SMC Networks HRL100-A-20 Operation Manual
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SMC Networks HRL100-A-20 Operation Manual

Thermo-chiller
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Operation Manual
Communication function
Air-Cooled refrigerated type
HRL100-A-20/40
HRL200-A-20/40
HRL300-A-20/40
HRL400-A-40
Keep this manual available whenever necessary
Thermo-chiller
Water-Cooled refrigerated type
HRL100-W-40
HRL200-W-40
© 2022 SMC CORPORATION All Rights Reserved
HRX-OM-Y120-C

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  • Page 1 HRX-OM-Y120-C Operation Manual Communication function Thermo-chiller Air-Cooled refrigerated type Water-Cooled refrigerated type HRL100-A-20/40 HRL100-W-40 HRL200-A-20/40 HRL200-W-40 HRL300-A-20/40 HRL400-A-40 Keep this manual available whenever necessary © 2022 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

    HRX-OM-Y120 Contents Contents Chapter 1 Read before using ............1-1 Operation mode and operation method ..............1-2 Change of operation mode ..................1-3 Communication port ....................1-5 Touch panel flow ..................... 1-6 Chapter 2 Contact input/output communication/Analog output communication ..............2-1 Precautions for communication ................
  • Page 4 HRX-OM-Y120 Contents 3.13 Register Map ......................3-18 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 .......................... 3-20 3.13.6 Alarm flag...........................
  • Page 5 HRX-OM-Y120 Contents 5.12.13 Control board program number ..................5-17 5.12.14 Control board program version ..................5-17 5.12.15 Display program number ....................5-17 5.12.16 Display program version ....................5-17 HRL Series...
  • Page 6 HRX-OM-Y120 Contents HRL Series...

  • Page 7: Chapter 1 Read Before Using

    HRX-OM-Y120 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,Ethernet Modbus/TCP communication. ・ The serial communication protocol is a Modbus communication. ・ The Ethernet communication protocol is a Modbus /TCP.

  • Page 8: Operation Mode And Operation Method

    HRX-OM-Y120 Chapter 1 Read before using 1.1 Operation mode and operation method LOCAL, DIO and SERIAL are available as the operation modes. Table 1.1-1 explains the operation modes. The default setting is LOCAL. The operation method depends on the operation mode. Table 1.1-2 shows how the operation mode and method of operation are related.

  • Page 9: Change Of Operation Mode

    HRX-OM-Y120 Chapter 1 Read before using Table 1.1-2 Operation mode and operation Operation mode SERIAL Ethernet LOCAL Operation Run/Stop Run/Stop ○ × × × × × Touch panel Run/Stop Circulating fluid ○ ○ × × × × Touch panel temperature setting Settings other than ○...
  • Page 10 HRX-OM-Y120 Chapter 1 Read before using Contact input３ Mode request signal Serial communication Mode request flag Ethernet communication Mode request flag Operation mode LOCAL SERIAL Ethernet LOCAL Select the LOCAL in the touch panel Fig. 1-1 Mode switching by the mode request (Standard) Contact input３...

  • Page 11: Communication Port

    HRX-OM-Y120 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. RJ45 Contact input / output signal connector D sub 25 female pin (socket) type Serial communication...

  • Page 12: Touch Panel Flow

    HRX-OM-Y120 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. Various screens Menu 7. Setting for Ethernet communication 6. Setting for contact output signal 4 to 6 Communication error (AL34) 5.

  • Page 13: Chapter 2 Contact Input/Output Communication/Analog Output Communication

    HRX-OM-Y120 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. The device starts contact input/output communication according to the setting of the operation display panel.

  • Page 14: Precautions After Wiring And Before Communication

    HRX-OM-Y120 Chapter 2 Contact input/output communication/Analog output communication 2.1.2 Precautions after wiring and before communication ○Check or set the Operation mode by the touch 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.
  • Page 15 HRX-OM-Y120 Chapter 2 Contact input/output communication/Analog output communication Item Division Factory default － DC24V output Output － DC24V input Input Run/Stop 1 Contact input signal 1 Input Contact input signal 3 Input Operation mode request signal (fix )2 Contact output signal 6 Output OFF1 Contact output signal 1...
  • Page 16 HRX-OM-Y120 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 17: Contact Input Signal

    HRX-OM-Y120 Chapter 2 Contact input/output communication/Analog output communication 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” (Refer to "4.
  • Page 18 HRX-OM-Y120 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 [Off]...

  • Page 19: Run/Stop・Run・Stop・External Switch Signal

    HRX-OM-Y120 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. Run/stop signal （Alternate） Product condition Stop 2) Run/stop signal (Signal type: Momentary) The state changes when the input signal from the customer goes ON.

  • Page 20: External Switch Signal

    HRX-OM-Y120 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 of the external switch. Run/Stop signal O FF ②...
  • Page 21 HRX-OM-Y120 Chapter 2 Contact input/output communication/Analog output communication Operation start Operation stops due to the alarm. Run status of this product Signal reading start Stop Alarm generation External switch "Off Detect" time "Delay" time “Delay” time and “off detect” time You can select the operation of this product when an alarm occurs by the contact input signal.

  • Page 22: Contact Output Signal

    HRX-OM-Y120 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 23: Contact Output Signal 4 To 6

    HRX-OM-Y120 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 Operation stop...
  • Page 24 HRX-OM-Y120 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 open Operation : closed Operation status signal Stop : closed DIO mode : closed DIO Mode DIO mode signal DIO mode : open...
  • Page 25 HRX-OM-Y120 Chapter 2 Contact input/output communication/Analog output communication Table 2.4-4 List of alarm selection Alarm No. 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 26: Analog Output Signal

    HRX-OM-Y120 Chapter 2 Contact input/output communication/Analog output communication Table 2.4-5 List of maintenance reminders 1 Maintenance No. Indication Explanation MT01 CH1 Pump CH1 pump maintenance MT02 Compressor Compressor maintenance MT03 4 Fan maintenance MT04 4 Dustproof Filter Dust-proof filter maintenance MT05 DI Filter CH2 DI filter maintenance...
  • Page 27 HRX-OM-Y120 Chapter 2 Contact input/output communication/Analog output communication 1 For option D1 “CH1 Electric conductivity control”, it can be set. 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 2 CH1 circulating fluid 0ºC to 100ºC: 0 to 10.0 V...
  • Page 28 HRX-OM-Y120 Chapter 2 Contact input/output communication/Analog output communication 2.5 Analog output signal HRL Series 2-16...

  • Page 29: Chapter 3 Serial Communication

    HRX-OM-Y120 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 host computer (e.g.

  • Page 30: Communication Specification

    HRX-OM-Y120 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. Controller Master This product...

  • Page 31: Modbus Communication Function

    HRX-OM-Y120 Chapter 3 Serial communication Table 3.3-2 Communication specification of Modbus communication function Item Specification Standard Select from EIA RS-485／RS-232C Communication speed Select from 9600bps／19200bps Data・bit length 7bit(ASCII) / 8bit(RTU) Stop・bit length 1bit Data transfer direction Parity Even parity Letter code ASCII character string (ASCII) / Binary data(RTU) Node type Slave (Controller)

  • Page 32: Precautions For Communication

    HRX-OM-Y120 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 33: Setting Method

    HRX-OM-Y120 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 ○...
  • Page 34 HRX-OM-Y120 Chapter 3 Serial communication Communication status Table 3.6-2 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 35: Communication Sequence

    HRX-OM-Y120 Chapter 3 Serial communication 3.7 Communication sequence Starts with a request message from the customer’s system (host), and finishes with a response message from the product (slave). This product operates as a slave. It does not send any requests. Customer's system This product (host)
  • Page 36 HRX-OM-Y120 Chapter 3 Serial communication Table 3.8-1 ASCII mode message frame b)Slave e) Checksum a)Start c)Function d)Data f)End Address (LRC) ～ [CR] [LF] a) Start The start of the message. [:](3Ah) (ASCII) b) Slave Address This is a number to identify this product. “1" is the default setting. This can be changed by the touch panel.

  • Page 37: Function Codes

    HRX-OM-Y120 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 38: Crc(Rtu)

    HRX-OM-Y120 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 39 HRX-OM-Y120 Chapter 3 Serial communication  Calculation example Example) Change circulating fluid set temperature 23.4 ° C Sending data 0106004000EA ○Slave 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 40: Explanation Of Function Codes

    HRX-OM-Y120 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 ○Slave Address : No.1 ○Read 16 pieces data from register 0030h. ...
  • Page 41 HRX-OM-Y120 Chapter 3 Serial communication Response message 01042000C800FA00C800C8002D003201C2006400000000000000000031000000000000 Example ASCII mode RTU mode Field name character data binary data (HEX) “:” Header None “0”,“1” Slave Address 0x01 0x01 “0”,“4” Function 0x04 0x04 “2”,“0” Quantity of bytes to read 0x20 0x20 Information of 0030h “0”,“0”,“C”,“8”...

  • Page 42: Function Code：06 Writing Registers

    HRX-OM-Y120 Chapter 3 Serial communication 3.11.2 Function code：06 Writing registers Write data to assigned address. ■Communication example ○Slave Address : No.1 ○Write data to register 0042Ch (The mode request indication) Request message 010600420002 Example ASCII mode RTU mode Field name character data binary data (HEX)

  • Page 43: Function Code：16 Writing Multiple Registers

    HRX-OM-Y120 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 ○Slave Address : No.1 ○Write three consecutive data from register 0040h.  CH1 Change of circulating fluid set temperature [23.5℃] ...

  • Page 44: Negative Response

    HRX-OM-Y120 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 45 HRX-OM-Y120 Chapter 3 Serial communication ■ Communication example ○Slave Address : No 1 ○Read seven consecutive data from register 0100h which is out of range . Request message 010401000007 Example ASCII mode RTU mode Field name character data binary data (HEX) “:”...

  • Page 46: Register Map

    HRX-OM-Y120 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 47: Circulating Fluid Discharge Temperature

    HRX-OM-Y120 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 48: Status Flag

    HRX-OM-Y120 Chapter 3 Serial communication 3.13.5 Status flag The status of the product is read by the following assignment. Status flag Name Status flag 15 14 13 12 Name Explanation Run status Run flag 0= Stop 1= Run Operation stop alarm given off status Operation stop alarm flag 0= Not occurred 1= Operation stop alarm given off...

  • Page 49: Alarm Flag

    HRX-OM-Y120 Chapter 3 Serial communication 3.13.6 Alarm flag Each type of alarm which occurs in the product is read with the following assignment. Name Alarm flag 1 15 14 13 12 Name Alarm flag 2 15 14 13 12 Name Explanation CH1 abnormal low tank fluid level CH1 low tank fluid level...

  • Page 50: Data Display

    HRX-OM-Y120 Chapter 3 Serial communication CH2 Low Flow FLT 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...

  • Page 51: Operation Instruction

    HRX-OM-Y120 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 52 HRX-OM-Y120 Chapter 3 Serial communication Name Data instruction 4 Data instruction 3 Data instruction 2 Data instruction 1 Numeric value Description 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 53 HRX-OM-Y120 Chapter 3 Serial communication ■ Communication example When reading the ambient temperature to the data display 1 ○ ○Slave Address : No.1 ○Function code 6 : Write one data to 0043 h (Set ambient temperature to data instruction 1.) Request message 010600430001 Example ASCII mode...
  • Page 54 HRX-OM-Y120 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 Example ASCII mode RTU mode Field name character data binary data (HEX) “:”...

  • Page 55: Chapter 4 Communication Alarm Function

    HRX-OM-Y120 Chapter 1 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 56: Communication Alarm Reset

    HRX-OM-Y120 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 57: Chapter 5 Ethernet Modbus / Tcp Communication

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication Chapter 5 Ethernet Modbus / TCP communication Remote control of the operation and temperature setting as well as acquisition of detailed product conditions and alarms can be remotely performed with Ethernet Modbus / TCP communication. 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 a higher level computer (e.g.

  • Page 58: Precautions For Wiring Communication

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.2 Precautions for wiring communication ○ Communication wiring Communication cables that are used for connecting the product to user’s equipment are not included. Use the following cables. ・100BASE-TX Shielded twisted pair cable (STP) or non-shielded twisted pair cable (UTP) with category 5 or more ・10BASE-T Shielded twisted pair cable (STP) or non-shielded twisted pair cable...

  • Page 59: Communication Specification

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.4 Communication specification Table 5.4-1 Ethernet Modbus/TCP communication specification Item Specification Connector type (for the product) RJ45 Communication style Ethernet Data transfer method 100BASE-TX/10BASE-T Protocol Modbus/TCP*1 1：Refer to Modicon Co. protocol specifications "PI-MBUS-300 Rev.J". Table 5.4-2 Ethernet Modbus/TCP communication Parameter Initial value Item...

  • Page 60: Precautions For Communication

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.6 Precautions for communication 5.6.1 Precautions after wiring and before communication ○ Check or set each communication setting using the touch panel. The communication parameter setting should be correct. The operation mode should be set to the Ethernet mode. (When the mode request flag is enabled, the mode will be switched to Ethernet mode.

  • Page 61: Setting Method

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.7 Setting method Set the Ethernet communication in “1.4 Touch Panel Flow” (Refer to “7. Ethernet Modbus/TCP communication setting”). Ethernet Modbus/TCP communication setting Table 3.6-1 Setting of serial communication Description Items Setting / selection / Display Current value of IP 192.166.0.40 1 IP Address...

  • Page 62: Ip Address Setting

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.7.1 IP Address Setting Set window is open by pressing IP address and press the button. Change the IP address will not change until the Thermo chiller is restarted. After changing the IP address, turn off the power supply and restart Thermo chiller.

  • Page 63: Setting Of Subnet Mask And Default Gateway

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.7.2 Setting of subnet mask and default gateway ○ When the setting of the subnet mask and default gateway are changed, the touch panel restarts. ○ Setting of the subnet mask and default gateway should be performed when the operation is stopped.

  • Page 64: Communication Sequence

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.8 Communication sequence Modbus/TCP is the protocol in which the Modbus protocol is expanded to the TCP/IP. It is possible to communicate with messages in the Internet environment. Communication is performed with the Client Server Model.

  • Page 65: Function Codes

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication A) Transaction identifier： Transaction identifier (2byte) Copy the server. In general, all values are set to 0. B) Protocol identifier： All protocol identifiers （2byte） are set to 0. C) Length field： Field length (2byte) ・Upper byte：...

  • Page 66: Explanation Of Function Codes

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.11 Explanation of function codes Refer to the common part, function code and data part, in "3.11 Explanation of function codes" for serial communication. ("Header", "Checksum" and "Trailer" are not required for Modbus / TCP communication.

  • Page 67: Register Map

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.12 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...
  • Page 68 HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication Address Details Value 0050h ASCII code max. 32 characters Model Refer to 5.12.11 Communication example. 005Fh 0060h ASCII code 5 characters Serial No. Refer to 5.12.11 Communication example. 0062h 10 decimal number： 0 to 4294967295 0063h Control board 16 hexadecimal number：...

  • Page 69: Circulating Fluid Discharge Temperature

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.12.1 Circulating fluid discharge temperature The communication content is the same as serial communication. Refer to 3.13.1. 5.12.2 Circulating fluid electrical conductivity The communication content is the same as serial communication. Refer to 3.13.2. 5.12.3 Circulating fluid discharge pressur The communication content is the same as serial communication.

  • Page 70: Operation Instruction

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.12.9 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 71: Data Instruction

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.12.10 Data instruction In the Ethernet mode, selected data is displayed in the data instruction 1, 2, 3, 4 by assigning the data instruction. For the data that can be displayed and the instruction method, refer to "3.13.10 Data instruction"...
  • Page 72 HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication Request message 01042648524C3330302D412D32302020202020202020202020202020202020202020204141 30303120 Example Field name Binary data (HEX) Unit identifier 0x01 0x01 0x04 0x04 Function Quantity of bytes to read 0x26 0x26 Information of 0050h 0x4852 0x48,0x52 ( Product number 1, 2) Information of 0051h 0x4C33 0x4C,0x33...

  • Page 73: Serial Number

    HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.12.12 Serial number Reads the serial number of the product. Refer to 5.12.11Communication example. 5.12.13 Control board program number Reads the program number of the product. 5.12.14 Control board program version Reads the program version of the product. 5.12.15 Display program number Reads the display program number of the product.
  • Page 74 HRX-OM-Y120 Chapter 5 Ethernet Modbus / TCP communication 5.12 Register Map HRL Series 5-18...
  • Page 76 Revision Revision C : Jul.2022 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. ©...

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