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HRX-OM-S010

Chapter 4 MODBUS communication function

4.10

Register Map

HRS100/150 Series

4-20

Bit

Name

Explanation

lar

m f
lag
3

Unused

Alarm given off status
0= Not occurred

1= Occurred

Unused

Compressor discharge temp. sensor
failure

Compressor discharge temp. rise

Unused

Dust-proof filter maintenance



Power stoppage

Compressor waiting

Fan failure



Unused

Compressor over current

Unused

Pump over current

Unused

lar

m f
lag
4

Air exhaust fan stoppage



Incorrect phase error

Phase board over current

Unused



1: These alarms do not occur on the product of the cooling method

‘-W’.





2: These alarms do not occur on the product of the cooling method

‘-A’.



3: These alarms do not occur on HRS200 series.

・

The current alarm flag bit assignment will be changed in the future due to the addition of
optional functions.

・

Unused bit is fixed to 0.

Summary of Contents for HRS100 Series

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: ...ignal 2 16 2 5 1 Run stop signal input Remote signal input 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 communi...

Page 4: ...5 1 1 Precautions after wiring and before communication 5 1 5 1 2 Precautions for communicating 5 2 5 1 3 Precautions after the completion of the communication 5 2 5 2 Communication specification 5 3...

Page 5: ...HRX OM S010 Chapter 1 Read before using HRS100 150 Series 1 1 Communication mode and operation method 1 3 6 3 1 Setting and checking items 6 2 6 3 2 Setting and checking 6 3...

Page 6: ...ontrol 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 rem...

Page 7: ...uct 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 se...

Page 8: ...he 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 communica...

Page 9: ...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 lat...

Page 10: ...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...

Page 11: ...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 Contac...

Page 12: ......

Page 13: ...t 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 pr...

Page 14: ...s 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...

Page 15: ...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...

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 no...

Page 17: ...pressing 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 Explanat...

Page 18: ...1 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 c...

Page 19: ...nput 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 Sett...

Page 20: ...ignal 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 ch...

Page 21: ...put 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 Setti...

Page 22: ...ion 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...

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 L...

Page 24: ...utput 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 o...

Page 25: ...selected 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...

Page 26: ...utput 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 o...

Page 27: ...lues 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...

Page 28: ...input 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 Use...

Page 29: ...N 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 inp...

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 ext...

Page 31: ...e 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 s...

Page 32: ...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...

Page 33: ...5 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 prepar...

Page 34: ...ts 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 produ...

Page 35: ...for 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...

Page 36: ...mit 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 se...

Page 37: ...ts 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 commun...

Page 38: ...th 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...

Page 39: ...tting 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...

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 chec...

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 nor...

Page 42: ...the 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 Fun...

Page 43: ...e 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 Info...

Page 44: ...t 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 comp...

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

Page 46: ...ss 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 Reques...

Page 47: ...te 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 tem...

Page 48: ...ultaneously 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...

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...

Page 50: ...plus 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 i...

Page 51: ...00Ah 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 Reserve...

Page 52: ...re 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 functi...

Page 53: ...bnormal pump operation 3 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 te...

Page 54: ...2 Compressor over current 13 Unused 14 Pump over current 15 Unused Alarm flag 4 0 Air exhaust fan stoppage 2 1 Incorrect phase error 2 Phase board over current 3 Unused 4 Unused 5 Unused 6 Unused 7 Un...

Page 55: ...erature 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 val...

Page 56: ......

Page 57: ...hall 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 a...

Page 58: ...ge 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...

Page 59: ...0bps 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...

Page 60: ...otocol 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 pr...

Page 61: ...firm 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 prot...

Page 62: ...ation 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...

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 communicati...

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 check...

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...

Page 66: ...g 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 S...

Page 67: ...sed 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 respon...

Page 68: ...st 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 Respons...

Page 69: ...or 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 inclu...

Page 70: ...ture 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 di...

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 o...

Page 72: ...ave 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 Commun...

Page 73: ...lave 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...

Page 74: ...W 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...

Page 75: ...C 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 Req...

Page 76: ...using 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...

Page 77: ...age 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 e...

Page 78: ...BCC 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 mess...

Page 79: ...ce 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 me...

Page 80: ...of 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...

Page 81: ...the 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 Initi...

Page 82: ...ication 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...

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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