Thermocouple Input Module type A1S68TD User`s Manual (Hardware)
Contents
1. Applicable wire size 0 75 to 1 5 mm Applicable solderless terminal Internal current consumption 5 VDC i Weight kg Ib 0 28 0 61 e dimensions MM 130 5 12 H X34 5 1 36 W X93 6 3 69 D Use the thermocouple selector DIP switches to set the thermocouple type for every four channels CH1 CH4 CH5 CH8 The switches are set to thermocouple type K on delivery 2 The formula for calculation of overall accuracy is as follows Overall accuracy Conversion accuracy Temperature characteristic lt Operation ambient temperature version Cold junction compensation accuracy Example Overall accuracy when the type of thermocouple used is type B and the operation ambient temperature is 35 C Overall accuracy 2 5 C 0 4 C X 5 C X 1 C 5 5 C 3 The maximum conversion speed means the time from thermocouple signal input to its conversion to the corresponding digital value The conversion speed is 400 msec regardless of the number of channels R1 25 3 1 25 YS3 RAV 1 25 3 V1 25 YS3A For the general specifications refer to the user s manual for the PLC CPU are used 3 Nomenclature and Settings 3 1 Nomenclature This section gives the name of each part of the A1S68TD Name and appearance Description i RUN LED Displays the operation status of the ATS68TD RUN O On Normal operation MEE Flash Switch setting error write disabled error low2. DESIGN PRECAUTIONS NCAUTION e Do not bunch the control wires or communication cables with the main circuit or power wires or install them close to each other They should be installed 100mm 3 9inch or more from each other Not doing so could result in noise that would cause erroneous operation INSTALLATION PRECAUTIONS NCAUTION Use each module in an environment as specified in the general specification in the detailed manual Using the PLC outside the range of the general specifications may result in electric shock fire or malfunction or may damage or degrade the module O Before mounting the module insert the module fixing hook at the bottom of the module into the fixing hole in the base unit Improper mounting of the module can cause a malfunction failure or drop WIRING PRECAUTIONS NCAUTION Always ground the FG terminal to the protective ground conductor Not doing so can cause a malfunction Carry out wiring to the PLC correctly checking the rated voltage and terminal arrangement of the product Using a power supply that does not conform to the rated voltage or carrying out wiring incorrectly will cause fire or failure e Tighten the terminal screws to the stipulated torque Loose screws will cause short circuits fire or malfunctions O Make sure that no foreign matter such as chips or wiring offcuts gets inside the module It will cause fire failure or malfunction STARTING AND
3. C Detected Output temperature 16 bit signed binary 0 to 17000 Value to the first decimal place x 10 value Scaling value 16 bit signed binary 0 to 2000 Temperature characteristic when operating ambient Conversion accuracy at operating ambient temperature of temperature Applicable thermocouple 254 5 C varies by 1 C o serca S Soom moo ae ne o Bao e 0 5 C ot 0 07 C ot IK 0to 1200C 0 25Cofthe 0 02 C of the E 0to800C measured measured temperature temperature A whichever is whichever is 0 to 350 C larger larger Applicable Temperature thermocouple measurement type 1 range Cold junction 1 compensation accurac Overall accuracy According to the calculation formula in 2 B R S 0 3 C K E J T 04 6 speed Absolute maximum input ae of analogue input 8 channels Pt100 connection channel module Maximum resolution Specification Specific isolated Isolation Dielecine Insulation withstand area method resistance voltage Between thermocouple input and PLC power 5MQ or more measured sipol Transformer ee with a 500V Isolation pply isolation DC insulation specifications th oot T muito resistance IIO P tester channels Between cold junction temperature compensation Pt100 and PLC power supply Number of occupied I O 32 points points Not isolated Connection terminal 20 terminal block External power supply Unnecessary
4. MAINTENANCE PRECAUTIONS NCAUTION Do not touch the terminals before switching power off externally in all phases Doing so can cause a malfunction e Start cleaning or terminal screw retightening after switching power off externally in all phases Not doing so can cause a malfunction Do not disassemble or modify any module This will cause failure malfunction injuries or fire Mount or dismount the module after switching power off externally in all phases Not doing so can cause the module to fail or malfunction e Do not install remove the terminal block more than 50 times after the first use of the product IEC 61131 2 compliant DISPOSAL PRECAUTIONS NCAUTION When disposing of this product treat it as industrial waste About the Manuals The following manuals are also related to this product In necessary order them by quoting the details in the tables below Detailed Manual Manual name Manual no Model code Thermocouple input module type A1S68TD IB 66571 User s Manual 13J781 1 General Description This manual describes the specifications and nomenclature of the A1S68TD type thermocouple input module hereafter called the A1S68TD which is be used in combination with a MELSEC A series programmable controller AnSCPU module hereafter called the PLC CPU 2 Performance Specifications The following table shows the performance specifications of the A1S68TD 0 to 1700
5. MITSUBISHI Thermocouple Input Module type A1S68TD User s Manual Hardware Thank you for buying the Mitsubishi general purpose programmable logic controller MELSEC A Series Prior to use please read both this manual and detailed manual thoroughly and familiarize yourself with the product MODEL A1S68TD U HW E MODEL E DE 13J780 IB NA 66570 E 0707 MEE EEE 01995 MITSUBISHI ELECTRIC CORPORATION e SAFETY PRECAUTIONS e Always read before starting use When using this equipment thoroughly read this manual Also pay careful attention to safety and handle the module properly These precautions apply only to this equipment Refer to the user s manual of the CPU module to use for a description of the PLC system safety precautions These Safety Precautions classify the safety precautions into two categories DANGER and CAUTION D Procedures which may lead to a dangerous condition and o ANGER cause death or serious injury if not carried out properly l Procedures which may lead to a dangerous condition and ACAUTION cause superficial to medium injury or physical damage only if not carried out properly Depending on circumstances procedures indicated by NCAUTION may also be linked to serious results In any case it is important to follow the directions for usage Store this manual in a safe place so that you can take it out and read it whenever necessary Always forward it to the end user
6. R MAKMUR Barcelona Spain Jl Muara Karang Selatan Block A Utara Tel 34 93 565 3131 No 1 Kav No 11 Kawasan Industri France Mitsubishi Electric Europe B V French Pergudangan Jakarta Utara 14440 Branch Tel 62 21 663 0833 25 Boulevard des Bouvets F 92741 India Messung Systems P tLig gt Electronic Sadan NO 111 Unit No15 Nanterre Cedex France M I D C BHOSARI PUNE 411026 TEL 33 1 5568 5568 Tel 91 20 712 2807 South Africa Circuit Breaker Industries LTD Australia Mitsubishi Electric Australia Pty Ltd Tripswitch Drive Elandsfontein Gauteng 348 Victoria Road PostalBag No 2 South Africa Rydalmere N S W 2116 Australia Tel 27 11 928 2000 Tel 61 2 9684 7777 AM MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE 1 8 12 OFFICE TOWER Z 14F HARUMI CHUO KU 104 6212 JAPAN NAGOYA WORKS 1 14 YADA MINAMI 5 CHOME HIGASHI KU NAGOYA JAPAN Specifications subject to change without notice Printed in Japan on recycled paper
7. TD are shown below A1s68TD RUNG a 2 N 3 5 4 Q 5 6 ze 8 A Bo c TI D B oy LE 6 5 93 6 3 69 q 34 5 1 36 5 2 71 Unit mm inch Warranty Mitsubishi will not be held liable for damage caused by factors found not to be the cause of Mitsubishi machine damage or lost profits caused by faults in the Mitsubishi products damage secondary damage accident compensation caused by special factors unpredictable by Mitsubishi damages to products other than Mitsubishi products and to other duties NFor safe use This product has been manufactured as a general purpose part for general industries and has not been designed or manufactured to be incorporated in a device or system used in purposes related to human life Before using the product for special purposes such as nuclear power electric power aerospace medicine or passenger movement vehicles consult with Mitsubishi This product has been manufactured under strict quality control However when installing the product where major accidents or losses could occur if the product fails install appropriate backup or failsafe functions in the system Country Region Sales office Tel Country Region Sales office Tel U S A Mitsubishi Electric Automation Inc Hong Kong Ryoden Automation Ltd 500 Corporate Woods Parkway Vernon 10th Floor Manulife Tower 169 Electric Hills IL 60061 Ro
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9. er upper limit value setting error disconnection detected etc Off 5 V power cut watchdog timer error RTD for measuring the terminal block temperature supplied with the module Used to set the thermocouple type used for CH1 CH4 and CH5 CH8 switch Setting for cHT CHa Setting Setting for CHT CHA CH1 CH4 Setting for CHS CHE Setting for CHS CHE CH5 CH8 Green EE E Sr vet er pd es OFF ON OFF Thermocouple type 4 Handling 4 1 Cautions on handling 1 The module case and the terminal block are made of resin Do not drop the module or subject it to shock 2 Do not remove the printed circuit board from the module case This could cause failure 3 During wiring take all possible measures to prevent wire scraps or foreign matter from entering the module If anything enters the module remove it completely 4 Tighten the module mounting screws and the terminal screws to the torques specified in the following table Tightening torque range Module mounting screw M4 screw 78 to 118N cm Terminal block terminal screw M3 5 screw 59 to 88N cm Terminal block mounting screw M4 screw 78 to 118N cm 4 2 Cautions on installation 1 Do not load an AC voltage I O module in the right end or left end slot of the A1S68TD Doing so may cause the I O module to generate noise making stable temperature measurement impossible Power supply A1S68TD The AC volta
10. ge I O module can be loaded here 2 During wiring follow the instructions in Chapter 5 to prevent noise 5 Wiring This section gives the cautions on wiring and a connection example for the module 5 1 Wiring precautions To establish a highly reliable system by making the best use of the A1S68TD functions external wiring that is not susceptible to the effects of noise is required The cautions on wiring are presented below 1 Use separate cables for AC input current and external input signals to the A1S68TD This can prevent the effects of surge or induction of the AC input current 2 Keep the thermocouple at least 100mm away from the main circuit and AC control circuit wiring Provide sufficient space between the thermocouple and circuits that generate high harmonics such as high voltage wires and main load circuits otherwise the thermocouple will be affected by noise surge or induction 3 Generally ground the shielded wire or shielded cable at one point on the PLC CPU However depending on the external noise level it may be advisable to ground it at an external location 5 2 Module connection example yndu Jeyiduue J9UJOJSUB oe Jeyiduue nduj 191 14 RTD Pt100 CH1 J9UJJOJSUEJ Jeyiduue mdul 1 Use a shielded compensating conductor for the cable 6 Outside Dimensions The outside dimensions of the A1S68
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