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SYSMAC CJ-series Process Analog Input Unit (Universal Inputs)
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)
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Ratings and Specifications
CJ1W-PTS15 Isolated-type Thermocouple Input Unit
| Item | Specifications | |
| Model | CJ1W-PTS15 | |
| Applicable PLC | CJ Series | |
| Unit classification | CJ-series Special I/O Unit | |
| Mounting position | CJ-series 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 data exchange with CPU Unit | Special I/O Unit Area | 10 words/Unit Thermocouple Input Unit to CPU Unit: All process values, process value alarms (LL, L, H, HH), conversion data enabled flags, sensor errors. |
| DM Area words allocated to Special I/O Units | 100 words/Unit CPU Unit to Thermocouple Input Unit: Temperature sensor type, input range (user set), process value alarm setting (L, H), zero/span adjustment value. | |
| Expansion Control/Monitor Area words | 35 words/Unit CPU Unit to Thermocouple Input Unit: Hold function selection start/reset, adjustment period control, control bits Thermocouple Input Unit to CPU Unit: Adjustment period warnings/notices (for each input), peak and bottom values, top and valley values | |
| Expansion Setting Area words | 46 words/Unit CPU Unit to Thermocouple Input Unit: Expansion Setting Area settings, adjustment period control, peak and bottom detection, top and valley detection | |
| Number of temperature sensor inputs | 2 | |
| Temperature sensor type | The sensor type, input range, and scaling can be set individually for each of 2 inputs, which are each selectable from B, E, J, K, L, N, R, S, T, U, WRe5-26, PL II, and mV. | |
| Scaling | Data to be stored in the allocated words in the CIO area must be scaled (with the minimum and maximum values set by user) (2 inputs set separately). For example, data can be stored at 0% to 100%. | |
| Data storage in the CIO Area | The value derived from carrying out the following processing in order of the actual process data in the input range is stored in four digits hexadecimal (binary values) in the allocated words in the CIO Area. 1) Mean value processing → 2) Scaling → 3) Zero/span adjustment → 4) Output limits | |
| Accuracy (25 ° C) | ± 0.05% (Depends on the Sensor used and the measured temperature. Refer to Datasheet.) | |
| Temperature coefficient | ± 0.01%/ ° C (For full scale of electromotive force. See note.) | |
| Resolution | 1/64000 | |
| Cold junction compensation error | ± 1 ° C, at 20 ± 10 ° C | |
| Maximum signal input | ± 120 mV | |
| Input impedance | 20 k Ω min. | |
| Input disconnection detection current | 0.1 μ A (typical) | |
| Warmup time | 45 min | |
| Response time | 100 ms (travel time from input 0% to 90%, for ± 100 mV step input and with moving average for 4 samples) | |
| Conversion period | 10 ms/2 inputs | |
| Maximum time to store data in CPU Unit | Conversion period + one CPU Unit cycle | |
| Disconnection detection | Detects disconnections at each input and turns ON the Disconnection Detection Flag. Hardware detection time: Approx. 0.5 s max. The process value overrange direction for when a disconnection occurs can be specified. (High: 115% of set input range; low: - 15% of set input range) | |
| Function | Mean value processing (input filter) | Calculates the moving average for the specified number of process values (1 to 128), and stores that value in the CIO Area as the process value. |
| Process value alarm | Process value 4-point alarm (LL, L, H, HH), alarm hysteresis, and ON-delay timer (0 to 60 s) are available. | |
| Rate-of-change calculation | Calculates the amount of change per comparison time interval (1 to 16 s). | |
| Rate-of-change alarm | Rate-of-change 2-point alarm (L, H), alarm hysteresis (shared with process value alarm), and ON-delay timer (0 to 60 s, shared with process value alarm) are available. | |
| 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 number of days notice have elapsed (allocated in Expansion Setting Area), this function turns ON a warning flag to give notice that it is time for readjustment. | |
| Peak and bottom detection | This function detects the maximum (peak) and minimum (bottom) analog input values, from when the Hold Start Bit (output) allocated to the Expansion Control/Monitor Area turns ON until it turns OFF, and stores them in the Expansion Control/Monitor Area. | |
| Top and valley detection | This function detects the top and valley values for analog inputs, from when the Hold Start Bit (output) allocated to the Expansion Control/Monitor Area turns ON until it turns OFF, and stores them in the Expansion Control/Monitor Area. | |
| Isolation | Between inputs and PLC signals, and between inputs: Isolation by transformer for power supply, and by photocoupler for signals. Cold junction compensation circuit: No isolation from input 2 | |
| Insulation resistance | 20 M Ω (at 500 V DC) between inputs | |
| Dielectric strength | Between inputs: 1,000 V AC, at 50/60 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 | Four LED indicators on front panel (for normal operation, errors detected at the Thermocouple Input Unit, errors related to the CPU Unit, and use of external power supply). | |
| Front panel connector | Sensor input connector terminal block (detachable) | |
| Effect on CPU Unit cycle time | 0.3 ms | |
| Current consumption | 5 V DC at 180 mA max. | |
| External power supply | 24 VDC +10%/ - 15% 60 mA max., inrush current: 20 A for 1 ms max. (The external 24-VDC power supply must be isolated.) | |
| Dimensions | 31 × 90 × 65 mm (W × H × D) | |
| Weight | 150 g max. | |
| Standard accessories | Two cold junction sensors (installed in terminal block) | |
Note:The method for calculating the error in temperature measurements, including the temperature coefficient, is given below. The "full scale of electromotive force" is the difference between the high limit and low limit converted to electromotive force for each thermocouple.
CJ1W-PTS51 Isolated-type Thermocouple Input Unit
| Item | Specifications | |
| Model | CJ1W-PTS51 | |
| Applicable PLC | CJ Series | |
| Unit classification | CJ-series Special I/O Unit | |
| Mounting position | CJ-series 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 data exchange with CPU Unit | Special I/O Unit Area | 10 words/Unit Thermocouple Input Unit to CPU Unit: All process values, process value alarms (L, H), conversion data enabled flag, sensor errors, cold junction sensor errors |
| DM Area words allocated to Special I/O Units | 100 words/Unit CPU Unit to Thermocouple Input Unit: Temperature sensor type, input range (same for all I/O), process value alarm setting (L, H), zero/span adjustment value. | |
| Number of temperature sensor inputs | 4 | |
| Temperature sensor types | Selectable from K, J, L, R, S, T, B. (Same setting for all inputs.) | |
| Data storage in the CIO Area | The actual process data in the input range is stored in four digits hexadecimal (binary or BCD values) in the allocated words in the CIO Area. | |
| Accuracy (25°C) (See note.) | With Celsius selected: ±0.3% of PV or ±1°C, whichever is greater, ±1 digit max. With fahrenheit selected: ±0.3% of PV or ±2°F, whichever is greater, ±1 digit max. However, the accuracy of K and T at -100°C or lower and L is ±2°C ±1 digit max. The accuracy of R and S at 200°C or lower is ±3°C ± 1 digit max. The accuracy of B at 400°C or lower is not specified. PV: Process value data | |
| Temperature characteristics | Refer to Datasheet. | |
| Warmup time | 30 min | |
| Conversion period | 250 ms/4 inputs | |
| Maximum time to store data in CPU Unit | Conversion period + one CPU Unit cycle | |
| Sensor error detection | Detects sensor error at each input and turns ON the Sensor error Flag. Hardware detection time: Approx. 0.5 s max. The process value overrange direction for when a sensor error occurs can be specified. (High: Set input range +20 ° C or +20 ° F; low: Set input range - 20 ° C or - 20 ° F) | |
| Function | Process value alarm | Process value 2-point alarm (HH, H, LL, L), alarm hysteresis, and ON-delay timer (0 to 60 s) are available. External alarm outputs: One per input (H or L). |
| External alarm outputs | NPN outputs (with short-circuit protection) External power supply voltage: 20.4 to 26.4 V DC Max. switching capacity: 100 mA (for one output) Leakage current: 0.3 mA max. Residual voltage: 3 V max. | |
| Isolation | Between inputs and PLC signal: Transformer for power supply and photocoupler for signals Between each input: Transformer for power supply and photocoupler for signals. | |
| Insulation resistance | 20 MΩ max. (at 500 V DC). Between all output and NC terminals and external AC terminals (Power Supply Unit) Between all input terminals and external AC terminals (Power Supply Unit) Between all input terminals and all output terminals Between all external DC terminals (input, output, and NC terminals) and FG plate Between all input and output terminals and all NC terminals | |
| Dielectric strength | Between all output and NC terminals and external AC terminals (Power Supply Unit) 2,000 VAC, 50/60 Hz 1 min., detection current: 1 mA Between all input terminals and external AC terminals (Power Supply Unit) Between all input terminals and all output terminals Between all external DC terminals (input, output, and NC terminals) and FG plate 1,000 VAC, 50/60 Hz 1 min., detection current: 1 mA Between all channels 500 VAC, 50/60 Hz 1 min., detection current: 1mA | |
| External connections | Terminal block (detachable) | |
| Unit number settings | Set by rotary switches on front panel, from 0 to 95. | |
| Indicators | Seven LED indicators on front panel (for normal operation, errors detected at the Thermocouple Input Unit, errors related to the CPU Unit, and four indicators for external alarm outputs.) | |
| Effect on CPU Unit cycle time | 0.4 ms | |
| Current consumption (supplied from Power Supply Unit) | 5 V DC at 250 mA max. | |
| Dimensions | 31 × 90 × 65 mm (W × H × D) | |
| Weight | 150 g max. | |
CJ1W-PTS16 Isolated-type Resistance Thermometer Input Unit (Pt100, JPt100, Pt50, Ni508.4)
| Item | Specifications | |
| Model | CJ1W-PTS16 | |
| Applicable PLC | CJ Series | |
| Unit classification | CJ-series Special I/O Unit | |
| Mounting position | CJ-series 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 data exchange with CPU Unit | Special I/O Unit Area | 10 words/Unit Resistance Thermometer Input Unit to CPU Unit: All process values, process value alarms (LL, L, H, HH), rate-of-change values, rate-of-change alarms (L, H), disconnection alarms, adjustment period end/notices. |
| DM Area words allocated to Special I/O Units | 100 words/Unit CPU Unit to Resistance Thermometer Input Unit: Temperature sensor type, input range (user set), scaling of process value data to be stored in allocated words in CIO area, rate-of-change input range, scaling of rate-of-change data, number of items for moving average, process value alarm setting (LL, L, H, HH), rate-of-change alarm setting (L, H), zero/span adjustment value. | |
| Expansion Control/Monitor Area words | 35 words/Unit CPU Unit to Resistance Thermometer Input Unit: Hold function selection start/reset, adjustment period control, control bits Resistance Thermometer Input Unit to CPU Unit: Adjustment period warnings/notices, peak and bottom values, top and valley values | |
| Expansion Setting Area words | 46 words/Unit CPU Unit to Resistance Thermometer Input Unit: Expansion Setting Area settings, adjustment period control, peak and bottom detection, top and valley detection | |
| Number of temperature sensor inputs | 2 | |
| Temperature sensor type | Pt100 (JIS, IEC), JPt100, Pt50, Ni508.4 Sensor type, input range, and scaling to industrial units are separate for each of the 2 inputs. | |
| Scaling | Data to be stored in the allocated words in the CIO area must be scaled (with the minimum and maximum values set by user) (2 inputs set separately.). Data can be stored at 0% to 100%. | |
| Data storage in the CIO Area | The value derived from carrying out the following processing in order of the actual process data in the input range is stored in four digits hexadecimal (binary values) in the allocated words in the CIO Area. 1) Mean value processing → 2) Scaling → 3) Zero/span adjustment → 4) Output limits | |
| Accuracy (25 ° C) | The greater of the following: ± 0.05% or ± 0.1 ° C | |
| Temperature coefficient | Pt100: 0.009%/ ° C JPt100: 0.01%/ ° C Pt50: 0.02%/ ° C Ni508.4: 0.012%/ ° C | |
| Resolution | 1/64,000 | |
| Sensing method | 3-wire method | |
| Allowable lead wire resistance | 20 Ω max. per wire | |
| Input detection current | 0.5 mA | |
| Warmup time | 10 min | |
| Response time | 100 ms (travel time from input 0% to 90%, for step input and with moving average for 4 samples) | |
| Conversion period | 10 ms/2 inputs | |
| Maximum time to store data in CPU Unit | Conversion period + one CPU Unit cycle | |
| Disconnection detection | Detects disconnections at each input and turns ON the Disconnection Detection Flag. Hardware detection time: Approx. 0.5 s max. The process value overrange direction for when a disconnection occurs can be specified. (High: 115% of set input range; low: - 15% of set input range) | |
| Function | Mean value processing (input filter) | Calculates the moving average for the specified number of process values (1 to 128), and stores that value in the CIO Area as the process value. |
| Process value alarm | Process value 4-point alarm (HH, H, LL, L), alarm hysteresis, and ON-delay timer (0 to 60 s are available). | |
| Rate-of-change calculation | Calculates the amount of change per comparison time interval (1 to 16 s). | |
| Rate-of-change alarm | Rate-of-change 2-point alarm (H, L), alarm hysteresis, and ON-delay timer (0 to 60 s are available, shared with process value alarm). | |
| 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 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) analog input 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 analog inputs, 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. | |
| Isolation | Between temperature inputs and between input terminals and PLC signals: Power supply isolated by transformers, signals isolated by photocouplers. | |
| Insulation resistance | 20 M Ω (at 500 V DC) between inputs | |
| Dielectric strength | Between inputs: 1,000 V AC, at 50/60 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 | Four LED indicators on front panel (for normal operation, errors detected at the Resistance Thermometer Input Unit, errors detected at the CPU Unit, and use of external power supply). | |
| Front panel connector | Sensor input connector terminal block (detachable) | |
| Effect on CPU Unit cycle time | 0.3 ms | |
| Current consumption | 5 V DC at 180 mA max. | |
| External power supply | 24 VDC +10%/ - 15% 70 mA max., inrush current: 20 A for 1 ms max. (The external 24-VDC power supply must be isolated.) | |
| Dimensions | 31 × 90 × 65 mm (W × H × D) | |
| Weight | 150 g max. | |
| Standard accessories | None | |
CJ1W-PTS52 Isolated-type Resistance Thermometer Input Unit (Pt100, JPt100)
| Item | Specifications | |
| Model | CJ1W-PTS52 | |
| Applicable PLC | CJ Series | |
| Unit classification | CJ-series Special I/O Unit | |
| Mounting position | CJ-series 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 data exchange with CPU Unit | Special I/O Unit Area | 10 words/Unit Resistance Thermometer Input Unit to CPU Unit: All process values, process value alarms (L, H), conversion data enabled flags, sensor errors. |
| DM Area words allocated to Special I/O Units | 100 words/Unit CPU Unit to Resistance Thermometer Input Unit: Temperature sensor type, input range (user set), process value alarm setting (L, H), zero/span adjustment value. | |
| Number of temperature sensor inputs | 4 | |
| Temperature sensor type | Pt100 (JIS, IEC), JPt100 Sensor type, input range, and scaling to industrial units are the same for all I/O. | |
| Data storage in the CIO Area | The actual process data in the input range is stored in four digits hexadecimal (binary or BCD values) in the allocated words in the CIO Area. | |
| Accuracy (25 ° C) | ± 0.3% of PV or ± 0.8 ° C, whichever is greater, ± 1 digit max. ± 0.3% of PV or ± 1.6 ° F, whichever is greater, ± 1 digit max. PV: Process value data | |
| Temperature characteristics | Refer to Datasheet. | |
| Sensing method | 3-wire method | |
| Influence of conductor resistance | 0.4 ° C/ Ω max. | |
| Warmup time | 10 min | |
| Conversion period | 250 ms/4 inputs | |
| Maximum time to store data in CPU Unit | Conversion period + one CPU Unit cycle | |
| Sensor error detection | Detects sensor error at each input and turns ON the Sensor error Flag. Hardware detection time: Approx. 0.5 s max. The process value overrange direction for when a sensor error occurs can be specified. (High: +20 digit of set input range; low: - 20 digit of set input range) | |
| Function | Process value alarm | Process value 2-point alarm (H, L), alarm hysteresis, and ON-delay timer (0 to 60 s are available). |
| External alarm outputs | NPN outputs (with short-circuit protection) External power supply voltage: 20.4 to 26.4 V DC Max. switching capacity: 100 mA (for one output) Leakage current: 0.3 mA max. Residual voltage: 3 V max. | |
| Isolation | Between inputs and PLC signal: Transformer for power supply and photocoupler for signals Between each input: Transformer for power supply and photocoupler for signals | |
| Insulation resistance | 20 M Ω max. (at 500 V DC). Between all output and NC terminals and external AC terminals (Power Supply Unit) Between all input terminals and external AC terminals (Power Supply Unit) Between all input terminals and all output terminals Between all external DC terminals (input, output, and NC terminals) and FG plate Between all input and output terminals and all NC terminals | |
| Dielectric strength | Between all output and NC terminals and external AC terminals (Power Supply Unit) 2,000 V AC, 50/60 Hz 1 min., detection current: 1 mA Between all input terminals and external AC terminals (Power Supply Unit) Between all input terminals and all output terminals Between all external DC terminals (input, output, and NC terminals) and FG plate 1,000 V AC, 50/60 Hz 1 min., detection current: 1 mA Between all channels 500 VAC, 50/60 Hz 1 min., detection current: 1 mA | |
| External connections | Terminal block (detachable) | |
| Unit number settings | Set by rotary switches on front panel, from 0 to 95. | |
| Indicators | Seven LED indicators on front panel (for normal operation, errors detected at the Resistance Thermometer Input Unit, errors detected at the CPU Unit, and four indicators for external alarm outputs.) | |
| Effect on CPU Unit cycle time | 0.4 ms | |
| Current consumption | 5 V DC at 250 mA max | |
| Dimensions | 31 × 90 × 65 mm (W × H × D) Note: The height including the Backplane is 145 mm. | |
| Weight | 150 g max. | |
Caution: In the interenst of product improvement, specifications are subject to change without notice.