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SMC Networks HRLE Series Operation Manual

Thermo-chiller
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HRX-OM-Z015
Operation Manual
Communication function
Thermo-chiller
HRLE Series
Keep this manual available whenever necessary
© 2021 SMC CORPORATION All Rights Reserved

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  • Page 1 HRX-OM-Z015 Operation Manual Communication function Thermo-chiller HRLE Series Keep this manual available whenever necessary © 2021 SMC CORPORATION All Rights Reserved...
  • Page 2 To 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

    Function code：04 Reading multiple registers ..............3-12 3.11.2 Function code：16 Writing multiple registers ..............3-14 3.12 N ....................3-15 EGATIVE RESPONSE 3.13 R ......................3-17 EGISTER 3.13.1 Circulating fluid discharge temperature ................3-18 3.13.2 Circulating fluid discharge pressur ..................3-18 3.13.3 Status flag ..........................3-18 HRLE Series...
  • Page 4 3.13.6 Circulating fluid set temperature ..................3-21 3.13.7 Operation instruction ......................3-22 3.13.8 Data instruction ........................3-23 Chapter 4 Communication alarm function ........4-1 ................. 4-1 OMMUNICATION ALARM OCCURS ................... 4-2 OMMUNICATION ALARM RESET ......................4-2 ETTING METHOD HRLE Series...

  • Page 5: Chapter 1 Read Before Using

    ●If using contact input/output communication, refer to chapter 2. ●If using serial communication , refer to chapter 3. HRLE Series 1.1 Operation mode and operation method...

  • Page 6: Operation Mode And Operation Method

    Reading of the external switch × × ○ Serial communication Run/Stop Circulating fluid × × ○ Serial communication temperature setting ○ ○ ○ Serial communication Condition reading 1 Only one external switch can be connected 1.1 Operation mode and operation method HRLE Series...

  • Page 7: Change Of Operation Mode

    Select the LOCAL in the touch panel Fig. 1-1 Opreration mode Contact input 3 Mode request signal Serial communication Mode request flag Operation LOCAL SERIAL SERIAL mode Fig.1-2 Mode switching by the mode request (ON state mixed) HRLE Series 1.2 Change of operation mode...

  • Page 8: Communication Terminal Block

    1.3 Communication Terminal Block The communication terminal block In the lower left of the electrical component box is used for communication. Fig.1-3 shows the location of the communication terminal block. Terminal block M4 Fig.1-3 Communication port 1.3 Communication Terminal Block HRLE Series...

  • Page 9: Operation Display Panel Flow

    HRX-OM-Z015 Chapter 1 Read before using 1.4 Operation display panel flow Fig.1-4 Communication setting operation panel flow HRLE Series 1.4 Operation display panel flow...
  • Page 10 HRX-OM-Z015 Chapter 1 Read before using Fig.1-5 Communication setting operation panel flow 1.4 Operation display panel flow HRLE Series...

  • Page 11: Chapter 2 Contact Input/Output Communication

    ○Check or set the Operation mode by the operation display panel. ・Operation mode shall be DIO. You can read also in the other mode, but you can not run / stop if it is not DIO mode. HRLE Series 2.1 Precautions for communication...

  • Page 12: Communication Specification

    (It can not be used for inductive load.) 1 : The total load current must be 500 mA or less. To use the power of the product, the total load current must be 200 mA or less. 2.2 Communication specification HRLE Series...
  • Page 13 COM of contact output signal 2 Output Contact output signal 3 Output TEMP READY signal(N.O type) *1 COM of contact output signal 3 Output DC24V output Output 24COM output Output 1 : It is possible to change the setting. HRLE Series 2.2 Communication specification...
  • Page 14 COM of contact output signal 1 Contact output signal 2:Alarm (Factory default) COM of contact output signal 2 Contact output signal 3:TEMP READY (Factory default) COM of contact output signal 3 DC24V DC24V output 24COM output 24COM Fig.2-1 Circuit diagram 2.2 Communication specification HRLE Series...

  • Page 15: Contact Input Signal

    OFF:Disabled, FLT:Operation stop, Alarm type WRN:Operation continue Lower line(Initial value) Upper line DELY INP.2 Delay time 0 to 300s Lower line(Initial value) Upper line OVER INP.2 Off detect time 0 to 10s Lower line(Initial value) HRLE Series 2.3 Contact input signal...

  • Page 16: Run/Stop・Run・Stop・External Switch Signal

    (2) The product stops operation when the contact input signal 2 is turned ON. (3) The product starts operation because the contact input signal 1 is turned ON although the contact input signal 2 is OFF. 2.3 Contact input signal HRLE Series...

  • Page 17: External Switch Signal

    “Off detect” time: sets the time between the detection of the contact input ・ OFF signal and the activation of the alarm. Table 2.3-2 Monitoring method for contact input signal “Delay” time Monitoring method 0sec Continuous monitoring 1 to 300sec Monitoring during operation HRLE Series 2.3 Contact input signal...
  • Page 18 You can select the operation of this product when an alarm occurs by the contact input signal. ・ [WRN]–––Continue operation of the product when an alarm occurs ・ [FLT]–––Stop operation of this product when an alarm occurs 2.3 Contact input signal HRLE Series...

  • Page 19: Contact Output Signal

    ※Refer to Table 2.4-2 Signal type Lower line(Initial value) Upper line A：A contact(Normally open) OUT.3 Contact Contact type output 3 B：B contact(Normally close) Lower line(Initial value) Upper line OUT.3 Alarm Alarm No. Lower line(Initial value) HRLE Series 2.4 Contact output signal...
  • Page 20 Output the input signal as it is Pass through signal of the contact input signal 2 Reverse output of the input signal Selected alarm occurrence : Close A.SEL Selected alarm status signal Selected alarm occurrence : Open 2.4 Contact output signal HRLE Series 2-10...
  • Page 21 AL63 Refrigerant circuit pressure (high pressure side) rise AL64 Power supply error AL65 Refrigerant circuit pressure (high pressure side) switch actuation AL66 Compressor inverter parameter error Refer to Operation Manual “Installation ･ Operation”. HRLE Series 2.4 Contact output signal 2-11...
  • Page 22 HRX-OM-Z015 Chapter 2 Contact input/output communication 2.4 Contact output signal HRLE Series 2-12...

  • Page 23: Chapter 3 Serial Communication

    ・1 controller : 1 product, or 1 controller: N products. In the latter case, up to 32 products can be connected. ・Both ends of the communication connection (the end nodes) need to be connected to the higher level computer. HRLE Series 3.1 Precautions wiring communication...

  • Page 24: Communication Specification

    Even parity Letter code ASCII character string (ASCII) / Binary data(RTU) Node type Device (Controller) Device address set range Select from 1 to 32 Error check LRC method (ASCII) / CRC method (RTU) ･ Default setting 3.3 Communication specification HRLE Series...

  • Page 25: Modbus Communication Function

    ・Reads the condition of the product. ・Reads the alarm generating condition of the product. ・The operation mode can be switched to "SERIAL" mode. ・You can reset the alarm. Refer to “3.13 Register Map” for the register of the product. HRLE Series 3.4 MODBUS communication function...

  • Page 26: Precautions For Communication

    Please check how many times it is possible to overwrite FRAM, and avoid unnecessary changes of the circulating fluid set temperature during communication 3.5 Precautions for communication HRLE Series...

  • Page 27: Setting Method

    It is a function to display the status of serial communication. Device address mismatch or register map of this product display relevant contents for communication nonconformities, such as accessing outside the area. The table3.6-2 shows the display and its contents HRLE Series 3.6 Setting method...

  • Page 28: Communication Sequence

    Returns a negative message when the received request message is not normal. Refer to ‘’3.12 Negative response’’. ●No response No response is returned when there is an error in “device address specification” or ”Checksum(LRC / CRC)”. No response 3.7 Communication sequence HRLE Series...

  • Page 29: Message Configuration

    Depending on the function, the address and the number of the register, the value of reading/writing are assigned. e) LRC LRC method Refer to ‘’3.10.1 ’’. LRC(ASCII) f) END The end of the message. [CR](0Dh)＋[LF](0Ah) HRLE Series 3.8 Message configuration...
  • Page 30 Depending on the function, the address and the number of the register, the value of reading/writing are assigned. e) CRC CRC method. Refer to “3.10.2 ”. CRC(RTU) f )End 3.5 characters of silent interval indicates the end of a message. 3.8 Message configuration HRLE Series...

  • Page 31: Function Codes

    ○Device Address : No.1 ○Function : No.16 ○Writing address : 0040h ○Writing data : 00EAh Classification Contents calculation result LRC message for 0110004000EA calculation Calculation Added for each 8Byte 01h+10h+00h+40h+00h+EAh=13Bh complement of 2 CFh(LRC) 3Bh→CEh→CFh Sending message [:]0110004000EACF[CR][LF] HRLE Series 3.9 Function codes...

  • Page 32: Crc(Rtu)

    0 0 0 0 0 0 0 1 bit shift in the lowest direction … 0 0 0 … 0 0 0 0 Add 0 to the top If it is 0, do not ExOR 3.10 Checksum calculation method HRLE Series 3-10...
  • Page 33 Perform (6) for 6th value (00EAh) and then, perform (5). (CRC) Addition to the 0110004000EA4052 1 sent message 1 When incorporating it into the message, set it in order of low byte and high byte. HRLE Series 3.10 Checksum calculation method 3-11...

  • Page 34: Explanation Of Function Codes

    “0”,“4” Function 0x04 0x04 “0”,“0”,“3”,“0” Head address of specified register 0x0030 0x00,0x30 “0”,“0”,“1”,“0” Quantity of register to read 0x0010 0x00,0x10 “B”,”B” Checksum ASCII:LRC RTU:CRC 0xF1,0xC9 Trailer CR/LF None Total quantity of byte 3.11 Explanation of function codes HRLE Series 3-12...
  • Page 35 0x0000 0x00,0x00 “0”,“0”,“0”,“0” Information of 003Eh (Alarm flag 4) 0x00,0x00 0x0000 “0”,“0”,“0”,“0” Information of 003Fh (Alarm flag 5) 0x0000 0x00,0x00 “1”,”3” Checksum ASCII:LRC RTU:CRC 0x93,0xF1 Trailer CR/LF None Total quantity of byte HRLE Series 3.11 Explanation of function codes 3-13...

  • Page 36: Function Code：16 Writing Multiple Registers

    Function 0x10 0x10 “0”,“0”,“4”,“0” Head address of register to write 0x0040 0x00,0x40 “0”,“0”,“0”,“3” Quantity of register to write 0x0003 0x00,0x03 “A”,”C” Checksum ASCII:LRC RTU:CRC 0x81,0xDC Trailer CR/LF None Total quantity of byte 3.11 Explanation of function codes HRLE Series 3-14...

  • Page 37: Negative Response

    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. HRLE Series 3.12 Negative response 3-15...
  • Page 38 “0”,“1” Device Address 0x01 0x01 “8”,“4” Function (03h+80h) 0x84 0x84 Error Code “0”,“2” 0x02 0x02 (Specified register address is out of range.) “7”,“9” Checksum ASCII:LRC RTU:CRC 0xC2,0xC1 Trailer CR/LF None Total quantity of byte 3.12 Negative response HRLE Series 3-16...

  • Page 39: Register Map

    0043h Data instruction  1 Data display(Refer to 3.13.5 Data display)  2 Negative numbers are two's complement representation  3 Operation instruction(Refer to 3.13.7 Operation instruction) 4 Data instruction(Refer to 3.13.8 Data instruction) HRLE Series 3.13 Register Map 3-17...

  • Page 40: Circulating Fluid Discharge Temperature

    0= Condition isn’t formed 1= Condition is formed (TEMP READY)flag － None － None － None － None － None － None － None － None － None － None Anti-freezing setting status Anti-freezing flag 0= Unset 1= During setting 3.13 Register Map HRLE Series 3-18...

  • Page 41: Alarm Flag

    9 Refrigerant circuit pressure (high pressure side) sensor failure（PS2） 10 Refrigerant circuit pressure (low pressure side) sensor failure（PS3） 11 Reservation 12 Reservation 13 Reservation 14 Contact input 1 signal detection 15 Contact input 2 signal detection HRLE Series 3.13 Register Map 3-19...
  • Page 42 5 Reservation 6 Reservation Alarm given off status 7 Reservation Alarm flag 5 0= Not occurred 8 Reservation 1= Occurred 9 Reservation 10 Reservation 11 Reservation 12 Reservation 13 Reservation 14 Reservation 15 Reservation 3.13 Register Map HRLE Series 3-20...

  • Page 43: Data Display

    If it is lower than the lower limit, the circulating fluid set temperature is changed to the lower limit value. HRLE Series 3.13 Register Map 3-21...

  • Page 44: Operation Instruction

    After that, even if it changes to 0, it keeps SERIAL mode. “1.2 For details, Refer to Change of operation mode”) Alarm reset flag Alarm reset can be performed by changing the alarm reset flag from 0 to 1 in SERIAL mode. 3.13 Register Map HRLE Series 3-22...

  • Page 45: Data Instruction

    Data instruction 1 Numeric value Description None Circurating fluid return temperature Circulating fluid electrical conductivity Pressure of high pressure refrigerant circuit None Circurating fluid return temperature Circulating fluid electrical conductivity Pressure of high pressure refrigerant circuit HRLE Series 3.13 Register Map 3-23...
  • Page 46 0x01 0x01 “1”,“0” Function 0x10 0x10 “0”,“0”,”4”,”3” Address of register to write 0x0043 0x00,0x43 “0”,“0”,“0”,“1” Information of register to write 0x0001 0x00,0x01 “A”,“B” Checksum ASCII:LRC RTU:CRC 0xF0,0x1D Trailer CR/LF None Total quantity of byte 3.13 Register Map HRLE Series 3-24...
  • Page 47 Quantity of bytes to read 0x02 0x02 “0”,“0”,“F”,“A” Information of 0038h (Data display 1) 0x00FA 0x00,0xFA “F”,”F” Checksum ASCII:LRC RTU:CRC 0x39,0x73 Trailer CR/LF None Total quantity of byte Response message at a circurating fluid return temperature of 25.0℃ HRLE Series 3.13 Register Map 3-25...

  • Page 49: Chapter 4 Communication Alarm Function

    Write or read Monitoring 60 sec. time Passage of 180 sec. Excess at no 60 sec. Broken communication wire monitoring time. coming 60 sec. AL19 Communication alarm is generated. Operation continues Fig. 4-1 Communication alarm example HRLE Series 4.1 Communication alarm occurs...

  • Page 50: Communication Alarm Reset

    Write or read ： ： Fig. 4-2 Communication alarm restoration example 4.3 Setting method Set of serial communication is done from “1.4 Operation display panel ” (Communicataion menu). flow Refer to 3.6 setting method. 4.2 Communication alarm reset HRLE Series...
  • Page 52 Revision 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. © 2021 SMC Corporation All Rights Reserved...

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