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SitemapSYSMAC CJ-series Process Analog Input Unit (Universal Inputs)
CJ1W-PH41U / AD04U
A Single Unit Handling All Types of Inputs such as Temperature Sensor Inputs and Analog Signal Inputs (e.g., 4 to 20 mA or 1 to 5 V)
Data Sheet (2207KB)
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CJ1W-AD04U Isolated-type Universal Input Unit
| Item | Specifications | |
| Model | CJ1W-AD04U | |
| Applicable PLC | CJ Series | |
| Type of Unit | CJ-series Special I/O Unit | |
| Mounting position | CPU Rack or CJ-series Expansion Rack | |
| Maximum number of Units | 40 (within the allowable current consumption and power consumption range) | |
| Unit numbers | 00 to 95 (Cannot duplicate Special I/O Unit numbers.) | |
| Areas for exchanging data with the CPU Unit | Special I/O Unit Area words in the CIO Area | 10 words/Unit |
| Isolated-type Universal Input Unit to CPU Unit: All process values, process value alarms (L, H), conversion data enabled flag, input errors, cold junction sensor errors | ||
| Special I/O Unit words in the DM Area | 100 words/Unit | |
| CPU Unit to Isolated-type Universal Input Unit: Input type, scaling upper and lower limits, process value alarm setting (L, H), zero/span adjustment value, alarm ON delay time, alarm hysteresis, Expansion Setting Area settings | ||
| Expansion Setting Area | 1 word/Unit | |
| CPU Unit to Isolated-type Universal Input Unit: Process value alarm output | ||
| Number of inputs | 4 | |
| Input type | Platinum resistance thermometer: Pt100 (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. | |
| Scaling (Voltage and current inputs) | Data to be stored in the allocated words in the CIO area must be scaled (with user-set minimum and maximum values for data and offsets). The inputs are set individually. | |
| Data storage in the Special I/O Unit Area in the CIO Area | Voltage inputs and current inputs: The values derived from carrying out the following processing in order of the actual process data in the input range are stored in four digits hexadecimal (binary values) in the allocated words in the Special I/O Unit Area. 1) Scaling → 2) Zero/span adjustment → 3) Output limits Temperature input: The values derived from carrying out the following processing in order of the actual process data in the input range are stored in four digits hexadecimal (binary values) in the allocated words in the Special I/O Unit Area. 1) ° C/ ° F conversion → 2) Zero/span adjustment → 3) Output limits (The stored data is always stored ten times the value of the actual temperature.) | |
| Accuracy (25 ° C) (These values do not include the sensor error.) | Platinum resistance thermometers: (± 0.3% of PV or ± 0.8 ° C, whichever is greater) ± 1 digit max. | |
| Typical thermocouple inputs: (± 0.3% of PV or ± 1.5 °C, whichever is greater) ± 1 digit max. Special cases: The accuracy of L is ± 2 °C ± 1 digit max. The accuracy of K and T at - 100 °C or less is ± 2 °C ± 1 digit max. The accuracy of R and S at 200 °C or less is ± 3 °C 1 digit max. The accuracy of B at 400 °C or less is not specified. | ||
| Voltage inputs and current inputs: (± 0.3% FS) ± 1 digit max. | ||
| Temperature coefficient | ± 100 ppm/ °C max. (for full scale) | |
| Resolution | 1/12,000 (for voltage or current input) (Please refer to the Input Types and Input Ranges on Data Sheet for details on temperature input.) | |
| Input signal range | Voltage inputs and current inputs: - 5% to 105% of measurable input range set in scaling Temperature inputs: ± 20 °C or ± 20 °F for the high or low limits of the sensor range | |
| Maximum rated input | Voltage Input: ± 15 V Current Input: ± 30 mA | |
| Input impedance | Temperature: 10 k Ω min. Voltage Input: 1 M Ω min. Current Input: 250 Ω (rated value) | |
| Warm-up time | 30 min | |
| Thermocouple inputs | Internal temperature sensor is used for cold junction compensation. | |
| Platinum resistance thermometers | Measurement method: 3-wire method Allowable lead wire resistance: 20 Ω max. per wire Input detection current: 1.1 mA | |
| A/D conversion time | 250 ms/4 inputs | |
| Maximum time to store data in CPU Unit | Conversion period + one CPU Unit cycle | |
| Input error detection | An input error can be detected. (except for voltage and current inputs of 0 to 20 mA, 0 to 5 V, 0 to 10 V) Detection level Temperature input: If the temperature exceeds the high or low limit of the sensor range by 20 °C or 20 ° F. +1 to +5 V: input signal < 0.3 V 4 to 20 mA: input signal < 1.2 mA Input Error Flag turns ON when a disconnection occurs or each input value is out of input range. Process value clamp direction can be specified when input error occurs. | |
| Process value alarm | Two process value alarms (L, H), hysteresis, and ON-delay timer (0 to 60 s) can be set. Bits of process value alarm can be copied to selectable addresses in the Expansion Setting Area settings. | |
| Isolation | Between inputs and PLC signals, and between inputs: Isolation by transformer for power supply, and by photocoupler for signals. | |
| Insulation resistance | 20 M Ω (at 500 V DC) between all inputs | |
| Dielectric strength | Between all inputs: 500 V AC, at 50 or 60 Hz, for 1 min, leakage current 1 mA max. | |
| External connections | Terminal block (detachable) | |
| Indicators | Three LED indicators on front panel (for normal operation, errors detected at the Universal Input Unit, and errors detected at the CPU Unit). | |
| Unit number settings | Set by rotary switches on front panel, from 0 to 95. | |
| Effect on CPU Unit cycle time | 0.2 ms | |
| Current consumption (supplied by Power Supply Unit) | 5 V DC at 320 mA max. | |
| Dimensions | 31 × 90 × 65 mm (W × H × D) | |
| Weight | 150 g max. | |
CJ1W-PH41U Isolated-type Universal Input Unit
| Item | Specifications | |
| Model | CJ1W-PH41U | |
| Applicable PLC | CJ Series | |
| Type of Unit | CJ-series Special I/O Unit | |
| Mounting position | CPU Rack or CJ-series Expansion Rack | |
| Maximum number of Units | 40 (within the allowable current consumption and power consumption range) | |
| Unit numbers | 00 to 95 (Cannot duplicate Special I/O Unit numbers.) | |
| Areas for exchanging data with the CPU Unit | Special I/O Unit Area words in the CIO Area | 10 words/Unit |
| Isolated-type Universal Input Unit to CPU Unit: All process values, process value alarms (LL, L, H, HH), rate-of-change alarms (L, H), input errors (such as disconnection alarms), cold junction sensor errors, and zero/span adjustment period end/notices. | ||
| Special I/O Unit words in the DM Area | 100 words/Unit | |
| CPU Unit to Isolated-type Universal Input Unit: Operation settings, input type, input range (user set), temperature unit, process value clamp direction for input burnout, scaling upper and lower limits, scaling offset value, alarm hysteresis, alarm ON/OFF delay time, number of items for moving average, Expansion Setting Area settings, process value alarm setting (L, H), zero/span adjustment value. | ||
| Expansion Control/Monitor Area | 46 words/Unit | |
| CPU Unit to Isolated-type Universal Input Unit: Hold function selection start/reset, integral value calculation start/reset, zero/span adjustment period flag Isolated-type Universal Input Unit to CPU Unit: All rate-of-change values, zero/span adjustment period notices (all inputs), EEPROM errors, day of final adjustment date, top and valley detection flags, peak and bottom values, top and valley values, integral value. | ||
| Expansion Setting Area | 100 words/Unit | |
| CPU Unit to Isolated-type Universal Input Unit: Expansion Control/Monitor Area settings, square root calculation enable, rate-ofchange input range, rate-of-change comparison time interval, rate-of-change scaling upper and lower limits, zero/span adjustment position, zero/span adjustment period and notice of days remaining, top and valley hysteresis, integral value calculation integer unit and integer coefficient, temperature resistance thermometer compensation enable, temperature resistance thermometer reference resistance, cold junction compensation method, process value alarm settings (LL, HH), rate-of-change alarm settings (L, H). | ||
| Number of inputs | 4 | |
| Input type | Resolution: 1/256,000 (Conversion period: 60 ms) | Pt100 (JIS, IEC 3-wire), JPt100 (3-wire), Pt1000 (3-wire), Pt100 (JIS, IEC 4-wire), K, J, T, E, L, U, N, R, S, B, WRe5-26, PLII, 4 to 20 mA, 0 to 20 mA, 1 to 5 V, 0 to 1.25 V, 0 to 5 V, 0 to 10 V, ± 100 mV user-set range, - 1.25 to 1.25 V, - 5 to 5 V, - 10 to 10 V, ± 10 V user-set range, potentiometer (all inputs). The input type, input range, and scaling can be set for individual inputs. The input range for DC inputs, however, can be set only for input types with user-set input ranges. |
| Resolution: 1/64,000 (Conversion period: 10 ms) | Pt100 (JIS, IEC 3-wire), JPt100 (3-wire), Pt100 (JIS, IEC 4-wire), K, J, T, E, L, U, N, R, S, B, WRe5-26, PLII, 4 to 20 mA, 0 to 20 mA, 1 to 5 V, 0 to 1.25 V, 0 to 5 V, 0 to 10 V, ± 100 mV user-set range, - 1.25 to 1.25 V, - 5 to 5 V, - 10 to 10 V, ± 10 V user-set range (all inputs). The input type, input range, and scaling can be set for individual inputs. The input range for DC inputs, however, can be set only for input types with user-set input ranges. | |
| Resolution: 1/16,000 (Conversion period: 5 ms) | K, E | |
| Applicable standards for resistance thermometer and thermocouple inputs | Pt100: JIS C1604-1997, IEC 60751-95 JPt100: JIS C1604-1989 K, J, T, E, N, R, S, B: JIS C1602-1995 L, U: DIN 43710-1985 WRe5-26: ASTM E988-96 PLII: ASTM E1751-00 | |
| Scaling | Data to be stored in the allocated words in the CIO area must be scaled (with user-set minimum and maximum values for data and offsets). The inputs are set individually. Data can be converted at 0% to 100%. | |
| Data storage in the Special I/O Unit Area in the CIO Area | The values derived from carrying out the following processing in order of the actual process data in the input range are stored in four digits hexadecimal (binary values) in the allocated words in the Special I/O Unit Area. 1) Averaging → 2) Scaling → 3) Zero/span adjustment → 4) Square root calculation → 5) Offset compensation → 6) Output limits | |
| Accuracy (25 ° C) | Resistance thermometer and thermocouple inputs: ± 0.05% (The accuracy depends on the input type and the measured temperature. For details, refer to Datasheet.) Current or voltage input: ± 0.05% Potentiometer input: ± 1% | |
| Temperature coefficient | Resistance thermometer and thermocouple inputs: The temperature coefficient depends on the input type and the measured temperature. For details, refer to Datasheet. Current or voltage input: ± 80 ppm/ ° C (for full scale) Potentiometer input: ± 100 ppm/ ° C (for full scale) | |
| Cold junction compensation error | Thermocouple input: ± 1.2 ° C | |
| Resolution | 1/256,000 (Conversion period: 60 ms) (See note.), 1/64,000 (Conversion period: 10 ms), 1/16,000 (Conversion period: 5 ms) Note: The resolution for potentiometer inputs is 1/4,000. | |
| Input signal range | Resistance thermometer, thermocouple, ± 100 mV user-set inputs: - 15% to 115% of measurable input range 4 to 20 mA, 1 to 5 V, 0 to 1.25 V, 0 to 5 V, 0 to 10 V inputs: - 15% to 115% 0 to 20-mA inputs: 0% to 115% - 1.25 to 1.25 V, - 5 to 5 V, - 10 to 10 V, ± 10 V user-set range inputs: - 7.5% to 107.5% Potentiometer input: - 15% to 115% of 0 to 2,500 Ω | |
| Influence of lead wire resistance | Resistance thermometer inputs: 0.06 ° C/ Ω (20 Ω max.) (3-wire) 0.006 ° C/ Ω (20 Ω max.) (4-wire) | |
| Input detection current | Resistance thermometer inputs: Approx. 0.21 mA (3-wire), approx. 0.42 mA (4-wire) Potentiometer input: Approx. 0.21 mA | |
| Absolute maximum ratings | Thermocouple, ± 100 mV user-set range inputs: ± 130 mV Current inputs: 30 mA Voltage inputs (excluding ± 100 mV user-set range): ± 15 V | |
| Input impedance | Thermocouple, ± 100 mV user-set range inputs: 20 k Ω min. Current inputs: 150 Ω max. Voltage inputs (excluding ± 100 mV user-set range): 1 M Ω min. | |
| Input disconnection detection current | Thermocouple, ± 100 mV user-set range inputs: Approx. 0.1 μ A | |
| Warmup time | Resistance thermometer inputs: 30 min Thermocouple, ± 100 mV user-set range inputs: 45 min Current or voltage inputs (excluding ± 100 mV user-set range): 30 min Potentiometer input: 10 min | |
| Response time | 1/256,000 resolution: Resistance thermometer inputs: 180 ms max. (travel time from input 0% to 90%, for step input and with moving average for 1 sample) Thermocouple, ± 100 mV user-set range inputs: 180 ms max. (travel time from input 0% to 90%, for ± 100 mV step input and with moving average for 1 sample) Current or voltage input: 180 ms max. (travel time from input 0% to 90%, for ± 10 V step input and with moving average for 1 sample) Potentiometer input: 180 ms max. (travel time from input 0% to 90%, for step input and with moving average for 1 sample) 1/64,000 resolution: Resistance thermometer inputs: 100 ms max. (travel time from input 0% to 90%, for step input and with moving average for 4 samples) Thermocouple, ± 100 mV user-set range inputs: 100 ms max. (travel time from input 0% to 90%, for ± 100 mV step input and with moving average for 4 samples) Current or voltage inputs: 100 ms max. (travel time from input 0% to 90%, for ± 10 V step input and with moving average for 4 samples) 1/16,000 resolution: Thermocouple inputs: 100 ms max. (travel time from input 0% to 90%, for ± 100 mV step input and with moving average for 4 samples) | |
| Conversion period | 60 ms/4 inputs (1/256,000 resolution), 10 ms/4 inputs (1/64,000 resolution, 5 ms/4 inputs (1/16,000 resolution) | |
| Maximum time to store data in CPU Unit | Conversion period + one CPU Unit cycle | |
| Input disconnection and input error detection | Resistance thermometer, thermocouple, ± 100 mV user-set range, potentiometer inputs: Input Error Flag turns ON when a disconnection occurs or when 115% or - 15% of the measurable input range is exceeded. The process value clamp direct direction for when a disconnection occurs can be specified. (High: 115% of set input range. Low: - 15% of set input range.) Disconnection detection time: Approx. 5 s max. (4-wire Pt100) Approx. 1 s max. ( ± 100 mV user-set range) Approx. 0.5 s max. (not 4-wire Pt100 or ± 100 mV user-set range) 4 to 20 mA, 1 to 5 V, 0 to 1.25 V, 0 to 5 V, 0 to 10 V inputs: An error is detected and the Input Error Flag turns ON when a disconnection occurs or when 115% or - 15% of the measurable input range is exceeded. When a disconnection occurs in the 4 to 20 mA/1 to 5 V range, the - 15% process value is stored. When a disconnection occurs in any other range, a process value the same as for a 0 V input is stored. 0 to 20 mA inputs: An error is detected and the Input Error Flag turns ON when 115% of the measurable input range is exceeded. When a disconnection occurs, a process value the same as for a 0 mA input is stored. - 1.25 to 1.25 V, - 5 to 5 V, - 10 to 10 V, ± 10 V user-set range inputs: An error is detected and the Input Error Flag turns ON when 107.5% or - 7.5% of the measurable input range is exceeded. When a disconnection occurs, a process value the same as for a 0 V input is stored. | |
| Function | Process value alarm | Four process value alarms (HH, H, LL, L), hysteresis, and ON/OFF-delay timer (0 to 60 s) can be set. |
| Rate-of-change calculation | Calculates the amount of change per process value comparison time interval (Either 1 to 16 s or the conversion period can be set.) | |
| Rate-of-change alarm | Two rate-of-change alarms (H, L), hysteresis, and ON/OFF-delay timer (0 to 60 s) can be set (shared with process value alarm). | |
| Process value averaging (input filter) | Calculates the moving average for the specified number of past process values (1 to 128), and stores that value in the CIO Area as the process value. | |
| Square root extraction | When the process value scaling maximum value is A and the minimum value is B: Dropout: Output approx. 7% maximum linear (output = input) characteristics Note 1. The square root function is enabled for DC inputs only. It is not performed for temperature inputs. Note 2. The square root function is enabled only when the maximum scaling value is greater than the minimum value. It is not performed when the minimum value is greater. Note 3. When performing square root calculation, set the maximum and minimum scaling values to the scaling values following square root extraction of the flowrate or other input value. | |
| Adjustment period control | When zero/span adjustment is executed, the date is internally recorded at the Unit. When the preset zero/span adjustment period and the notice of days remaining set in the Expansion Setting Area have elapsed, this function turns ON a warning flag to give notice that it is time for readjustment. | |
| Peak and bottom detection | Detects the maximum (peak) and minimum (bottom) process values, from when the Hold Start Bit (output) allocated to the Expansion Control/Monitor Area turns ON until it turns OFF. These values are stored as the peak and bottom values in the Expansion Control/Monitor Area. | |
| Top and valley detection | This function detects the top and valley values for process values, from when the Hold Start Bit (output) allocated to the Expansion Control/Monitor Area turns ON until it turns OFF. These values are stored as the top and valley values in the Expansion Control/Monitor Area. | |
| Integral value calculation | This function calculates the process value's time integral. The integral value is calculated and the result is output to the Expansion Control/Monitor Area when the Integral Value Calculation Start Bit in the Expansion Control/Monitor Area is turned ON. | |
| Cold junction compensation method | Specifies whether cold junction compensation is to be executed internally or externally. Note: This function is supported only for thermocouple inputs. | |
| Resistance thermometer input compensation | Compensation is enabled for a connected resistance thermometer by setting the resistance for 23 ° C. Note: This function is supported only for resistance thermometer inputs. | |
| Isolation | Between inputs and PLC signals, and between inputs: Power supply = Transformer, Signal = Digital isolator | |
| Insulation resistance | 20 M Ω (at 500 V DC) between all inputs | |
| Dielectric strength | Between all inputs: 500 V AC, at 50 or 60 Hz, for 1 min, leakage current 10 mA max. | |
| External connections | Terminal block (detachable) | |
| Unit number settings | Set by rotary switches on front panel, from 0 to 95. | |
| Indicators | Three LED indicators on front panel (for normal operation, errors detected at the Universal Input Unit, and errors detected at the CPU Unit). | |
| Front panel connector | Input connector terminal block (detachable) | |
| Effect on CPU Unit cycle time | 0.4 ms | |
| Current consumption (supplied by Power Supply Unit) | 5 V DC at 300 mA max. | |
| Dimensions | 31 × 90 × 65 mm (W × H × D) | |
| Weight | 150 g max. | |
| Standard accessories | One cold junction sensor (mounted to terminal block) | |
Caution: In the interenst of product improvement, specifications are subject to change without notice.
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