SMC Networks HRS090 Series Operation Manual Download Page 74

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HRX-OM-T004

Chapter 5 Simple communication protocol function

5.8

Command explanation

HRS090 Series

5-18

5.8.3

Command:SV1 Circulating fluid set temperature (W)

Read the circulating fluid set temperature in the selected temperature unit
(°C or °F).



Request message <Normal> (Master to Slave)

STX

Slave Address

Request

Command

Writing data

ETX

BCC

[STX]

[W]

[S]

[V]

[1]

[ETX]



Response message <Normal> (Slave to Master)

STX

Slave Address

ACK

ETX

BCC

[STX]

[ACK]

[ETX]



Communication example

○Slave Address

：

No 1

○BCC selection

Request message

Response message

Code

Contents

Code

Contents

Slave Address

Request message to write

[ACK]

Normal response message

SV1

Circulating fluid set temperature

[06h]

BCC value

00258

Write information (25.8

[5Ch]

BCC value

Your system

This product

(Request)[STX] 01WSV100258 [ETX] [5Ch]

(Response)[STX] 01[ACK] [ETX] [06h]

Data is sent and
received in ASCII
code.

Summary of Contents for HRS090 Series

Page 2: ...on and operation of the product Only people who understand the basic operation of the product through this manual or who performs installation and operation of or have basic knowledge about industrial machines are allowed to work on the product This manual and other documents attached to the product do not constitute a contract and will not affect any existing agreements or commitments It is stric...

Page 3: ...t 2 16 2 5 2 External switch signal input 2 18 2 6 Contact output signal 2 19 Chapter 3 Serial communication 3 1 3 1 Precautions wiring communication 3 1 3 2 Communication specification 3 1 3 3 Connected explanation 3 2 Chapter 4 MODBUS communication function 4 1 4 1 Precautions for communication 4 1 4 1 1 Precautions after wiring and before communication 4 1 4 1 2 Precautions for communicating 4 ...

Page 4: ...ns for communicating 5 2 5 1 3 Precautions after the completion of the communication 5 2 5 2 Communication specification 5 3 5 3 Setting and checking 5 4 5 3 1 Setting and checking items 5 4 5 3 2 Setting and checking 5 5 5 4 Communication sequence 5 11 5 5 Message configuration 5 12 5 5 1 Message format 5 12 5 5 2 Message example 5 14 5 6 BCC 5 15 5 7 Command 5 15 5 8 Command explanation 5 16 5 8...

Page 5: ...HRX OM T004 Contents HRS090 Series 6 3 2 Setting and checking 6 3 ...

Page 6: ......

Page 7: ...ntrol of run start of the product temperature setting and details of product condition and alarm condition can be obtained Simple communication protocol Serial communication RS 485 RS232C enables remote control of temperature setting This protocol complies with SMC thermo cooler HRG HRGC series We recommend using the MODBUS protocol if you are unfamiliar with using the communication function There...

Page 8: ...ct is the same as that of LOCAL The REMOTE lamp on the operation panel turns off SERIAL Mode allowing the product to be operated by serial communication MODBUS simple communication protocol can be selected Table 1 1 2 Communication mode and operation LOCAL DIO SERIAL DIO LOCAL DIO REMOTE MODBUS Simple communication protocol pattern 1 2 Run Stop control with operation display panel x x x Circulatin...

Page 9: ...e back of the product is used for communication Fig 1 2 1 Communication port shows the location of the communication port Fig 1 2 1 Communication port Contact input output DIO Connector for communication Used for DIO communication Connector for option Not used for communication Serial communication Connector Used for RS 485 RS 232C ...

Page 10: ...re Anti freezing function Data reset Pump accumulated operating time reset Fan accumulated operating time reset Compressor accumulated operating time reset Key click sound Temperature unit Pressure unit Alarm The latest Alarm Alarm display menu Alarm The oldest PV SV PV SV PV SV Note It changes only when the alarm is generated PV SV PV SV Power supply ON PV SV Press the 2 sec PV SV Unused PV SV SE...

Page 11: ...ntact input signal 2 Contact input signal 2 type Contact output signal 1 function Contact output signal 1 operation Contact output signal 1 selected alarm Digital output signal 2 function Contact output signal 3 selected alarm Contact output signal 2 operation Contact output signal 2 selected alarm Contact output signal 3 function Contact output signal 3 operation PV SV PV SV PV SV PV SV PV SV PV ...

Page 12: ...delay time 0 Communication range RW Contact input output communication Contact input signal 1 RUN 2 4 Contact input signal 1 type ALT Contact input signal 1 delay timer time delay of reading 0 Contact input signal 1 OFF detection timer 0 Contact input signal 2 OFF Contact input signal 2 type ALT Contact input signal 2 delay timer time delay of reading 0 Contact input signal 2 OFF detection timer 0...

Page 13: ... signal 3pcs Type of signal signal operation N O type N C type 2 1 Precautions for communication 2 1 1 Precautions wiring communication Communication wiring A communication cable that connects the product and customer system is not included with the product Please prepare a cable referring to 2 3 Terminal block explanation In order to avoid malfunction do not connect to any place other than those ...

Page 14: ... the terminal block of the contact input output communication The communication cable that connects the product and customer system is not included with the product Prepare a cable referring to Table 2 3 1 and Fig 2 3 1 Table 2 3 1 Terminal explanation Terminal no Application Division Default setting Setting available 13 to 15 24V COM output Output 5 to 7 DC 24V output Output 12 Common of contact ...

Page 15: ...t signal 2 Alarm status signal output Run stop signal input Operation status signal output Remote status signal output Thermo chiller side Cuctomer s equipment side Signal description Default setting 1 1 The pin numbers and output signals can be set by user For details refer to the 2 4 Setting and checking 2 When using with optional accessories depending on the accessory the allowable current of 2...

Page 16: ...reading Sets the delay timer of reading of contact input signal 2 Used when the setting of the contact input signal 2 is SW_A or SW_B is displayed when the setting of the contact input signal 2 is not SW_A or SW_B 0 Contact input signal 2 OFF Detection timer Sets the OFF detection timer of contact input signal 2 Used when the setting of the contact input signal 2 is SW_A or SW_B is displayed when ...

Page 17: ...ressing the key until the setting screen for communication mode appears on the digital display 2 Select LOC from the key and confirm by pressing SEL Table 2 4 2 List of set values Set values Explanation Initial value Default setting Sets LOCAL mode Sets DIO mode 1 Sets SERIAL mode 2 1 When the setting of the contact input 1 is External switch signal DIO mode cannot be set 2 If the serial protocol ...

Page 18: ... When the setting of the communication mode is DIO mode External switch signal input cannot be set 2 When the setting of the communication mode is SEIRAL mode and the protocol setting is Simplified communication protocol 2 External switch signal input cannot be set Contact input signal 1 type Setting and checking 5 Press the SEL key once The set screen of contact input signal 1 type is displayed o...

Page 19: ...put signal 1 is external switch signal input N O type or N C type to Setting of contact input signal 1 delay timer of reading Set range is 0 to 300 sec Contact input signal 1 OFF detection timer Setting and checking 9 Press the SEL key once The set screen of the contact input signal 1 OFF detection timer is displayed on the digital display 10 Select contact input signal 1 OFF detection timer from ...

Page 20: ...gnal input N C type Remote signal input 1 1 When the setting of the serial protocol is Simplified communication protocol 2 Remote signal input cannot be set Contact input signal 2 type Setting and checking 13 Press the SEL key once The set screen of contact input signal 2 type is displayed on the digital display 14 Select contact input signal 2 type from the table below with key or key and confirm...

Page 21: ...ut signal 2 is external switch signal input N O type or N C type to Setting of contact input signal 2 delay timer of reading Set range is 0 to 300 sec Contact input signal 2 OFF detection timer Setting and checking 17 Press the SEL key once The set screen of contact input signal 2 OFF detection timer is displayed on the digital display 18 Select contact input signal 2 OFF detection timer from the ...

Page 22: ...atus signal output Ready completion TEMP READY signal output Operation stop alarm signal output Operation continuation alarm signal output Alarm status signal output Selected alarm status signal output Operation start timer setting status signal output Operation stop timer setting status signal output Recovery from power failure setting status signal output Anti freezing setting status signal outp...

Page 23: ...screen of digital output 1 selected alarm is displayed on the digital display 24 Select contact output 1 selected alarm from the table below with key or key and confirm by pressing SEL Table 2 4 13 List of set values Set values Explanation Initial value Default setting Setting checking are not available unless the function setting of contact output 1 is selected alarm status signal to Sets selecti...

Page 24: ... status signal output Operation start timer setting status signal output Operation stop timer setting status signal output Recovery from power failure setting status signal output Anti freezing setting status signal output Contact input signal 1 pass through signal output Contact input signal 2 pass through signal output Warming up function setting status output Contact output 2 operation Setting ...

Page 25: ...elected alarm from the table below with key or key and confirm by pressing SEL Table 2 4 16 List of set values Set values Explanation Initial value Default setting Setting checking are not available unless the function setting of contact output 2 is selected alarm status signal to Sets selection alarm Set range is AL 01 to AL 51 Contact output 3 function Setting and checking 31 Press the SEL key o...

Page 26: ... status signal output Operation start timer setting status signal output Operation stop timer setting status signal output Recovery from power failure setting status signal output Anti freezing setting status signal output Contact input signal 1 pass through signal output Contact input signal 2 pass through signal output Warming up function setting status output Contact output 3 operation Setting ...

Page 27: ...ues Set values Explanation Initial value Default setting Setting checking are not available unless the function setting of contact output 1 is selected alarm status signal to Sets selection alarm Set range is AL 01 to AL 51 Communication mode Setting and checking 37 Press the SEL key once The set screen of communication mode is displayed on the digital display 38 Select communication mode DIO from...

Page 28: ...nput N C SW_B Alternate ALT Used Used Without signal input OFF Contact input signal 2 Run stop signal input RUN Alternate ALT Momentary MT External switch signal input N O SW_A Alternate ALT Used Used External switch signal input N C SW_B Alternate ALT Used Used Remote signal input RMT Alternate ALT Momentary MT Without signal input OFF 2 5 1 Run stop signal input Remote signal input 1 Run stop si...

Page 29: ... O type has been turned off for the time set for OFF detection timer it is recognized as OFF The factory default setting of the OFF detection timer is 0sec Refer to 1 4 2 for setting AL32 contact input 2 signal detection alarm is generated The operation of the product stops Operation stop is the default setting for AL32 The product can be set to continue operation or not to detect the alarm Refer ...

Page 30: ...External switch signal input CLOSE OPEN Operation start Signal reading start Delay timer of reading OFF detection timer Alarm generation Operation stops due to the alarm Fig 2 5 1 Timing chart of external switch monitoring Delay timer of reading If the signal of the external switch prepared by the customer is not closed instantly when the product is operated set the delay timer for reading By sett...

Page 31: ... signals can be customized depending on the customer s application The Table 2 6 2 shows operation of contact output signal Tips All contact output signals are turned off open when the power is not supplied Table2 6 1 Contact output signal Default setting Class of signal Signal configuration Remarks Description Display Description Display Contact output signal 1 Run status signal output RUN N O ty...

Page 32: ...type When selected alarm occurs signal turns ON N C type When selected alarm occurs signal urns ON ON TM Operation start timer setting status signal output N O type When run timer is set signal turns ON N C type When run timer is set signal turns OFF OF TM Operation stop timer setting status signal output N O type When stop timer is set signal turns ON N C type When stop timer is set signal turns ...

Page 33: ... illustrate each protocol 3 1 Precautions wiring communication Communication wiring A communication cable that connects the product and customer system is not included with the product Please prepare a cable referring to 3 3 Connected explanation In order to avoid malfunction do not connect to any place other than those shown in 3 3 Connected explanation 3 2 Communication specification Table 3 2 1...

Page 34: ...s In the latter case up to 31 products can be connected Both ends of the communication connection the end nodes need to be connected to the higher level computer The terminal resistance of this product can be set by the operation display panel Refer to 4 3 2 Setting and checking 5 3 2 Setting and checking Fig 3 3 2 RS 232C connector connection 1 SD 5 SG 9 SD SD SD SG Terminal resistance Master Thi...

Page 35: ...or the register of the product 4 1 Precautions for communication 4 1 1 Precautions after wiring and before communication Check or set the each communication setting by the operation display panel The communication specification shall be the customer s communication standard The serial protocol shall be the MODBUS The communication mode shall be the SERIAL mode Other modes can perform reading but o...

Page 36: ...it of circulating fluid temperature When the circulating fluid set temperature is written by communication the data is stored in FRAM When the product restarts it restarts with the value which was set before the restart The number of times it is possible to overwrite FRAM is limited Data is only stored in FRAM when it receives a circulating fluid set temperature which is different from the previou...

Page 37: ...s Default setting Communication mode Sets communication mode of this product LOC Serial protocol Sets serial communication protocol MDBS Communication specification Sets standard of the serial communication 485 RS 485 terminal Sets terminal of RS 485 OFF Slave address MODBUS Sets slave address of MODBUS protocol is displayed when the setting of serial protocol is not MODBUS 1 Communication speed M...

Page 38: ...h SEL Table 4 3 2 List of set values Set values Explanation Initial value Default setting Sets LOCAL mode Sets DIO mode Sets SERIAL mode 1 1 If the serial protocol is Simple communication protocol 2 and the contact input 1 is external switch signal or contact input 2 is remote signal SERIAL mode cannot be set Serial protocol Setting and checking 3 Press the SEL key once The set screen of serial pr...

Page 39: ...ting and checking 5 Press the SEL key once The set screen of communication specification is displayed on the digital display 6 Select communication specification from the table below with key or key and confirm by pressing SEL Table 4 3 4 List of set values Set values Explanation Initial value Default setting RS 232C standard RS 485 standard RS 485 terminal Setting and checking 7 Press the SEL key...

Page 40: ...Default setting Setting checking are not available unless the serial protocol setting is MODBUS to Setting of slave address for MODBUS Set range is 1 to 99 Communication speed MODBUS Setting and checking 11 Press the SEL key once The set screen of communication speed MODBUS is displayed on the digital display 12 Select communication speed MODBUS from the table below with key or key and confirm by ...

Page 41: ...Positive response Based on the request message reads register writes register and returns a positive response Negative response Returns a negative message when the received request message is not normal Refer to 4 9 Negative response No response No response is returned when there is an error in slave address specification or LRC Customer s system host This product slave Request message Positive re...

Page 42: ...he message 3Ah 2 Slave Address 1 to 99 3031h to 3939h This is a number to identify this product 1 is the default setting This can be changed by the operation display panel 3 Function Refer to 4 6 Function codes Command is assigned 4 Data Depending on the function the address and the number of the register the value of reading writing are assigned 5 LRC LRC method Refer to 4 7 LRC 6 END The end of ...

Page 43: ... Code Contents Code Contents 01 Slave Address 01 Slave Address 03 Function 03 Function 0000 Head address of specified register 02 Quantity of bytes to read 0001 Quantity of register to read 00EE Information of 0000h circulating fluid discharge temperature 23 8 o C FB LRC 0C LRC Request message Master to Slave Start Slave Address Function Data LRC End 3A 30 31 30 33 46 42 0D 0A Read Address Quantit...

Page 44: ... supported 4 7 LRC LRC checks the content of the message other than of START and CR LF of END The sending side calculates and sets The receiving side calculates based on the received message and compares the calculation result with the received LRC The received message is deleted if the calculation result and received LRC do not match Add up the byte number of the message consisting of 8 consecuti...

Page 45: ... consecutive data from register 0000h Read circulating fluid discharge temperature circulating fluid discharge pressure status information alarm information Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address 03 Function 03 Function 0000 Head address of specified register 0E Quantity of bytes to read 0007 Quantity of register to read 00D4 Information of 0...

Page 46: ...s Function Data LRC End XX XX 0 6 XX XX CR LF Write Address Write Data Hi Lo Hi Lo XX XX XX XX XX XX XX XX Communication example Slave Address No 1 Write data to register 000Ch Commands to run Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address 06 Function 06 Function 000C Address of specified register 000C Address of register to write 0001 Information wr...

Page 47: ...e Address Quantity to Write Hi Lo Hi Lo XX XX XX XX XX XX XX XX Communication example Slave Address No 1 Write two consecutive data from register 000Bh Commands to change of circulating fluid set temperature 39 9 o C and run Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address 10 Function 10 Function 000B Head address of specified register 000B Head addres...

Page 48: ...ltaneously Request message Normal Master to Slave Start Slave Address Function Data LRC End XX XX 1 7 XX XX CR LF Read Address Quantity to Read Write Address Quantity to Write Hi Lo Hi Lo Hi Lo Hi Lo XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX Byte Count Write Data1 Write Data n Hi Lo Hi Lo XX XX XX XX XX XX XX XX XX XX Response message Normal Slave to Master Start Slave Address Function Data ...

Page 49: ...Slave Address 17 Function 17 Function 0004 Head address of specified register 06 Quantity of byte to read 0003 Quantity of register to read 0000 Information of 0004h Status flag 000B Head address of specified register 0000 Information of 0005h Alarm flag 1 0002 Quantity of register to write 0000 Information of 0006h Alarm flag 2 04 Quantity of byte to write E2 LRC 009B Information written to 000Bh...

Page 50: ...lus 80h in ASCII code 2 Error Code Assign error code below 01 Function code of a command is outside the standard 02 The specified address of register is outside the range 03 Data field of a command is not normal Communication example Slave Address No 1 Read seven consecutive data from register 0100h which is out of range Request message Response message Code Contents Code Contents 01 Slave Address...

Page 51: ...0Ah Reserved 000Bh Circulating fluid set temperature 5 0 to 35 0 o C 32h to 15Eh 0 1 o C dig R W 41 0 to 95 0 o F 3B6h to 410h 0 1 o F dig 000Ch Reserved 1 000Dh Reserved 000Eh Reserved 000Fh Reserved 1 Commands to run 4 10 1 Circulating fluid discharge temperature Read the circulating fluid discharge temperature in the selected temperature unit C or F Read the circulating fluid discharge temperat...

Page 52: ...1 Operation continued alarm given off 3 Unused 4 Press Unit flag Pressure unit set status 0 MPa 1 PSI 5 Remote status flag Remote status 0 Other than SERIAL mode 1 SERIAL mode 6 Unused 7 Warming up function flag Function status 0 Not set 1 Set 8 Unused 9 Completion of preparation TEMP READY flag Completion of preparation TEMP READY status 0 Condition isn t formed 1 Condition is formed 10 Temperatu...

Page 53: ...normal pump operation 7 High circulating fluid discharge pressure rise 8 Circulating fluid discharge pressure drop 9 High compressor suction temp 10 Low compressor suction temp 11 Low super heat temperature 12 High compressor discharge pressure 13 Unused 14 Refrigerant circuit pressure high pressure side drop 15 Refrigerant circuit pressure low pressure side rise Alarm flag 2 0 Refrigerant circuit...

Page 54: ... Power stoppage 9 Compressor waiting 10 Fan failure 1 11 Unused 12 Compressor over current 13 Unused 14 Pump over current 15 Unused Alarm flag 4 0 Unused 1 Incorrect phase error 2 Phase board over current 3 Unused 4 Unused 5 Unused 6 Unused 7 Unused 8 Unused 9 Unused 10 Unused 11 Unused 12 Unused 13 Unused 14 Unused 15 Unused 1 These alarms do not occur on the product of the cooling method W The c...

Page 55: ...rature unit C or F during SERIAL mode If the temperature exceeds the upper limit of the circulating fluid set temperature range the circulating fluid set temperature is changed to the upper limit value If it is lower than the lower limit the circulating fluid set temperature is changed to the lower limit value 4 10 8 Operation Start Command The operation can be controlled by sending the operation ...

Page 56: ......

Page 57: ...all be the simple communication protocol 1 or 2 Simple communication protocol 1 Operation display panel controls the start and stop of the product Simple communication protocol 2 Controls the start and stop of the product remotely Refer to chapter 2 4 for remote setting when this protocol is selected The communication mode shall be the SERIAL mode Other modes can perform reading but only SERIAL mo...

Page 58: ...e resend the request message If necessary send a read request message to check if it was written correctly Message to notify the completion of the process is returned when the action for the written request message is completed 5 1 3 Precautions after the completion of the communication Send the data storage request STR if necessary Data which is set by communication is stored in RAM Set values st...

Page 59: ...bps 2400bps 4800bps 9600bps 19200bps Data bit length Select from 7bit 8bit Stop bit length Select from 1bit 2bit Parity Select from without parity odd number even number Letter code ASCII mode Slave address set range Select from 1 to 99 Response delay time setting Select from 0 to 250 msec Communication range RO Can read data only Select from RW can read and write data BCC Select from with BCC wit...

Page 60: ...tocol is not simple communication protocol 9 6 BCC Simple communication protocol Sets error detection code of communication of simple communication protocol is displayed when the setting of serial protocol is not simple communication protocol ON Data length Simple communication protocol Sets data length is displayed when the setting of serial protocol is not simple communication protocol 8BIT Pari...

Page 61: ...irm with SEL Table 5 3 2 List of set values Set values Explanation Initial value Default setting Sets LOCAL mode Sets DIO mode Sets SERIAL mode 1 1 If the serial protocol is Simple communication protocol 2 and the contact input 1 is external switch signal or contact input 2 is remote signal SERIAL mode cannot be set Serial protocol Setting and checking 3 Press the SEL key once The set screen of se...

Page 62: ...tion protocol 2 is selected as the serial protocol Communication specification Setting and checking 5 Press the SEL key once The set screen of communication specification is displayed on the digital display 6 Select communication specification from the table below with key or key and confirm by pressing SEL Table 5 3 4 List of set values Set values Explanation Initial value Default setting RS 232C...

Page 63: ...available unless the serial protocol setting is simple communication protocol to Setting of slave address for simple communication protocol Set range is 1 to 99 Communication speed simple communication protocol Setting and checking 11 Press the SEL key once The set screen of communication speed simple communication protocol is displayed on the digital display 12 Select communication speed simple c...

Page 64: ...Default setting Setting checking are not available unless the serial protocol setting is simple communication protocol Without BCC With BCC Data length simple communication protocol Setting and checking 15 Press the SEL key once The set screen of data length simple communication protocol is displayed on the digital display 16 Select data length simple communication protocol from the table below wi...

Page 65: ...Initial value Default setting Setting checking are not available unless the serial protocol setting is simple communication protocol None Odd number Even number Stop bit simple communication protocol Setting and checking 19 Press the SEL key once The set screen of stop bit simple Communication protocol is displayed on the digital display 20 Select stop bit simple communication protocol from the ta...

Page 66: ... are not available unless the serial protocol setting is simple communication protocol to Setting of response delay time Set range is 0 to 250m sec Communication range simple communication protocol Setting and checking 23 Press the SEL key once The set screen of communication range simple communication protocol is displayed on the digital display 24 Select communication range simple communication ...

Page 67: ...ed on the request message reads writes return a positive response Negative response Returns a negative message when the received request message is not normal Refer to 5 9 Negative response No response No response is returned when the slave address is specified or a command which is not supported is received Customer s equipment side Master Thermo chiller side Slave Request message Positive respon...

Page 68: ...t Command Writing data ETX BCC STX XX XX W XX XX XX XX XX XX XX XX ETX XX 1 3 Request message Request to store the data STX Slave Address Request Command ETX BCC STX XX XX W XX XX XX ETX XX 2 Response message format 2 1 Response message Normal response to request to write STX Slave Address ACK Command Reading data ETX BCC STX XX XX ACK XX XX XX XX XX XX XX XX ETX XX 2 2 Response message Normal res...

Page 69: ...r in the received request 9 NAK 15h Negative acknowledge code This is included in the response from the product when there is an error in the received request 10 Exception code Error content is included in the response when there is an error in the received request Refer to the table below for exception codes Exception code Exception 0 Equipment malfunction Memory error 1 Out of set range Value da...

Page 70: ...ure Communication example Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address R Request message to read ACK Normal response message PV1 Circulating fluid discharge temperature PV1 Circulating fluid discharge temperature 65h BCC value 00187 Read information 0Fh BCC value Request message Master to Slave STX Slave Address Request Command ETX BCC 02 30 31 52 ...

Page 71: ...circulating fluid discharge temperature in the temperature unit of the product The circulating fluid discharge temperature offset temperature if offset setting is selected which is displayed on the operation display panel PV part e g In case of 19 8 o C 00198 2 SV1 Circulating fluid set temperature R W Write read the circulating fluid set temperature in the temperature unit of the product Writing ...

Page 72: ...ve Address Request Command ETX BCC STX XX XX R P V 1 ETX XX Response message Normal Slave to Master STX Slave Address ACK Command Reading data ETX BCC STX XX XX ACK P V 1 XX XX XX XX XX ETX XX Communication example Slave Address No 1 BCC selection Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address R Request message to read ACK Normal response message PV1...

Page 73: ...ave to Master STX Slave Address ACK Command Reading data ETX BCC STX XX XX ACK S V 1 XX XX XX XX XX ETX XX Communication example Slave Address No 1 BCC selection Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address R Request message to read ACK Normal response message SV1 Circulating fluid set temperature SV1 Circulating fluid set temperature 66h BCC value...

Page 74: ... S V 1 XX XX XX XX XX ETX XX Response message Normal Slave to Master STX Slave Address ACK ETX BCC STX XX XX ACK ETX XX Communication example Slave Address No 1 BCC selection Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address W Request message to write ACK Normal response message SV1 Circulating fluid set temperature 06h BCC value 00258 Write information...

Page 75: ... ETX XX Response message Normal Slave to Master STX Slave Address ACK Command Reading data ETX BCC STX XX XX ACK L O C XX XX XX XX XX ETX XX Communication example Slave Address No 1 BCC selection Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address R Request message to read ACK Normal response message LOC Key lock setting LOC Key lock setting 12h BCC value...

Page 76: ...sing this product as a replacement for HRG HRGC this function is not needed Request message Normal Master to Slave STX Slave Address Request Command Writing data ETX BCC STX XX XX W L O C XX XX XX XX XX ETX XX Response message Normal Slave to Master STX Slave Address ACK ETX BCC STX XX XX ACK ETX XX Communication example Slave Address No 1 BCC selection Request message Response message Code Conten...

Page 77: ...ge Normal Master to Slave STX Slave Address Request Command ETX BCC STX XX XX W S T R ETX XX Response message Normal Slave to Master STX Slave Address ACK ETX BCC STX XX XX ACK ETX XX Communication example Slave Address No 1 BCC selection Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address W Request message to write ACK Normal response message STR Saves d...

Page 78: ...CC STX XX XX NAK XX ETX XX Communication example Slave Address No 1 Writing of the circulating fluid set temperature when the communication range setting is RO read only Request message Response message Code Contents Code Contents 01 Slave Address 01 Slave Address W Request message to write NAK Negative response message SV1 Circulating fluid set temperature 2 Exception code for setting is prohibit...

Page 79: ...e does not send messages regularly The default setting of this function is off 6 1 Communication alarm occurs Fig 6 1 1 shows when an alarm occurs Refer to 6 3 Setting and checking for the setting method Changing of communication error Operation continues when an alarm occurs Time for monitoring the communication error 180 sec When the customer s device is sending messages every 60sec if the commu...

Page 80: ...f the communication alarm function and default values Table 6 3 1 Communication setting item Display Item Contents Default setting Changing of communication error Set the operation when the alarm No AL19 Communication error is generated OFF The monitoring time of communication error Set the alarm monitoring time when the alarm No AL19 Communication error is generated Alarm signal is generated when...

Page 81: ...he digital display 3 Select changing of operation when communication error from the table below with key or key and confirm by pressing SEL Table 6 3 2 List of set values Set values Explanation Initial value Default setting This alarm signal is not detected Operation continues when this communication error is generated Operation is stopped when this communication error is generated The monitoring ...

Page 82: ...cation error from the table below with key or key and confirm by pressing SEL Table 6 3 3 List of set values Set values Explanation Initial value Default setting Setting checking are not available if the setting of the changing of communication error is OFF to Sets monitoring time of communication error Setting range is 30 to 600 sec ...

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Page 84: ...PAN Tel 81 3 5207 8249 Fax 81 3 5298 5362 URL https www smcworld com Note Specifications are subject to change without prior notice and any obligation on the part of the manufacturer 2019 SMC Corporation All Rights Reserved Revision Rev B Jul 2019 ...

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