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SMC Networks HRL100-W-20 Series Operation Manual

Communication function, thermo chiller
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Operation Manual
Communication function
HRL100-A
HRL200-A
HRL300-A
Keep this manual available whenever necessary
Thermo Chiller
HRL Series
-20-
HRL100-W
-20-
HRL200-W
-20-
HRL200-W
HRX-OM-W069-B
-20-
-20-
-20-

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Summary of Contents for SMC Networks HRL100-W-20 Series

  • Page 1 HRX-OM-W069-B Operation Manual Communication function Thermo Chiller HRL Series     HRL100-A -20- HRL100-W -20-     HRL200-A -20- HRL200-W -20-     HRL300-A -20- HRL200-W -20- Keep this manual available whenever necessary...
  • 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

    HRX-OM-W069 Contents Contents Chapter 1 Read before using ............1-1 Operation mode and operation method ..............1-1 Change of operation mode ..................1-3 Communication port ....................1-4 Touch panel flow ..................... 1-5 Chapter 2 Contact input/output communication /Analog output communication ..................2-1 Precautions for communication ................
  • Page 4 HRX-OM-W069 Contents 3.13.1 Circulating fluid discharge temperature ................3-19 3.13.2 Circulating fluid electrical conductivity ................3-19 3.13.3 Circulating fluid discharge pressur ..................3-19 3.13.4 Circulating fluid flow rate ....................3-19 3.13.5 Status flag .......................... 3-19 3.13.6 Alarm flag........................... 3-20 3.13.7 Data display ........................

  • Page 5: Chapter 1 Read Before Using

    HRX-OM-W069 Chapter 1 Read before using Chapter 1 Read before using The communication of this device consists of contact input/output communication and analog output communication and serial communication. ・ The serial communication protocol is a MODBUS communication. Depending on the customer’s specification, communication can be changed to contact input/output communication or serial communication.
  • Page 6 HRX-OM-W069 Chapter 1 Read before using Table 1.1-1 Operation modes. Operation ode Explanation Contents Display Run / stop and circulating To display Set the operation LOCAL fluid temperature setting are the "LOCAL" mode to "LOCAL". possible with the touch panel. Run / stop by contact input.

  • Page 7: Change Of Operation Mode

    HRX-OM-W069 Chapter 1 Read before using 1.2 Change of operation mode There are the following methods to change the operation mode. Change by touch panel ・ Change by mode request ・ ■About mode request The mode request, is the ability to change the operation mode by the contact input or serial communication.

  • Page 8: Communication Port

    HRX-OM-W069 Chapter 1 Read before using 1.3 Communication port The communication port In the lower left of the electrical component box is used for communication. Fig.1-3 shows the location of the communication port. Serial communication connector D sub 9 female pin (socket) type Holding screw M2.6 x 0.45...

  • Page 9: Touch Panel Flow

    HRX-OM-W069 Chapter 1 Read before using 1.4 Touch panel flow Press the [Comm. Setting] on the menu, make the communication settings from the various setting screens. Menu Various screens 6. Setting for contact output signal 4 to 6 Communication error (AL34) 5.
  • Page 10 HRX-OM-W069 Chapter 1 Read before using 1.4 Touch panel flow HRL Series...

  • Page 11: Chapter 2 Contact Input/Output Communication /Analog Output Communication

    HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Chapter 2 Contact input/output communication /Analog output communication The device is equipped with a terminal which runs/stops the product. It is also equipped with a terminal which picks up operation signals, alarm signals and setting condition.

  • Page 12: Precautions After Wiring And Before Communication

    HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication ○Power supply To use the power of the product, the total load current must be 200mA or less. 2.1.2 Precautions after wiring and before communication ○Check or set the Operation mode by the touch panel. ・Operation mode shall be DIO.
  • Page 13 HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Table 2.2-3 Contact input/output communicatin /Analog output pin number Item Division Contents DC24V output － Output DC24V input － Input Run/Stop 1 Contact input signal 1 Input Contact input signal 3 Operation mode request signal (fix ) 2 Input Contact output signal 6...
  • Page 14 HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication When using this product's power supply, connect pin 1 to pin 2 and the COM side of each contact input signal to pin 14. This product side Customer system side DC +24V(output) DC24V DC +24V(input) EXT DC24V...

  • Page 15: Contact Input Signal

    HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Fig.2-1 Circuit diagram 2.3 Contact input signal There are 3 contact input signals. Two of them can be customized by the customer. 2.3.1 Setting of contact input signal type and form The type of contact input signal can be set from the “1.4 Touch panel flow”...
  • Page 16 HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Table 2.3-1 Setting of contact input signal form Indication Item Setting and selection 1 A contact (normally open) Contact type B contact (normally closed) 1 Alternate Signal Contact input Input 1 form signal 1 Momentary...

  • Page 17: Run/Stop・Run・Stop・External Switch Signal

    HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication 2.3.2 Run/stop・Run・Stop・External switch signal 1) Run/stop signal (Signal type: Alternate) The product keeps operating while the input signal from the customer is ON. 2) Run/stop signal (Signal type: Momentary) The state changes when the input signal from the customer goes ON. This signal operates while the product is stopped, and stops while the product is being operated.

  • Page 18: External Switch Signal

    HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication 4) Digital input signal 1 is for Run/Stop signal (Signal type: Alternate), digital input signal 2 is for external switch signal (Signal type: Alternate).Refer to Chapter 2.3.3 for details the external switch. Run/Stop signal O FF ②...
  • Page 19 HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Table 2.3-2 Monitoring method for contact input signal “Delay” time Monitoring method 0sec Continuous monitoring 1 to 300sec Monitoring during operation Operation start Operation stops due to the alarm. Run status of this product Signal reading start Stop...

  • Page 20: Contact Output Signal

    HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Table 2.3-3 Communication error, detection of contact input signal and operation setting Indication Item Setting and selection Setting range Disabled Alarm “AL34: Operation Comm. Waiting 30 to 600sec  Communication continues during 30sec Error time...

  • Page 21: Contact Output Signal 4 To 6

    HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Table 2.4-1 Setting of contact output signal 1 to 3 Indication Item Setting and selection Signal type A contact  Contact output Operation status (normally open) Output 1 signal 1 signal B contact (normally closed) A contact...
  • Page 22 HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Table 2.4-3 Signal type for contact output signal 4 to 6 Indication Item Contact type Explanation Normally open Disableing Normally closed Operation : closed Operation status signal Stop : closed DIO mode : closed DIO Mode DIO mode signal DIO mode : open...
  • Page 23 HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Table 2.4-4 List of alarm selection Alarm Indication Explanation AL01 CH1 Low Level FLT CH1 abnormal low tank fluid level AL02 CH1 Low Level WRN CH1 low tank fluid level AL03 CH2 Low Level FLT CH2 abnormal low tank fluid level AL04...

  • Page 24: Analog Output Signal

    HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication 1 Table 2.4-5 List of maintenance reminders Maintenance No. Indication Explanation MT01 CH1 Pump CH1 pump maintenance MT02 Compressor Compressor maintenance Fan maintenance MT033 Dustproof Filter Dust-proof filter maintenance MT043 MT05 CH2 DI Filter CH2 DI filter maintenance MT06...
  • Page 25 HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication Table 2.5-1 Setting of analog output signal Indication Item Setting, selection and display Output CH1 circulating fluid 0ºC to 100ºC: 0 to 10.0 V discharge temperature  CH2 circulating fluid Analog 0ºC to 100ºC: 0 to 10.0 V Analog output signal 1 Output 1...
  • Page 26 HRX-OM-W069 Chapter 2 Contact input/output communication /Analog output communication 2.5 Analog output signal HRL Series 2-16...

  • Page 27: Chapter 3 Serial Communication

    HRX-OM-W069 Chapter 3 Serial communication Chapter 3 Serial communication Serial communication (RS-485/RS232C) enables the remote control of run/start of the product, temperature setting and details of product condition, and alarm condition can be obtained. The operating state of the product (run/stop) and the temperature setting can be monitored by sending a request message made by the program of the controller computer (e.g.

  • Page 28: Communication Specification

    HRX-OM-W069 Chapter 3 Serial communication [Tips] ・1 master : 1 product, or 1 master: N products. 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. Master This product Do not connect any wire to other PIN numbers.

  • Page 29: Modbus Communication Function

    HRX-OM-W069 Chapter 3 Serial communication Table 3.3-2 Communication specification of MODBUS communication function Item Specification Select from EIA RS-485／RS-232C Standard Communication speed Select from 9600bps／19200bps Data・bit length 7bit(ASCII) / 8bit(RTU) Stop・bit length 1bit Data transfer direction Parity Even parity ASCII character string (ASCII) / Binary data(RTU) Letter code Device (Controller) Node type...

  • Page 30: Precautions For Communication

    HRX-OM-W069 Chapter 3 Serial communication 3.5 Precautions for communication 3.5.1 Precautions after wiring and before communication ○Check or set the each communication setting by the touch panel. ・The communication specification shall be the customer’s communication standard. ・The operation mode shall be the SERIAL mode. (When mode request flagis activated, SERIAL mode is selected.

  • Page 31: Setting Method

    HRX-OM-W069 Chapter 3 Serial communication 3.6 Setting method Set of serial communication is done from “1.4 Touch panel flow” (Refer to "2. Serial communication settings" screen). Serial communication setting Table 3.6-1 Setting of serial communication Indication Item Setting, selection and display Default setting ASCII code ○...
  • Page 32 HRX-OM-W069 Chapter 3 Serial communication Table 3.6-2 Communication status Communication setting Contents 8001 Normal message 4801 An abnormal number of data has been sent from the customer device. 4401 This product is trying to access to the outside address of the register map that support.Or trying to write to read-only address.

  • Page 33: Communication Sequence

    HRX-OM-W069 Chapter 3 Serial communication 3.7 Communication sequence Starts with a request message from the customer’s system (controller), and finishes with a response message from the product (device). This product operates as a device. It does not send any requests. Customer's system This product (host)
  • Page 34 HRX-OM-W069 Chapter 3 Serial communication Table 3.8-1 ASCII mode message frame b)Device e) Checksum a)Start c)Function d)Data f)End Address (LRC) [CR] [LF] ～ a) Start The start of the message. [:](3Ah) (ASCII) b) Device Address This is a number to identify this product. “1" is the default setting. This can be changed by the touch panel.

  • Page 35: Function Codes

    HRX-OM-W069 Chapter 3 Serial communication d) Data 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. 3.9 Function codes Table 3.9-1 shows function codes to read or write register.

  • Page 36: Crc(Rtu)

    HRX-OM-W069 Chapter 3 Serial communication Classification Contents calculation result LRC message for 0106004000EA calculation Calculation Added for each 8Byte 01h+06h+00h+40h+00h+EAh=131h complement of 2 CFh(LRC) 31h→CEh→CFh Sending message [:]0106004000EACF[CR][LF] 3.10.2 CRC(RTU) CRC checks the content of the message. The sending side calculates the data every 2 bytes (16 bits).
  • Page 37 HRX-OM-W069 Chapter 3 Serial communication ◼ Calculation example Example) Change circulating fluid set temperature 23.4 ° C Sending data 0106004000EA ○Device Address : No.1 ○Function : No.06 ○Writing address : 0040h ○Writing data : 00EAh Data No. 1st value 2nd value 3rd value 4th value 5th value...

  • Page 38: Explanation Of Function Codes

    HRX-OM-W069 Chapter 3 Serial communication 3.11 Explanation of function codes 3.11.1 Function code：04 Reading multiple registers Register data of assigned points from assigned address is read. ■ Communication example ○Device Address : No.1 ○Read 16 pieces data from register 0030h. ⚫...
  • Page 39 HRX-OM-W069 Chapter 3 Serial communication Response message 01042000C800FA000000C8002D003201C2006400000000000000000031000000000000 ASCII mode RTU mode Example Field name character data binary data (HEX) Header “:” None Device Address 0x01 “0”,“1” 0x01 Function 0x04 “0”,“4” 0x04 Quantity of bytes to read 0x20 “2”,“0” 0x20 Information of 0030h 0x00C8 “0”,“0”,“C”,“8”...

  • Page 40: Function Code：06 Writing Registers

    HRX-OM-W069 Chapter 3 Serial communication 3.11.2 Function code：06 Writing registers Write data to assigned address. ■Communication example ○Device Address : No.1 ○Write data to register 0042Ch (The mode request indication) Request message 010600420002 ASCII mode RTU mode Example Field name character data binary data (HEX)

  • Page 41: Function Code：16 Writing Multiple Registers

    HRX-OM-W069 Chapter 3 Serial communication 3.11.3 Function code：16 Writing multiple registers Register content of assigned points of assigned address is written. ■ Communication example ○Device Address : No.1 ○Write three consecutive data from register 0040h. ⚫ CH1 Change of circulating fluid set temperature [23.5℃] ⚫...

  • Page 42: Negative Response

    HRX-OM-W069 Chapter 3 Serial communication 3.12 Negative response A negative response is returned when the following request message is received. 1) When unspecified function code is used. 2) An address out of range is specified. 3) The data field is not normal. ◼...
  • Page 43 HRX-OM-W069 Chapter 3 Serial communication ■ Communication example ○Device Address : No 1 ○Read seven consecutive data from register 0100h which is out of range . Request message 010401000007 ASCII mode RTU mode Example Field name character data binary data (HEX) Header “:”...

  • Page 44: Register Map

    HRX-OM-W069 Chapter 3 Serial communication 3.13 Register Map Address Contents value Decimal number : -327.6 to 327.6℃ CH1 Circulating fluid 0030h Hexadecimal number : F334h to 0CCCh discharge temperature (0.1℃/dig) Decimal number : -327.6 to 327.6℃ CH2 Circulating fluid 0031h Hexadecimal number : F334h to 0CCCh discharge temperature (0.1℃/dig)

  • Page 45: Circulating Fluid Discharge Temperature

    HRX-OM-W069 Chapter 3 Serial communication 3.13.1 Circulating fluid discharge temperature To notify the circulating fluid discharge temperature of the product. (°C or °F). Read the circulating fluid discharge temperature which is displayed on the touch panel. (Offset temperature is displayed if offset function is set).

  • Page 46: Alarm Flag

    HRX-OM-W069 Chapter 3 Serial communication Startup operation setting status Startup operation flag 0= Unset 1= During setting Anti-freezing setting status Anti-freezing flag 0= Unset 1= During setting 3.13.6 Alarm flag Each type of alarm which occurs in the product is read with the following assignment.

  • Page 47: Data Display

    HRX-OM-W069 Chapter 3 Serial communication Reservation Communication error Outside of the ambient temperature range Maintenance alarm Compressor circuit failure Sensor failure Controller failure Alarm given off status Compressor inverter error 0= Not occurred Compressor inverter communication error 1= Occurred CH1 pump inverter error CH1 pump inverter communication error CH2 pump inverter error CH2 pump inverter communication error...

  • Page 48: Operation Instruction

    HRX-OM-W069 Chapter 3 Serial communication 3.13.9 Operation instruction Name Operation instruction 15 14 13 12 11 10 Name Explanation Operation Start /Stop Operation Start Command 0= Operation Stop 1= Operation Start Mode request Mode request flag 0= None 1= Yes Alarm reset Alarm reset flag 0= None 1= Yes...
  • Page 49 HRX-OM-W069 Chapter 3 Serial communication Name Data instruction 4 Data instruction 3 Data instruction 2 Data instruction 1 Description Numeric value None Ambient temperature External tuning temperature CH1 heat exchanger inlet temperature Notice for maintenance Pressure of high pressure refrigerant circuit None Ambient temperature External tuning temperature...
  • Page 50 HRX-OM-W069 Chapter 3 Serial communication ■ Communication example When reading the ambient temperature to the data display 1 ○ ○Device Address : No.1 ○Function code 6 : Write one data to 0043 h (Set ambient temperature to data instruction 1.) Request message 010600430001 ASCII mode RTU mode...
  • Page 51 HRX-OM-W069 Chapter 3 Serial communication ● Function code 4 : Read one data of 0038 h (Read out the ambient temperature of data display 1.) Request message 010400380001 ASCII mode RTU mode Example Field name character data binary data (HEX) Header “:”...

  • Page 53: Chapter 4 Communication Alarm Function

    HRX-OM-W069 Chapter 4 Communication alarm function Chapter 4 Communication alarm function Monitors whether the serial communication is sent/received properly between the product and the customer’s device. This feature is only valid when the operation mode is set to SERIAL mode. Abnormal signals or disconnection of the communication cable can be notified immediately by setting the alarm function to match the interval at which messages are sent from the customer device.

  • Page 54: Communication Alarm Reset

    HRX-OM-W069 Chapter 4 Communication alarm function 4.2 Communication alarm reset When AL34 communication error has been generated, the alarm is automatically reset when the disconnection of the communication cable is fixed, and the message from the customer is received. If operation is set to stop when a communication alarm occurs, restart the operation if necessary.
  • Page 56 Revision history Rev.B：Dec.2024 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. © SMC Corporation All Rights Reserved...

This manual is also suitable for:

Hrl100-a-20 seriesHrl seriesHrl200-a-20 seriesHrl200-w-20 seriesHrl300-a-20 series

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