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HRX-OM-Q033

Chapter 4 MODBUS communication function

HRSH Series

4.10

Register Map

4-21

4.10.7 Circulating fluid set temperature

The circulating fluid set temperature can be set by specifying the circulating
fluid set temperature with the selected temperature 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 start command
during SERIAL mode.

0=Run stop

1=Run start

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Summary of Contents for HRSH Series

Page 1: ...No HRX OM Q033 E Operation Manual Communication function Thermo chiller HRSH Series Keep this manual available whenever necessary 2019 SMC CORPORATION All Rights Reserved...

Page 2: ...n 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...

Page 3: ...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 Connecte...

Page 4: ...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 Setti...

Page 5: ...HRX OM Q033 Contents HRSH Series 6 3 2 Setting and checking 6 3...

Page 6: ......

Page 7: ...rol 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...

Page 8: ...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 selec...

Page 9: ...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 communicatio...

Page 10: ...eset 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 supp...

Page 11: ...gnal 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 se...

Page 12: ...lay 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 i...

Page 13: ...ignal 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 produ...

Page 14: ...he 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...

Page 15: ...gnal 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...

Page 16: ...ading 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 S...

Page 17: ...ssing 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...

Page 18: ...hen 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 comm...

Page 19: ...t 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...

Page 20: ...al 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 check...

Page 21: ...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...

Page 22: ...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 ti...

Page 23: ...reen 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...

Page 24: ...ut 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 outp...

Page 25: ...ected 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 unl...

Page 26: ...ut 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 outp...

Page 27: ...s 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 ra...

Page 28: ...ut 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 E...

Page 29: ...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...

Page 30: ...ternal 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 extern...

Page 31: ...ignals 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 supp...

Page 32: ...tus 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...

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...

Page 34: ...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...

Page 35: ...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 co...

Page 36: ...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 b...

Page 37: ...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 communica...

Page 38: ...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...

Page 39: ...ng 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...

Page 40: ...fault 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 checkin...

Page 41: ...sitive 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...

Page 42: ...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 Functi...

Page 43: ...ode 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 Informa...

Page 44: ...upported 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 compare...

Page 45: ...onsecutive data from register 0000h Read circulating fluid discharge temperature circulating fluid discharge pressure status information alarm information Request message Response message Code Content...

Page 46: ...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 m...

Page 47: ...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 temper...

Page 48: ...aneously 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...

Page 49: ...ave 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 spe...

Page 50: ...s 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 n...

Page 51: ...h 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...

Page 52: ...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 Anti snow coverage function...

Page 53: ...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 di...

Page 54: ...12 Compressor breaker trip 2 13 Compressor inverter error 14 Pump breaker trip 2 15 Pump inverter error Alarm flag 4 0 Air exhaust fan stoppage 3 1 Unused 2 Unused 3 Unused 4 Unused 5 Unused 6 Unused...

Page 55: ...ture 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...

Page 56: ......

Page 57: ...l 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...

Page 58: ...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 req...

Page 59: ...s 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 add...

Page 60: ...col 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 proto...

Page 61: ...m 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 protoco...

Page 62: ...on 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 dis...

Page 63: ...ailable 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...

Page 64: ...fault 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...

Page 65: ...itial 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 Se...

Page 66: ...re 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 Sett...

Page 67: ...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...

Page 68: ...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 m...

Page 69: ...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...

Page 70: ...e 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 disch...

Page 71: ...rculating 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 oper...

Page 72: ...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 Communica...

Page 73: ...e 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 Co...

Page 74: ...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 me...

Page 75: ...TX 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 Reques...

Page 76: ...ng 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...

Page 77: ...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 exam...

Page 78: ...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...

Page 79: ...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 metho...

Page 80: ...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 AL1...

Page 81: ...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...

Page 82: ...tion 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 th...

Page 83: ......

Page 84: ...AN 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 Corporati...

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