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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. ●...
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. HRS090 Series 1.1 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 HRS090 Series...
Fig 1.2-1 Communication port shows the location of the communication port. Connector for Contact input/output(DIO) Serial communication option Connector for communication Connector Not used for Used for DIO communication. Used for communication. RS-485/RS-232C. Fig 1.2-1 Communication port HRS090 Series 1.2 Communication port...
Warming up Criculating Pressure unit fluid flow temperature rate setting Unused Data reset Pump Dust-proof filter accumulated accumlated operating time reset time reset Unused Fig 1.3-1 Key operation (1/2) 1.3 Key operations HRS090 Series...
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DC line fuse signal 1 signal 3 power failure selected alarm Monitoring time for Contact maintenance of input signal dustproof filter 1 type This manual explains [communication setting menu]. Fig 1.3-2 Key operation (2/2) HRS090 Series 1.3 Key operations...
---- (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 HRS090 Series...
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. HRS090 Series 2.1 Precautions for communication...
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 HRS090 Series...
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*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 HRS090 Series 2.3 Terminal block explanation...
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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 HRS090 Series...
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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. HRS090 Series 2.4 Setting and checking...
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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 HRS090 Series...
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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. HRS090 Series 2.4 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 HRS090 Series...
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. HRS090 Series 2.4 Setting and checking...
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Warming up function setting status output 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 HRS090 Series 2-10...
Sets selection alarm. Set range is AL.01 to AL.51. 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. HRS090 Series 2.4 Setting and checking 2-11...
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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 HRS090 Series 2-12...
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Sets selection alarm. Set range is AL.01 to AL.51. 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. HRS090 Series 2.4 Setting and checking 2-13...
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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 HRS090 Series 2-14...
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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. HRS090 Series 2.4 Setting and checking 2-15...
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 HRS090 Series 2-16...
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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. HRS090 Series 2.5 Contact input signal 2-17...
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 HRS090 Series 2-18...
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) HRS090 Series 2.6 Contact output signal 2-19...
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When warming up function is set, signal turns ON. type WARM function setting When warming up function is set, signal turns OFF. status output type 1: The signal can not output normally when selected momentary. 2.6 Contact output signal HRS090 Series 2-20...
・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 HRS090 Series...
(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. HRS090 Series 4.1 Precautions for communication...
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 HRS090 Series...
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. HRS090 Series 4.3 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 HRS090 Series...
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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 HRS090 Series 4.3 Setting and checking...
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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 HRS090 Series...
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”. HRS090 Series 4.4 Communication sequence...
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 HRS090 Series...
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 HRS090 Series 4.5 Message configuration...
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 HRS090 Series 4-10...
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) HRS090 Series 4.8 Explanation of function codes 4-11...
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 HRS090 Series 4-12...
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) HRS090 Series 4.8 Explanation of function codes 4-13...
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 HRS090 Series 4-14...
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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) HRS090 Series 4.8 Explanation of function codes 4-15...
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 HRS090 Series 4-16...
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]. HRS090 Series 4.10 Register Map 4-17...
Stop timer set status 0= Not set 1=Set Reset after power cut set status Reset after power cut flag 0= Not set 1= Set Anti-freezing set status Anti-freezing flag 0= Not set 1= Set Unused 4.10 Register Map HRS090 Series 4-18...
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 HRS090 Series 4.10 Register Map 4-19...
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・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. 1: These alarms do not occur on the product of the cooling method ‘-W’. 4.10 Register Map HRS090 Series 4-20...
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 HRS090 Series 4.10 Register Map 4-21...
(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. HRS090 Series 5.1 Precautions for communication...
(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 HRS090 Series...
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 HRS090 Series 5.2 Communication specification...
Communication range Sets communication range simple (Simple communication communication protocol. [----] is displayed ---- (RW) protocol) when the setting of serial protocol is not simple communication protocol. 5.3 Setting and checking HRS090 Series...
“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. HRS090 Series 5.3 Setting and checking...
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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 HRS090 Series...
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[▲] 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 HRS090 Series 5.3 Setting and checking...
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[▼] 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 HRS090 Series...
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“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 HRS090 Series 5.3 Setting and checking...
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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 HRS090 Series 5-10...
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. HRS090 Series 5.4 Communication sequence 5-11...
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 HRS090 Series 5-12...
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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. HRS090 Series 5.5 Message configuration 5-13...
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 HRS090 Series 5-14...
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) HRS090 Series 5.6 BCC 5-15...
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 HRS090 Series 5-16...
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 HRS090 Series 5.8 Command explanation 5-17...
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 HRS090 Series 5-18...
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 HRS090 Series 5.8 Command explanation 5-21...
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 HRS090 Series 5-22...
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 HRS090 Series 6.1 Communication alarm occurs...
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 HRS090 Series...
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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. HRS090 Series 6.3 Setting and checking...
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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 HRS090 Series...
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