ATO C512 User Manual

Portable high precision signal generator

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C512 Portable High Precision

Signal Generator User Manual

C5123.0C11

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800-585-1519

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Page 1 C512 Portable High Precision Signal Generator User Manual C5123.0C11 www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 2 The company is not responsible for the accident and harm caused by user error operation.  The function described in this user manual is not used as a reason for the special purpose of the product. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 3 AC/DC power adapter. It can be used for the output of various specifications of the industrial signal. Please refer to the following table： “Summary of output function”。 In addition to the functions of【Table 1】, C512 also has the following characteristics and functions： ...
Page 4 Thermocouple（TC） K，E，J，T，R，B，S，N Continuous pulse output and pulse counting mode output Pulse Frequency Range：2Hz~10kHz Switching output and switching output Switch Quantity Frequency Range：2Hz~10kHz 24V External supply mode, memory, Other Functions record Table 1： Summary of Output Function www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 5 Please do not use this product outside the scope of the specification provided.  Please do not use in flammable and explosive places.  Please avoid being installed on the top of the instrument (heater, www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 6  The company does not undertake any direct or indirect loss other than the product itself.  The company reserves the right to change the product specification without notice. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 7: Table Of Contents
5.3.4 Step span and the direction key to adjust the output (analog signal)......................33 5.3.5 Output DC Voltage..............36 5.3.6 Output direct current..............37 5.3.7 Analog transmitter output（mA Sink........38 5.3.8 Output resistance..............40 5.3.9 thermal: analog thermal resistance output......43 5.3.10 thermal: Analog thermocouple output.........45 www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 8 5.3.14 Common output value for storager........61 5.3.15 Read common output values..........63 5.4 Parameter setting instructions............65 5.4.1 Password checking..............66 5.4.2 Parameter setting..............67 5.4.3 Output calibration..............70 5.4.3 Query instrument serial number and restore factory setting .........................80 6． Information of version number..............82 www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 9: 1． Matters Needing Attention
Must be in accordance with the provisions of this user manual to use C512.  Check the C512 before use, if the C512 is damaged, please do not use it.  Before using C512, please make sure the battery compartment is closed.
Page 10  Special attention to the use of environmental requirements, not in the explosive gas, steam or dust in the vicinity of the use of C512.  When the instrument is located in the ambient humidity of less than 30%, please use the C512 to take effective measures to prevent static electricity.
Page 11  If you are using the AC/DC power adapter to C512 power supply, C512 long time does not use, please unplug the power plug and disconnect the power supply completely off, avoid long-term electricity damage caused by the internal circuit of C512.
Page 12 If you use C512 dedicated AC / DC power adapter, please unplug the power plug disconnect the power supply, and disconnect the connection output pen with a target device. Then contact the supplier to detect the instrument.
Page 13: 2． Technical Specifications
2.Technical Specifications 2.1 Standard Equipment List As shown in the following list of the equipment are included in the set of your C512 portable high-precision signal generator and related accessories in the product package ：（※ Parts need to be purchased separately）...
Page 14 The Following Parts of the Sketch Map Host Pen Line + Pen Clip（3） Probe（2）※ www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 15: Technical Index
2.2 Technical Index  Power Supply： 4 AA（No.5，1.5V）battery And power supply through the power adapter, Power adapter input voltage range ： 110~220V AC  Work Environment： Temperature 0℃~50℃，Humidity≤80%R•H， None Condensing Storage Environment Temperature -25℃~60℃  ：， www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 16  Output Accuracy：See the table below (should be at least 20 minutes warm-up after use (should) temperature on C512 calibration using high precision equipment, control in 23 + 5 DEG C, relative humidity of 35%~70% R - H, and preheating for more...
Page 17 0~4000.0 4kΩ 0.1Ω ±(0.015%+0.3Ω) Ω (Added maximum error of 0.5Ω with 0.05mA excitation） -200~0℃：0.3℃ Pt100-385 Thermal -200℃~8 Temperature Pt100 0.1℃ 0~400℃：0.4℃ Resista 50℃ Scale 400~850℃：0.5℃ Pt100、Cu50 is -200~100℃：0.2℃ Pt100 -200℃~8 0.1℃ 50℃ ±1mA Excitation 100~300℃：0.3℃ www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 18 370℃ scale 400~1200℃：0.6℃ Thermo Cold end 1200~1370℃：0.7℃ couple compensation -200~-100℃：0.5℃ -200℃~1 error is not 0.1℃ -100~600℃：0.5℃ 000℃ included in the 600~1000℃：0.4℃ accuracy -200~-100℃：0.5℃ -200℃~1 0.1℃ -100~800℃：0.4℃ 200℃ 800~1200℃：0.6℃ -200℃~4 0.1℃ -200~400℃：0.4℃ 00℃ -200℃~1 0.1℃ -200~-100℃：0.6℃ www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 19 Note 2 ： Output resistance function due to the adoption of the principle of electronic synthesized resistor, therefore, in to non-constant current (line 4), non SHUANGHENG flow (three wire system) for measuring instrument with resistance signals may cause fluctuations in volatility is www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 20 [3.4 wiring of the depiction] and [5.3.8 output resistance]. Note 4 ： The relationship between the output accuracy and the excitation current in the output of the resistance and the heat resistance is shown in [3.5 Explanation of precision on accuracy]. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 21: 3． Shape And Connection
3.Shape and Connection 3.1 Outline Dimension Figure 3.1 Outline Dimension Chart（Unit：mm） www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 22: Liquid-Crystal Display
The set value is in the input indicator Cold end sensor insert status flag Cold end compensation start flag Step output indicator span Storage location storage / read common output value Cold end compensation real time refresh flag Modify row indicator parameters www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 23: Key Note
Note ： the above description is only as a general introduction to the use of the state, in the use of the display state of the specific instructions, please refer to the following instructions for the operation of the instrument 3.3 Key note Figure 3.3 Schematic diagram of the key area www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 24 Adjust the storage / reading position ▲ ▼ Up and Down Key when the common value is stored / read. Adjust the size of the parameter in the parameter setting. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 25 Figure 3.4 Schematic diagram of output terminal H： Output Signal：Positive Output（+） L： Output Signal：Common terminal（2 ports） Please refer to [figure 3.5] shows, the red pen line is inserted into the H jack; black pen line is inserted into the L jack. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 26 H port two lines Resistance & Thermal 2 L ports both connected superimposed on resistance 4 wire system the inserted Pulse Signal Either of the 2 L ports probe. Switching Signal Either of the 2 L ports www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 27 MPC-DK-9.5V-B power adapter provides continuous power supply to the meter. （※ Accessories need to be purchased separately, using the instructions on the other） In order to ensure safety, the connection must be carried out after the power failure. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 28: Instructions On Accuracy
3.5 Instructions on Accuracy Output connection method of four wire resistance： C512 support to the non-constant current method (4 wire system) to measure the instrument and meter to provide resistance signal. At wiring method, in addition to according to the wiring method [Figure 3.4] to connect three pens, also need to show in figure "H：...
Page 29 C512. When using C512, you should also pay attention to the range of the excitation current and the impact on the accuracy of the resistance profile (see the next item on this page).
Page 30 AC / DC power adapter MPC-DK-9.5V-B, cannot use 1 AC / DC power adapter to power multiple C512, otherwise will lead to instrument output function abnormal or damaged.  Calibration： Due to the factors mentioned above, it is recommended to do the local calibration on the job.
Page 31 Please refer to product selection, standard type high precision signal generator user manual, and infrared -RS485 communication converter user manual and other products. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 32: 4． Prior To Use
 The effect of ambient temperature and humidity on the output www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 33: Battery Usage Notes
 If you do not use C512 for a long time, please take out the battery. 4.3 Install and Replace Batteries Step 1： press the power button to shut down; unplug the AC / DC ...
Page 34 The lower left corner of the instrument is shown on the right side of  the power plug： Indicates that the C512 is powered by the AC/DC power adapter. The lower left corner of the meter displays the battery symbol as ...
Page 35  Once plugged in the AC/DC power adapter, and the power adapter is connected to the AC 220V power supply, C512 will automatically switch to power supply adapter.  AC/DC power adapter only play a continuous supply of the role, cannot charge the battery.
Page 36: 5． Instrument Operation And Operation
(the ground). Applying a voltage between the 30V and the input terminals will result in the failure of the factory certification of C512 and may cause permanent damage to the device and cannot be used.
Page 37: Boot
After starting, the output value is neutral. (For open circuit condition, no signal output. Back end circuit) 1. C512 after the boot, the default display the last time before the output signal of the signal type, unit and signal value.
Page 38 Table 5.2 Switch signal type button function www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 39: Modify And Output The Set Value (Analog Signal)
5.3.3 Modify and output the set value (analog signal) 1. Normal operation status display： Figure 5.1 Normal operation state display screen www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 40 Modify the current modified values (if the modified values exceed the current signal type to allow the value of the upper and lower limits of the value, then show the modified value directly to the corresponding upper and lower limit). CLEAR Reset current modified values。 www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 41: Step Span And The Direction Key To Adjust The Output (Analog Signal)
According to the minimum value of the current signal output (about the minimum value of each signal can be referred to in [table 2.2] in the "set range" column. On the basis of the value of the signal, according to the ▼25% www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 42 4mA (current value is less than 4mA, press this button, the current output value becomes 0.000mA). ▲25% Every time the button , the current output value in the existing www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 43 4mA (current value is greater than 20mA by this key, the current output value becomes 24.000mA. Button , the current output value is changed to 0.000mA. Button , the current output value is changed to 24.000mA. 100% www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 44: Output Dc Voltage
ENTER Step 3：Press the key to confirm the output, the display ENTER state becomes C512, according to the current set value output voltage signal. Step 4：Repeat [step 2~3] can output new voltage value. In the process of typing a new voltage set value, the output signal will maintain the size of the last set value.
Page 45: Output Direct Current
/ lower limit. When the set value was modified, the status was displayed as ● ● ● Step3: The key of ENTER was pressed to confirm the output, then www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 46: Analog Transmitter Output（Ma Sink
ENTER the display status changed to and C512 output current signal according to the present setting value. Step4: New current value could be output by repeating [step 2 and step 3]. In the process of setting the new current value, the output signal would remain the setting value of the last current.
Page 47 Step 2~6： operating method was the same as that of [5.3.6] section. The setting value of upper and lower limit for mA Sink and the step span value were all consistent with the mA Source. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 48: Output Resistance
5.3.8 Output resistance Notice：  The Resistance output of C512 was applicable to the target device (measuring instrument, such as a resistance table) in resistance measurement by the method of excitation current "I": When C512 connected with such equipment, corresponding voltage "V=R×I" would be produced between the output terminals of C512 according to the excitation current signal "I"...
Page 49 (see parameter setting method in [5.4.2] section). Note: when the excitation current changed, the correction term might need to be adjusted. When C512 was used, the attention should be paid to the excitation current range of resistance and its influence on the accuracy.
Page 50 ENTER and C512 output resistance signal according to the present setting value. Step4：New resistance value could be output by repeating [step 2 and step 3]. In the process of setting the new resistance value, the output signal would remain the setting value of the last resistance.
Page 51: Thermal: Analog Thermal Resistance Output
[table 2.2].  All resistance signals output by C512 did not include lead resistance. In order to output the precise resistance signals, 3-wire or 4-wire connection was suggested to be used.
Page 52 Step3： The key of was pressed to confirm the output, then ENTER the display status changed to and C512 output ENTER thermal resistance signal according to the present setting value. Step4 ： New temperature setting value could be output by repeating [step 2 and step 3].
Page 53: Thermal: Analog Thermocouple Output
 Thermocouple signal was added to the cold junction compensation, the range of the voltage output was still -10mV~110mV.  When C512 was plugged with the cold junction sensor, the sensor Sensor status symbol " " would be lit in left and lower corner of the screen, as shown in [figure 3.2] as the "g".
Page 54 Therefore, with the demand for measuring equipment, refresh rate (parameter tCold) should not be set too fast. mV TC Step1: The key of was used to switch to the thermocouple TCTC www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 55 ENTER and C512 output thermocouple signal according to the present setting value. (Whether the current output had the cold junction compensation could be judged by whether the screen displayed "AUTO"...
Page 56 At this time, the secondary display area of upper row displayed the word of "cold", and the Sensor character " " in the upper left corner flashed. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 57 Figure 5.3 display status of cold junction temperature www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 58 AUTO compensation. (character of was shown for prompt, such as “h” shown in figure [3.2]). Step 4: The key of CLEAR was used to coordinate with ● the output temperature value modified to 1000℃. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 59: Output Of Frequency Signal
The display and operation mode of frequency signals were relatively more special. Please refer to the following contents for the correct operation of C512, so as to output the correct pulse or switch signal. Frequency signals were divided into the following types:...
Page 60 SWITCH Step 2: in the operation state of frequency signals, the key of could be pressed to switch between the modified contents: www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 61 100.0 Hz ~999.9 Hz 1.0kHz ~10.0 kHz Accuracy of the three gears adaptive matched with the key input Pulse amplitude “-Pv-”： 1.00V ~ 10.00V Pulse number / switch time “CYCLE”： Continuous mode cont (default) or 10~99999 cycle www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 62 Figure 5.4 The display screen 1 during the frequency signal operation: frequency value modification 图 5.5 Display screen 1 during the operation of frequency signal: frequency value modification www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 63 “ “ flashed several times. Indicating the current set frequency output signal types and the unit of the modification parameters: Pulse signal ： Switching signal ： When the pulse number (switching times) was modified: www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 64 Step4： The key of was pressed to confirm the output, then the display status changed to ENTER and C512 output according to the present setting value. （ Pulse output should be paid attention to set the pulse amplitude "-Pv-" parameters）...
Page 65 Chapter [5.3.11] made an overall introduction of the frequency signal output, and the following chapters [5.3.12] and [5.3.13] made a detailed description for the pulse output and switching value. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 66: Frequency Signal: Pulse Output
5.3.12 Frequency signal: pulse output Characteristics of C512 output pulse signal: square wave; duty ratio 50%; pulse amplitude 1~10Vp-p; Low power level was 0V; the precision of electrical level was 10%. Load > 100kΩ. Step 1: the key of was used to switch to the pulse output function, the top row showed "Hz", (shown in "C"...
Page 67: Frequency Signal: Switching Output
[step 4]). MODE Step 6: Dueing the process of pulse output for C512, the button of could be pressed to stop the pulse output, " "symbol flashed several times for prompt.
Page 68 ENTER Step4：The key of was pressed to confirm the output, and the display state changed from , C512 ENTER ● ● ● output switch value according to current set frequency value (methods for switch continuous output or in accordance with the presupposition of the switching times could refer to [step 3]).
Page 69: Common Output Value For Storager
Step 5: In the process of switch output for C512, pulse output could be MODE stopped by pressing the key of , and the symbol of " " flashed several times for prompt. 5.3.14 Common output value for storager C512 could store up to 64 sets of common output. You could store the common sets(signal types and settings) in the storage of C512 for convenient call at any time.
Page 70 [Figure 5.1] (when the word of "SAVE" disappeared from the upper row, flashing content stopped). The set value of lower row was cleared as zero, and the signal type was still the www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 71: Read Common Output Values
No.50 location. 5.3.15 Read common output values According to the previously mentioned storage value of "store commonly used output value" function, it could be read at any time. 1. Read the display content of operation status: www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 72 A complete reading process was as follows: RECALL ⑴ During the normal operation of C512, the key pressed and C512 switched to display of reading state: the displaying content was shown in [figure 5.8]. ⑵ By pressing the key of to switch and select ▲...
Page 73: Parameter Setting Instructions
123.45Ω. 5.4 Parameter setting instructions Note: in the setting picture for about 1 minute, there was no key operation, and C512 automatically returned to normal operation state. www.ato.com sales@ato.com...
Page 74: Password Checking
If the password was correct it entered the corresponding parameter group, otherwise returned to password checking status and the display returned to the state as shown in [figure 5.9]. Password value： 8205： Entering instrument parameter setting status 1111： Entering signal calibration status www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 75: Parameter Setting
Querying machine serial ID Every time when C512 was operated from password checking state back to common using state, C512 was in the neutral position (i.e., in a state of open circuit, without signal output, so the back-end circuit was protected). At this time, the main display only showed a row of "- - - - -".
Page 76 Automatic shutdown with the unit of minute was set as 999 (factory default), indicating the shield of automatic shutdown function. *Co-iA，Co-Fi： These two parameters were used to coordinate the automatic compensation output of the thermocouple cold junction temperature, which should be used in accordance www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 77 R1inA parameter. When the constant current excitation of the instrument output at the resistance gear of C512 and it was not equal to the above current value. The deviation of several actually measured points were recorded, and the average value of www.ato.com...
Page 78: Output Calibration
Preheat：C512 needed to boot and preheat for more than 20 minutes in the calibration environment. To Calibrate C512, the high precision digital meter that had high accuracy than C512 should be used, such as high precision digital meter with six and a half locations etc.. So the output accuracy indicator of C512 could be satisfied for in the transfer process.
Page 79 Evyery signal output gear of C512 relied on the two high and low calibration points to of calibrate the output accuracy. Calibration point Low point0（L） High point FS（H） Signal type and Remark gear position Parameter Default Parameter Default symbol value...
Page 80 ► arrow indicated the current modification position (high point of calibration entered the upper row parameters, low point of the calibration entered the lower row parameters). Current signal type to be calibrated。 2. Display content of the calibration value in the modification status： www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 81 Each time when the output confirmation key of SOURCE pressed, the set value was output, and the the symbol could be lit and flashed several times, so the current C512 was prompted to output according to the set code value. Prompt modification：...
Page 82 Before the calibration, please refer to the connection mode in [table 3.2], and to well connect C512 and high precision digital meter for calibration. The calibration of resistance signal could be according to the actual demand to choose connection mode of 2 wire, 3 wire, 4 wire system.
Page 83 DA code value. When the output was stable, the measured value on the high accuracy digital meter of C512 output signal was checked for the judgment whether it was the same as the physical value of the current calibration point set in "step 6".
Page 84 Step6: by observing the high precision digital meter which measured the mV output of C512, the measured mV value was checked and judged whether it was equal to 100mV, and the DA code value most close to 100mV was chosen as the STORE standard value.
Page 85 0mV during the calibration process, and the recommended value was 1mV; the negative mV value should not be selected as the calibration point, because C512 and external calibration equipment all could be affected by the thermocouple effect. ⑶ The thermal resistance and thermocouple signals need not be...
Page 86 ⑷ In the output of the thermal signal (thermal resistance, thermocouple), the selection of the calibration low point and high point for the correspondingly dependent calibration signal should referred to the allowable setting temperature range according to [table 2.2]. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 87 When the battery power was too low, the calibration should not be done, otherwise it might lead to a larger deviation of the accuracy. In order to ensure safety in the calibration, the wiring connection must be carried out after the power off. www.ato.com sales@ato.com Global Shipping 800-585-1519...
Page 88: Query Instrument Serial Number And Restore Factory Setting
1. Query table serial number： Referring to [5.4.1] section, the password was set as 9999. After the confirmation, the unique Serial ID of each C512 could be seen, as shown in [figure 5.13]. Figure 5.13 Query state of machine serial ID...
Page 89 C512. Instrument parameters are returned to the default state in [table 5.14] and the common output storage was cleared.
Page 90: 6． Information Of Version Number
0℃. Cold junction sensor should be bought separately (model: MPC101B).  Load capacity of DC current output gear mA source of C512 was 19V. If the user required that the load capacity was more than 1K @20mA for the current C512 instrument, it was recommended for the user to switch to the function of mA Sink.
Page 91 RS485 communication network), the C512 should be chosen as the type of standard high precision signal generator.  High precision signal generator with standard type had the infrared communication function, and it could achieve the two-way communication with computers by using an infrared isolation converter.