 28 alarm delay 4 23 alarm delay time 4 14 alarm printout buffer 4 28 ASCII character codes App 1 ASCII d...

Страница 102: ...4 15 E end printout 4 19 4 27 entering basic setting mode vi entering characters vii entering values vii error messages App 6 ESC key vi Ethernet interface 2 1 Ethernet statistical information 4 32 ex...

Страница 103: ...85 interface 4 24 run mode vi 4 3 S secondary chart speed 4 14 selecting the setup item and value vi serial number 4 33 setting commands 4 3 setting mode vi setting basic setting data output 5 6 setti...

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