SMC Networks HRSH Series Operation Manual
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SMC Networks HRSH Series Operation Manual

Communication function, thermo chiller
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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

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  • 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 To the users Thank you for purchasing SMC’s Thermo chiller (hereinafter referred to as the “product”). For safety and long life of the product, be sure to read this operation manual (hereinafter referred to as the “manual”) and clearly understand the contents. ●...

  • Page 3: Table Of Contents

    4.5.1 Message format ........................4-8 4.5.2 Message example ....................... 4-9 Function codes ...................... 4-10 LRC ......................... 4-10 Explanation of function codes ................4-11 4.8.1 Function code：03 Reading multiple registers ..............4-11 4.8.2 Function code：06 Writing registers ................. 4-12 HRSH Series...
  • Page 4 Command:STR Saves data (W) ..................5-21 Negative response ....................5-22 Chapter 6 Communication alarm function ........6-1 Communication alarm occurs ................. 6-1 Communication alarm reset ..................6-2 Setting and checking ....................6-2 6.3.1 Setting and checking items ....................6-2 HRSH Series...
  • Page 5 HRX-OM-Q033 Contents 6.3.2 Setting and checking ......................6-3 HRSH Series...

  • Page 7: Chapter 1 Read Before Using

    4 for protocol specifications. ●If using simple communication protocol for serial communication, refer to chapter 3 for serial communication specifications first, then refer to chapter 5 for protocol specifications. HRSH Series 1.1 Communication mode and operation method...

  • Page 8: Communication Mode And Operation Method

    ○ ○ ○ ○ ○ Warming up function ○ ○ ○ ○ ○ ○ Snow coverage protect function 2: This function cannot be set on the products of the cooling method ‘-W’. 1.1 Communication mode and operation method HRSH Series...

  • Page 9: Communication Port

    The communication port at the back of the product is used for communication. Fig 1.2-1 Communication port shows the location of the communication port. Connector option Contact input/output(DIO) Serial communication used Connector for communication Connector communication. Used for DIO communication. Used RS-485/RS-232C. Fig 1.2-1 Communication port HRSH Series 1.2 Communication port...

  • Page 10: Key Operations

    Dust-proof filter Pump accumulated accumlated operating time reset *1 time reset Unused *1: [----] will be displayed on the SV displays in case of the products of the cooling method ‘-W’. Fig 1.3-1 Key operation (1/2) 1.3 Key operations HRSH Series...
  • Page 11 1 type maintenance of dustproof filter*1 *1: [----] will be displayed on the SV displays in case of the products of the cooling method ‘-W’. Fig 1.3-2 Key operation (2/2) HRSH Series 1.3 Key operations...

  • Page 12: Parameters

     ---- (AL.01) selected alarm Contact output signal function Contact output signal operation Contact output signal  ---- (AL.01) selected alarm 1: Regarding the detail of the default setting, refer to each reference page. 1.4 Parameters HRSH Series...

  • Page 13: Chapter 2 Contact Input/Output Communication

    Precautions after wiring and before communication ○Check or set the communication mode by the operation display panel. ・ Communication mode shall be DIO. Other modes can perform reading, but only DIO mode can perform writing. HRSH Series 2.1 Precautions for communication...

  • Page 14: Communication Specification

    Common of contact output signal 2 Remote status signal output ○ Output (N.O type) Contact output signal 2 Common of contact output signal 1 Run status signal output ○ Output (N.O type) Contact output signal 1 2.2 Communication specification HRSH Series...
  • Page 15 *2 When using with optional accessories, depending on the accessory, the allowable current of 24 VDC devices will be reduced. Refer to the operation manual of the optional accessories for details. Fig 2.3-1 Example of connector connection HRSH Series 2.3 Terminal block explanation...
  • Page 16 Sets alarm which is selected for contact output 3. Contact output signal [----] is displayed when the setting of the output signal ---- (AL.01) selected alarm of contact output3 is not selected alarm signal. 2.4 Setting and checking HRSH Series...
  • Page 17 If the communication mode is set to [DIO] first while the operating signal is input, the product will start and feed the circulating fluid before the details are set. For safety, set the communication mode to [DIO] after carrying out the setting below. HRSH Series 2.4 Setting and checking...
  • Page 18 Setting/checking are not available if the setting of contact input signal 1 is OFF. ○ Alternate signal  1 Momentary signal 1：Used when the setting of the contact input 1 is “Operation stop signal input”. 2.4 Setting and checking HRSH Series...
  • Page 19 Setting and checking are not available unless contact input signal 1 is external switch signal input (N.O. type or N.C. type). Setting of contact input signal 1 OFF detection timer Set range is 0 to 10sec. HRSH Series 2.4 Setting and checking...

  • Page 20: Setting And Checking

    Setting/checking are not available if the setting of contact input signal 2 is OFF. ○ Alternate signal  1 Momentary signal 1:Can be set when the setting of contact input signal 2 is "Run/Stop signal input" or "Remote signal" 2.4 Setting and checking HRSH Series...

  • Page 21: Setting And Checking

    Setting and checking are not available unless contact input singal 2 is external switch signal input(N.O. type or N.C. type). contact input signal 2 OFF Setting of detection timer. Set range is 0 to 10 sec. HRSH Series 2.4 Setting and checking...
  • Page 22 1: Anti-snow coverage function cannot be set on the products of the cooling method ‘-W’. Contact output signal 1 operation Setting and checking Press the [SEL] key once. The set screen of contact output signal 1 operation is displayed on the digital display. 2.4 Setting and checking HRSH Series 2-10...

  • Page 23: Setting And Checking

    Sets selection alarm. Set range is AL.01 to AL.49. Contact output 2 function Setting and checking Press the [SEL] key once. The set screen of contact output 2 function is displayed on the digital display. HRSH Series 2.4 Setting and checking 2-11...
  • Page 24 Select contact output 2 operation from the table below with [▲] key or [▼] key, and confirm by pressing “SEL”. Table 2.4-15 List of set values Initial value Set values Explanation (Default setting) ○ N.O type N.C type 2.4 Setting and checking HRSH Series 2-12...
  • Page 25 Sets selection alarm. Set range is AL.01 to AL.49. Contact output 3 function Setting and checking Press the [SEL] key once. The set screen of contact output 3 function is displayed on the digital display. HRSH Series 2.4 Setting and checking 2-13...
  • Page 26 Select contact output 3 operation from the table below with [▲] key or [▼] key, and confirm by pressing “SEL”. Table 2.4-18 List of set values Initial value Set values Explanation (Default setting) N.O type ○ N.C type 2.4 Setting and checking HRSH Series 2-14...
  • Page 27 Select communication mode【DIO】from the table below with [▲] key or [▼] key, and confirm by pressing “SEL”. Table 2.4-20 List of set values Initial value Set value Explanation (Default setting) ○ Sets LOCAL mode. Sets DIO mode. Sets SERIAL mode. HRSH Series 2.4 Setting and checking 2-15...

  • Page 28: Contact Input Signal

    The state changes when the input signal from the customer goes OFF. This signal operates while the product is stopped, and stops while the product is being operated. Maintain the ON condition for 300ms or longer. 300ms 300ms Run/stop signal input （ Momentar ） Product condition Stop 2.5 Contact input signal HRSH Series 2-16...
  • Page 29 This product cannot be controlled by the contact input. Remote signal is connected to either contact input signal 1 or contact input signal 2. This product cannot be controlled by the contact input. HRSH Series 2.5 Contact input signal 2-17...

  • Page 30: External Switch Signal Input

    The default setting is 0 sec. Set a time which is suitable for your application. ■Contact input N.O type or N.C. type can be selected for the external switch. Set the signal which is suitable for the external switch prepared by the customer. 2.5 Contact input signal HRSH Series 2-18...

  • Page 31: Contact Output Signal

    Contact output signal 2 output Alarm status signal Contact output signal 3 N.C type output Generation set Product condition (Set condition) Non generation (not set) Contact output signal (N.O type) Contact output signal (N.C type) HRSH Series 2.6 Contact output signal 2-19...
  • Page 32 When anti-snow coverage function is set, signal turns OFF. status output type 1: The signal can not output normally when selected momentary. 2: Anti-snow coverage function cannot be set on the products of the cooling method ‘-W’. 2.6 Contact output signal HRSH Series 2-20...

  • Page 33: Chapter 3 Serial Communication

    Circuit type Half duplex Half duplex Transmission type Start-stop 1 ／Simple communication protocol Protocol MODBUS terminal Select from with terminal resistance（120Ω）／Without terminal Terminal resistance resistance ： Default setting 1：Refer to Modicon Co. protocol specifications "PI-MBUS-300 Rev.J". HRSH Series 3.1 Precautions wiring communication...

  • Page 34: Connected Explanation

    ・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’’. Master This product Do not connect any wire to other PIN numbers. Fig 3.3-2 RS-232C connector connection 3.3 Connected explanation HRSH Series...

  • Page 35: Chapter 4 Modbus Communication Function

    (master) prepared by the customer. ○Check the slave address by the operation display panel. No response is returned when a request message is sent from a slave address other than those set in the product. HRSH Series 4.1 Precautions for communication...

  • Page 36: Precautions For Communicating

    Select from 9600bps／19200bps Data・bit length 7bit 1bit Stop・bit length Data transfer direction Parity Even parity Letter code ASCII mode Slave address set range Select from 1 to 99 address Error check LRC method ： Default setting 4.2 Communication specification HRSH Series...

  • Page 37: Setting And Checking

    1 (----) 　　　 　　　 (MODBUS) 　 is not MODBUS. Communication Sets communication speed of MODBUS speed protocol. [----] is displayed when the setting of 19.2 (----) (MODBUS) serial protocol is not MODBUS. HRSH Series 4.3 Setting and checking...

  • Page 38: Setting And Checking

    “external switch signal” or contact input 2 is “remote signal”, “SERIAL mode” cannot be set. Serial protocol Setting and checking Press the [SEL] key once. The set screen of serial protocol is displayed on the digital display. 4.3 Setting and checking HRSH Series...
  • Page 39 Select RS-485 terminal from the table below with [▲] key or [▼] key, and confirm by pressing “SEL”. Table 4.3-5 List of set values Initial value Set values Explanation (Default setting) ○ Without terminal With terminal HRSH Series 4.3 Setting and checking...
  • Page 40 Select communication speed (MODBUS) from the table below with [▲] key or [▼] key, and confirm by pressing “SEL”. Table 4.3-7 List of set values Initial value Set values Explanation (Default setting) Setting/checking are not available unless the serial protocol setting is MODBUS. 9600bps ○ 19200bps 4.3 Setting and checking HRSH Series...

  • Page 41: Communication Sequence

    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 No response “slave address specification” or ”LRC”. HRSH Series 4.4 Communication sequence...

  • Page 42: Message Configuration

    Refer to ‘’4.7 LRC’’. 6) END The end of the message. [CR](0Dh)＋[LF](0Ah) A response message will not be returned unless the request includes [:] and [CR][LF]. This product clears all previously received code when [:] is received. 4.5 Message configuration HRSH Series...

  • Page 43: Message Example

    Quantity of register to read discharge temperature: 23.8  Request message (Master to Slave) Start Slave Address Function Data Read Address Quantity to Read  Response message (Slave to Master) Start Slave Address Function Data Read Data1 Byte Count HRSH Series 4.5 Message configuration...

  • Page 44: Function Codes

    Add up the byte number of the message consisting of 8 consecutive bits. The result except the carry (overflow) is converted to 2’s complement.  Calculation example LRC message for calculation ]0106000B00FE ○Addition Calculation 01h＋06h＋00h＋0Bh+00h+FEh＝110h ○Object 110h→10h ○complement of 2 10h→EFh→F0h LRC is F0h Sending message [:]0106000B00FEF0[CR][LF] 4.6 Function codes HRSH Series 4-10...

  • Page 45: Explanation Of Function Codes

    Information of 0002h (circulating fluid 000D discharge pressure) 0000 Information of 0003h (Reserved) 0201 Information of 0004h (Status flag) 0000 Information of 0005h (Alarm flag 1) 0000 Information of 0006h (Alarm flag 2) HRSH Series 4.8 Explanation of function codes 4-11...

  • Page 46: Function Code：06 Writing Registers

    Code Contents Slave Address Slave Address Function Function 000C Address of specified register 000C Address of register to write 0001 Information written to 000Ch (Stop flag) 0001 Information of register to write 4.8 Explanation of function codes HRSH Series 4-12...

  • Page 47: Function Code：16 Writing Multiple Registers

    Quantity of register to write 0002 Quantity of register to write Quantity of byte to read 018F Information written to 000Bh (Circulating fluid set temperature) 0001 Information written to 000Ch (Stop flag) HRSH Series 4.8 Explanation of function codes 4-13...

  • Page 48: Function Code：23 Reading/Writing Multiple Registers

    Write Address Quantity to Write Write Data1 Write Data n Byte Count  Response message <Normal> (Slave to Master) Start Slave Address Function Data [CR] [LF] Read Data1 Read Data n Byte Count 4.8 Explanation of function codes HRSH Series 4-14...
  • Page 49 Quantity of register to write 0000 Information of 0006h (Alarm flag 2) Quantity of byte to write Information written to 000Bh (Circulating 009B fluid set temperature) 0001 Information written to 000Ch (Stop flag) HRSH Series 4.8 Explanation of function codes 4-15...

  • Page 50: Negative Response

    Code Contents Code Contents Slave Address Slave Address Function Function (03h+80h) Error Code (Specified register address is 0100 Head address of register out of range out of range.) 0007 Quantity of register to read 4.9 Negative response HRSH Series 4-16...

  • Page 51: Register Map

    Read the circulating fluid discharge pressure in the selected pressure unit (MPa or PSI). 4.10.4 Circulating fluid electric conductivity Read the circulating fluid electric conductivity. In case of [SE.19 Electric conductivity sensor setting] is off, value is 0 [microS/cm]. HRSH Series 4.10 Register Map 4-17...

  • Page 52: Status Flag

    Reset after power cut flag 0= Not set 1= Set Anti-freezing set status Anti-freezing flag 0= Not set 1= Set Unused 1: Anti-snow coverage function cannot be set on the products of the cooling method ‘-W’. 4.10 Register Map HRSH Series 4-18...

  • Page 53: Alarm Flag

    Circulating fluid discharge pressure sensor failure Compressor discharge pressure sensor failure Compressor suction pressure sensor failure Pump maintenance  1 Fan maintenance Compressor maintenance Contact input 1 signal detection Contact input 2 signal detection HRSH Series 4.10 Register Map 4-19...
  • Page 54 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 power specification '-20'. 3: These alarms do not occur on the product of the cooling method ‘-A’. 4.10 Register Map HRSH Series 4-20...

  • Page 55: Circulating Fluid Set Temperature

    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 HRSH Series 4.10 Register Map 4-21...

  • Page 57: Chapter 5 Simple Communication Protocol Function

    (RO or RW) to synchronize the product with the host computer (master) prepared by the customer. ○Check the slave address of this product. No response is returned when a request message is sent from a slave address other than those set in the product. HRSH Series 5.1 Precautions for communication...

  • Page 58: Precautions For Communicating

    (STR) before cutting the power supply to the product. Please check how many times it is possible to write to FRAM, and avoid unnecessary rewriting of the data during communication 5.1 Precautions for communication HRSH Series...

  • Page 59: Communication Specification

    Select from RW(can read and write data) Select from with BCC , without BCC EXOR algorithm of all data from STX to ETX is read only when BCC Error check is selected. ： Default setting HRSH Series 5.2 Communication specification...

  • Page 60: Setting And Checking

    Communication Sets communication range simple range communication protocol. [----] is displayed (Simple when the setting of serial protocol is not simple ---- (RW) communication communication protocol. protocol) 5.3 Setting and checking HRSH Series...

  • Page 61: Setting And Checking

    “external switch signal” or contact input 2 is “remote signal”, “SERIAL mode” cannot be set. Serial protocol Setting and checking Press the [SEL] key once. The set screen of serial protocol is displayed on the digital display. HRSH Series 5.3 Setting and checking...
  • Page 62 Select RS-485 terminal from the table below with [▲] key or [▼] key, and confirm by pressing “SEL”. Table 5.3-5 List of set values Initial value Set values Explanation (Default setting) ○ Without terminal With terminal 5.3 Setting and checking HRSH Series...
  • Page 63 [▲] key or [▼] key, and confirm by pressing “SEL”. Table 5.3-7 List of set values Initial value Set values Explanation (Default setting) Setting/checking are not available unless the serial protocol setting simple communication protocol. 1200bps 2400bps 4800bps ○ 9600bps 19200bps HRSH Series 5.3 Setting and checking...
  • Page 64 [▼] key, and confirm by pressing “SEL”. Table 5.3-9 List of set values Initial value Set values Explanation (Default setting) Setting/checking are not available unless the serial protocol setting simple communication protocol. 7 bit ○ 8 bit 5.3 Setting and checking HRSH Series...
  • Page 65 “SEL”. Table 5.3-11 List of set values Initial value Set values Explanation (Default setting) Setting/checking are not available unless the serial protocol setting simple communication protocol. 1 bit ○ 2 bit HRSH Series 5.3 Setting and checking...
  • Page 66 Table 5.3-13 List of set values Initial value Set values Explanation (Default setting) Setting/checking are not available unless the serial protocol setting simple communication protocol. Only reading is available ○ Reading and writing are available 5.3 Setting and checking HRSH Series 5-10...

  • Page 67: Communication Sequence

    Refer to “5.9 Negative response’’. ●No response No response is returned when the slave No response address is specified or a command which is not supported is received. HRSH Series 5.4 Communication sequence 5-11...

  • Page 68: Message Configuration

    2-3) Response message (Response when a receiving error occurred) Slave Address [STX] [NAK] [ETX] Exception code Response is not returned unless STX and ETX (BCC) are included in the request. This product clears all previously received code when STX is received. 5.5 Message configuration HRSH Series 5-12...
  • Page 69 1 : Exception code “0” is included in the response regardless of the presence of the request error because memory error is present. 2 : The exception with the highest number is included in the response when two or more errors have occurred. HRSH Series 5.5 Message configuration 5-13...

  • Page 70: Message Example

    Circulating fluid discharge temperature [65h] BCC value 00187 Read information [0Fh] BCC value  Request message (Master to Slave) Slave Request Command Address  Response message (Slave to Master) Slave Command Reading data Address 5.5 Message configuration HRSH Series 5-14...

  • Page 71: Bcc

    SMC’s HRG/HRGC series thermo coolers. When not using this product as a replacement for HRG/HRGC, this function is not needed. Store the data Store the data to the product (Write to FRAM) HRSH Series 5.6 BCC 5-15...

  • Page 72: Command Explanation

    Code Contents Code Contents Slave Address Slave Address Request message to read [ACK] Normal response message Circulating fluid discharge temperature Circulating fluid discharge temperature [65h] BCC value 00187 Read information (18.7 [0Fh] BCC value 5.8 Command explanation HRSH Series 5-16...

  • Page 73: Command:sv1 Circulating Fluid Set Temperature (R)

    Code Contents Code Contents Slave Address Slave Address Request message to read [ACK] Normal response message Circulating fluid set temperature Circulating fluid set temperature [66h] BCC value 00258 Read information (25.8 [0Dh] BCC value HRSH Series 5.8 Command explanation 5-17...

  • Page 74: Command:sv1 Circulating Fluid Set Temperature (W)

    Request message Response message Code Contents Code Contents Slave Address Slave Address Request message to write [ACK] Normal response message Circulating fluid set temperature [06h] BCC value 00258 Write information (25.8 [5Ch] BCC value 5.8 Command explanation HRSH Series 5-18...

  • Page 75: Command:loc Key-Lock Setting (R)

    Request message Response message Code Contents Code Contents Slave Address Slave Address Request message to read [ACK] Normal response message Key-lock setting Key-lock setting [12h] BCC value 00001 Read information（00001：All locked） [77h] BCC value HRSH Series 5.8 Command explanation 5-19...

  • Page 76: Command:loc Key-Lock Setting (W)

    (Response)[STX] 01[ACK] [ETX] [06h] Request message Response message Code Contents Code Contents Slave Address Slave Address Request message to write [ACK] Normal response message Key-lock setting [06h] BCC value 00001 Read information (00001：All locked) [26h] BCC value 5.8 Command explanation HRSH Series 5-20...

  • Page 77: Command:str Saves Data (W)

    Data is sent and received in ASCII (Response)［STX］01［ACK][ETX][06h] code. Request message Response message Code Contents Code Contents Slave Address Slave Address Request message to write [ACK] Normal response message Saves data [06h] BCC value [02h] BCC value HRSH Series 5.8 Command explanation 5-21...

  • Page 78: Negative Response

    Code Contents Slave Address Slave Address Request message to write [NAK] Negative response message Circulating fluid set temperature Exception code for setting is prohibited 00258 Write information (15.1 [39h] BCC value [5Ch] BCC value 5.9 Negative response HRSH Series 5-22...

  • Page 79: Chapter 6 Communication Alarm Function

    Monitoring 60 sec. time Passage of 180 sec. Excess at no 60 sec. Broken communicatio wire n monitoring time. coming 60 sec. AL19 Communication error is generated. Operation continues Fig 6.1-1 Communication alarm example HRSH Series 6.1 Communication alarm occurs...

  • Page 80: Communication Alarm Reset

    No. AL19 “Communication error” is generated. The monitoring time Alarm signal is generated when the monitoring communication ---- (30) time is exceeded. Setting unit is 1 sec. error [----] is displayed when the communication error setting is OFF. 6.2 Communication alarm reset HRSH Series...
  • Page 81 The monitoring time of communication error Setting and checking Press the [SEL] key once. The set screen of the “monitoring time of communication error” is displayed on the digital display. HRSH Series 6.3 Setting and checking...
  • Page 82 Initial value Set values Explanation (Default setting) Setting/checking are not available if the setting of the changing of communication error is OFF. Sets monitoring time of communication error Setting range is 30 to 600 sec. 6.3 Setting and checking HRSH Series...
  • Page 84 Revision Rev.E：Jul.2019 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 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...

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