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13

Input Types and Data Conversion

Section 2-2

Temperature Inputs

The measured temperature error is calculated as shown in the following
example.

Example:

Overall accuracy =
Reference ac Temperature characteristic

×

Change in ambient tem-

perature =

±

1.5

°

C + (

±

0.13

°

C)

×

5

°

C

=

±

2.2

°

C

±

1 digit.

Input Function Block Diagram

The following calculations can be performed in series on the converted pro-
cess value, and the resulting value can be transferred to the CPU Unit as the
converted value. Since the adjustments are performed in the Unit, there is no
need to process the data in the CPU Unit’s ladder program.

Sensor type

DM Area

setting

Measurable input range

°

C

°

F

Resistance ther-
mometers

Pt100

0 (0000 hex)

−

200.0 to 650.0

−

300.0 to 1200.0

JPt100

3 (0003 hex)

−

200.0 to 650.0

−

300.0 to 1200.0

Pt1000

7 (0007 hex)

−

200.0 to 650.0

−

300.0 to 1200.0

Thermocouples

K

21 (0015 hex)

−

200.0 to 1300.0

−

300.0 to 2300.0

J

23 (0017 hex)

−

100.0 to 850.0

−

100.0 to 1500.0

T

25 (0019 hex)

−

200.0 to 400.0

−

300.0 to 700.0

L

33 (0021 hex)

−

100.0 to 850.0

−

100.0 to 1500.0

R

36 (0024 hex)

0.0 to 1700.0

0.0 to 3000.0

S

37 (0025 hex)

0.0 to 1700.0

0.0 to 3000.0

B

38 (0026 hex)

100.0 to 1800.0

300.0 to 3200.0

Item

Details

Ambient temperature 30

°

C

Thermocouple type

K

Measured tempera-
ture (PV)

500

°

C

Reference accuracy
(25

°

C)

±

0.3

°

C of PV or

±

1.5

°

C, whichever is greater,

±

1 digit.

In this example,

±

1.5

°

C

Temperature charac-
teristics

When the coefficient is

±

100 ppm FS/

°

C, the characteristic in

this example is 100 ppm

×

1300

°

C = 0.13

°

C

Change in ambient
temperature

25

°

C

→

30

°

C = 5

°

C

Analog input 1

Analog input 2

Analog input 3

Analog input 4

A/D

conver-

sion

Sensor

error

detection

Scaling

Zero/span

adjustment

PV alarm

comparison

Analog input 1

process value

Analog input 2

process value

Analog input 3

process value

Analog input 4

process value

Universal Input Unit

CPU Unit

Special I/O Unit Area

I/O refresh

Same as above.

Same as above.

Same as above.

Input

calcula-

tions

«
...
30
31
32
33
34
...
»

Содержание SYSMAC CJ1W-AD04U

Страница 1: ...Universal Input Units Cat No W466 E1 02 SYSMAC CJ Series CJ1W AD04U CJ1W AD04U SL OPERATION MANUAL...

Страница 2: ...SYSMAC CJ Series CJ1W AD04U CJ1W AD04U SL Universal Input Units Operation Manual Revised December 2007...

Страница 3: ...iv...

Страница 4: ...n some OMRON products often means word and is abbreviated Wd in documentation in this sense The abbreviation PLC means Programmable Controller PC is used however in some Program ming Device displays t...

Страница 5: ...vi...

Страница 6: ...ations and Component Names 9 2 1 Specifications 10 2 2 Input Types and Data Conversion 12 2 3 Nomenclature and Functions 15 SECTION 3 Installation and Wiring 17 3 1 Installing the Units 18 3 2 Wiring...

Страница 7: ...viii TABLE OF CONTENTS Appendices A Dimensions 49 B Supplementary Explanations of Functions 51 C Data Coding Tables 55 Revision History 57...

Страница 8: ...imensions Appendix B provides supplementary explanations of functions Appendix C provides data coding tables Name Cat No Contents SYSMAC CJ series CJ1G CPU CJ1G H CPU H CJ1M CPU Programmable Controlle...

Страница 9: ...x...

Страница 10: ...S DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE OMRON DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED LIMITATIONS OF LIABILITY OMRON SHALL NOT BE RESPONSIBLE...

Страница 11: ...that the uses listed may be suitable for the products Outdoor use uses involving potential chemical contamination or electrical interference or conditions or uses not described in this manual Nuclear...

Страница 12: ...onfirm actual specifications of purchased products DIMENSIONS AND WEIGHTS Dimensions and weights are nominal and are not to be used for manufacturing purposes even when tolerances are shown PERFORMANC...

Страница 13: ...xiv...

Страница 14: ...d reliable application of the Universal Input Unit You must read this section and understand the information contained before attempting to set up or operate a Universal Input Unit 1 Intended Audience...

Страница 15: ...ting to use a Universal Input Unit and keep this manual close at hand for reference during operation WARNING It is extremely important that a PLC and all PLC Units be used for the speci fied purpose a...

Страница 16: ...screws may result in burning or malfunction Caution Execute online edit only after confirming that no adverse effects will be caused by extending the cycle time Otherwise the input signals may not be...

Страница 17: ...al An incor rect voltage may result in malfunction or burning Take appropriate measures to ensure that the specified power with the rated voltage and frequency is supplied Be particularly careful in p...

Страница 18: ...alue in memory Touch a grounded metal object to discharge static electricity from your body before touching any Unit The following precautions apply to Power Supply Units with Replacement Notification...

Страница 19: ...on 10 m regulations Low Voltage Directive Always ensure that devices operating at voltages of 50 to 1 000 V AC and 75 to 1 500 V DC meet the required safety standards for the PLC EN 61131 2 Conformanc...

Страница 20: ...This section introduces the features and primary functions describes the system configuration and outlines the operating procedure 1 1 Features and Functions 2 1 2 System Configuration 5 1 3 Operating...

Страница 21: ...hermometer Isolation between Channels The input channels are isolated in the Universal Input Unit so unwanted cur rent paths will not occur between thermocouple inputs or voltage inputs that share the...

Страница 22: ...s can be set for the process value alarms Frequent ON OFF switching of the alarm output can be eliminated by setting a dead zone between the alarm output s start and stop Alarm Output ON Delay A fixed...

Страница 23: ...nge 20 C or 20 F Voltage Current Input Upper limit 105 Lower limit 5 Note Sensor error detection is effective only when the input type is set to thermo couple input platinum resistance thermometer inp...

Страница 24: ...ove diagram is an installation example for a CJ1W AD04U and CJ1W AD04U SL Universal Input Unit and CJ1W DA041 Analog Output Unit Zero adjustment value Maximum range Output data Maximum range Minimum r...

Страница 25: ...ds on the capacity of the Power Supply Unit and the current consumption of other Units in the Rack The following table shows the maximum number of Units that can be mounted if only Universal Input Uni...

Страница 26: ...unit number Turn ON the power to the PLC Wire the Unit Create the I O tables Make the Special I O Unit DM Area settings Turn ON the PLC s power again Use the unit number switch on the front panel of...

Страница 27: ...devices Zero span adjustment P 34 Outputting a high or low alarm without ladder programming Expansion Setting Area settings P 39 Obtaining a process value with a negative gain Process value scaling wi...

Страница 28: ...t Names This section describes the specifications component names and switch settings of the CJ1W AD04U and CJ1W AD04U SL Universal Input Units 2 1 Specifications 10 2 2 Input Types and Data Conversio...

Страница 29: ...18 point removable terminal block Screwless spring clamp type Unit classification CJ series Special I O Unit Isolation See note 1 Between inputs and PLC signals Transformer isolation of power supply a...

Страница 30: ...0 JIS IEC PT1000 or JPt100 Thermocouple K J T L R S or B Current 4 to 20 mA or 0 to 20 mA Voltage 1 to 5 V 0 to 5 V or 0 to 10 V Each input can be set independently Maximum rated input See note 2 Volt...

Страница 31: ...ectly to a Universal Input Unit Voltage and Current Inputs Measurement method for platinum resistance ther mometer inputs 3 wire method Allowable lead wire resistance 20 max per wire Items Specificati...

Страница 32: ...ex 200 0 to 1300 0 300 0 to 2300 0 J 23 0017 hex 100 0 to 850 0 100 0 to 1500 0 T 25 0019 hex 200 0 to 400 0 300 0 to 700 0 L 33 0021 hex 100 0 to 850 0 100 0 to 1500 0 R 36 0024 hex 0 0 to 1700 0 0 0...

Страница 33: ...power circuit EEPROM Double integration A D Amplifier Indicators Switch MPU Bus interface RAM ROM CJ series PC Photocoupler insulation Oscilla tor Division Input Terminal block for external connection...

Страница 34: ...5 4 32 1 MACH No AD04U RUN ERC ERH B1 A1 x101 x100 0 9 8 7 6 5 4 32 1 0 9 8 7 6 5 4 32 1 FRONT CJ1W AD04U SL Unit number setting switch DIN Track mounting pin Indicators Terminal block CJ1W AD04U Slid...

Страница 35: ...ts are assigned the same unit number a UNIT No DPL ERR error in the Programming Console will be generated A401 13 will turn ON and the PLC will not operate The fatal error code error contents and time...

Страница 36: ...17 SECTION 3 Installation and Wiring This section explains how to install and wire the CJ1W AD04U and CJ1W AD04U SL Universal Input Units 3 1 Installing the Units 18 3 2 Wiring 19...

Страница 37: ...over to the Unit on the right end of the Rack Note The CJ series PLC may not operate properly if the sliders are not locked firmly into place Always mount an End Cover Handling Precautions Be sure to...

Страница 38: ...ure to wire the correct terminals when wiring voltage inputs The Unit may fail if a voltage input is wired incorrectly 2 Do not connect anything to terminals that are not being used 3 Do not connect a...

Страница 39: ...measurements will not be accurate Always use the terminal block that is delivered with the Unit Wiring a Screw Terminal Block CJ1W AD04U Crimp type terminals must be used for terminal connections and...

Страница 40: ...river in the release button hole 2 When the screwdriver is pushed firmly to the bottom the lock will be re leased and it will be possible to insert the wire into the wire hole 3 Insert the wire fully...

Страница 41: ...f noise Use twisted pair shielded wire for the input lines Wire the input lines separately from power lines such as AC power supply lines Do not place input lines and power lines in the same duct Inst...

Страница 42: ...iption of User Settings Area Data 33 4 2 1 Input Type Setting 33 4 2 2 Temperature Unit Setting 33 4 2 3 Zero Span Adjustment 34 4 2 4 Scaling Function Settings 35 4 2 5 Sensor Error Disconnection Det...

Страница 43: ...ttings Special I O Unit Area Continuously Refreshed Area Alarm settings Zero adjustment value Initial settings area Temperature unit setting Scaling Expansion Setting Area settings Expansion Setting A...

Страница 44: ...nit is restarted the ERC indicator will light again and the corresponding out of range error address in the initial set tings area will be displayed Data area Function Timing of data transfer Operatin...

Страница 45: ...0699 7 Unit 7 CIO 2070 to CIO 2079 D20700 to D20799 8 Unit 8 CIO 2080 to CIO 2089 D20800 to D20899 9 Unit 9 CIO 2090 to CIO 2099 D20900 to D20999 10 Unit 10 CIO 2100 to CIO 2109 D21000 to D21099 to to...

Страница 46: ...6 03 Unit 67 A507 03 Unit 83 A505 04 Unit 52 A506 04 Unit 68 A507 04 Unit 84 A505 05 Unit 53 A506 05 Unit 69 A507 05 Unit 85 A505 06 Unit 54 A506 06 Unit 70 A507 06 Unit 86 A505 07 Unit 55 A506 07 Uni...

Страница 47: ...ress of data range error D m 2 6 10 14 Process value H high limit alarm setting D m 3 7 11 15 Process value L low limit alarm setting D m 4 8 12 16 Span adjustment value D m 5 9 13 17 Zero adjustment...

Страница 48: ...2 Input 1 m 19 Input 1 Input type setting m 20 Input 1 Alarm hysteresis m 21 Input 1 Alarm ON delay time m 22 Input 1 Process value scaling upper limit m 23 Input 1 Process value scaling lower limit m...

Страница 49: ...ent value 0 to 32 000 Sets the span adjustment value 0 0001 10000 2710 hex P 34 Zero adjustment value 9 999 to 9 999 Sets the zero adjustment value LSB 0 0000 hex P 34 High low value after sen sor err...

Страница 50: ...IO 2950 to CIO 2959 Special I O Unit CIO Area CJ series CPU Unit CJ1W AD04U AD04U SL Universal Input Unit The data is transferred from the Input Unit to the CPU Unit each cycle during I O refreshing C...

Страница 51: ...s read as 0 1 times the stored value Contents Set Values and Stored Values Page Process value alarm H high limit 0 Process value Set value 1 Process value Set value P 37 L low limit 0 Process value Se...

Страница 52: ...g When the input type is set to thermocouple input or platinum resistance ther mometer input set the temperature units to Celsius or Fahrenheit If the temperature is Celsius it isn t necessary to set...

Страница 53: ...Units zero span can be adjusted using a calibration device as described below 1 2 3 1 Connect the Programming Device to the CPU Unit 2 The following table shows the appropriate calibration device to...

Страница 54: ...800 Pa The input 1 scaling upper limit in D20022 is set to 0320 hex 800 BCD and the input 1 scaling lower limit in D20023 is set to 0000 hex 0 BCD Note This function is not applicable to temperatures...

Страница 55: ...cted the process value can be fixed at the highest value or lowest value The allowable range limits are as follows Temperature Input Upper limit Upper limit of temperature range 20 C or 20 F Lower lim...

Страница 56: ...ply to the process value after zero and span adjustment 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Input 4 Input 3 Input 2 Input 1 D m 18 Bit 0 Fix the process value at highest value when there i...

Страница 57: ...m output will be turned OFF when the pro cess value goes beyond the alarm output s range including the hysteresis value The following example shows the operation of the high limit alarm output DM word...

Страница 58: ...when the process value exceeds the high or low limit alarm value Enabling the Expansion Setting Area When using the Expansion Setting Area make the following settings in m 39 and m 40 Note 1 When spec...

Страница 59: ...rea CIO 2000 to CIO 2009 Special I O Unit words in DM Area D20000 to D20099 Output Unit allocation CIO 0004 is allocated to the 16 outputs of a CJ1W OC221 Output Unit This word is not set as the Expan...

Страница 60: ...0005 as the Expansion Set ting Area 5 CIO 5 01 is turned ON directly from the AD04U Input Unit 6 and the alarm is output externally from Output Unit OC201 7 This is how the Expansion Setting Area set...

Страница 61: ...42 Expansion Setting Area Section 4 3...

Страница 62: ...errors and alarms that occur in the CJ1W AD04U and CJ1W AD04U SL Universal Input Units 5 1 Indicators and Error Flowchart 44 5 2 Errors Detected by the Universal Input Unit 44 5 3 Errors Related to th...

Страница 63: ...setting was set in the continuously refreshed area in the allo cated DM Area words after the Input Unit started oper ating normally The Unit will continue operating with the orig inal continuously re...

Страница 64: ...s hexadecimal as the offset value from m i e the number of added words When the setting is made within the allowable range and the PLC is turned ON or the Unit is restarted The Unit starts up normally...

Страница 65: ...CPU Unit Changes to undefined state In PROGRAM Mode turn the power OFF and then back ON Not lit Error in Multi channel Ana log Input Unit s unit number or mounting Either the unit number is set incorr...

Страница 66: ...nit number Bits Unit number Bits Unit number A505 00 Unit 48 A506 00 Unit 64 A507 00 Unit 80 A505 01 Unit 49 A506 01 Unit 65 A507 01 Unit 81 A505 02 Unit 50 A506 02 Unit 66 A507 02 Unit 82 A505 03 Uni...

Страница 67: ...ttings P 34 There is an error in the scaling set tings Check and correct the scaling settings P 35 A resistance thermometer s input wir ing is incorrect Check and correct the input wiring P 19 The com...

Страница 68: ...Terminal Block Dimensions MACH No AD04U RUN ERC ERH B1 A1 x101 x100 0 9 8 7 6 5 4 32 1 0 9 8 7 6 5 4 32 1 2 7 90 31 2 7 65 89 8 2 6 4 17 5 7 62 74 77 MACH No AD04U RUN ERC ERH B1 A1 x101 x100 0 9 8 7...

Страница 69: ...50 Dimensions Appendix A...

Страница 70: ...utput will be turned OFF when the following condition is satisfied Input value alarm set value after change hysteresis When the hysteresis part alone of the input value is greater than the set value t...

Страница 71: ...e the alarm output is turned ON L Limit Alarms When the input value is less than the alarm set value the alarm output is turned ON Alarm Output Operation when Falling Back from Alarm Condition Before...

Страница 72: ...nd not on the input signal Consequently the operation is the same as for normal bias as shown below H Limit Alarms When the input value is greater than the alarm set value the alarm output is turned O...

Страница 73: ...alue after sensor error setting is set to low the minimum process value will be set when the input is disconnected 4200 105 4000 100 3000 75 0 0 200 5 3 2 mA 4 mA 20 mA 20 8 mA Input signal Process va...

Страница 74: ...11 10 09 08 07 06 05 04 03 02 01 00 D2 00 D2 00 D2 01 D2 02 D2 03 D2 04 D2 05 D2 06 D2 07 D2 08 D2 09 D2 10 D2 11 D2 12 D2 13 D2 14 D2 15 D2 16 D2 17 D2 18 0 0 D2 19 D2 20 D2 21 D2 22 D2 23 D2 24 D2...

Страница 75: ...56 Data Coding Tables Appendix C D2 39 0 0 0 D2 40 DM word Setting contents 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00...

Страница 76: ...02 December 2007 Changed product name to Universal Input Unit Page xvii Added warning Page xix Added two paragraphs at bottom of page Page xx Corrected voltage for Low Voltage Directive to 1 500 Page...

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