JYTEK JY-6312 Advanced Channel To Channel Isolated TherMocouple Input Module
JY-6312 Specifications
Overview
The JY-6312 is an advanced channel-to-channel isolated thermocouple input module that offers exceptional performance and versatility for a wide range of applications. With its 16 channels of measurements, it allows simultaneous measurement of multiple thermocouples, making it ideal for various industrial and testing environments. The module boasts high accuracy of up to 0.05% full-scale, ensuring precise and reliable temperature measurements. Its 24-bit resolution captures even the slightest temperature variations with great detail. Additionally, the JY-6312 incorporates 50 Hz/60 Hz noise rejection capabilities, minimizing interference from power line frequencies commonly found in industrial settings. It also includes open thermocouple detection, alerting users to any broken or disconnected thermocouple circuits. The module supports a wide range of voltage inputs, making it compatible with various thermocouple types. With its 60 Vrms channel-to-channel isolation, the JY-6312 provides reliable measurements even in noisy and demanding environments. Whether for white goods testing, in-vehicle data logging, battery stack testing, or other industrial applications, the JY-6312 offers the accuracy, reliability, and flexibility required for precise thermocouple measurements.
Please download JYTEK <JYPEDIA>, you can quickly inquire the product prices, the key features and available accessories.
Main Features
- 16 channels simultaneous measurement
- Up to 220 ppm full scale accuracy
- 24 bits resolution
- 50 Hz/60 Hz noise rejection
- 4 cold-junction compensation channels provided by 1 TB-6312 terminal blocks
- 60 Vrms channel-to-channel isolation
- Open Thermocouple Detection
- Voltage range supported: ±1.25V / ±625mV / ±312.5mV ±156.2mV/ ±78.125 mV
- Support R/S/B/J/T/E/K/N/C/A types of thermocouples
- Simultaneous measurement of thermocouples and voltages
Hardware Specifications
Input Characteristic
Table 1 Input Characteristic
Basic Voltage Accuracy
Sample Rate: 8 Sample/s
Table 2 Basic Voltage Accuracy (@ 8 Sample/s)
Sample Rate: 100 Sample/s
Table 3 Basic Voltage Accuracy (@ 100 Sample/s)
Sample Rate: 160
Sample/s
Table 4 Basic Voltage Accuracy (@ 160 Sample/s)
Table 4 Basic Voltage Accuracy (@ 160 Sample/s)
Table 5 Temperature measurement accuracy
Channel Isolation
JY-6312 has new designs including 60 Vrms channel-to-channel isolation and noise reduction.
Simultaneous Measurement of Thermocouples and Voltages
JY-6312 not only measures thermocouples but also has the capability to measure±1.25V voltage (with a total of 5 voltage ranges), allowing simultaneous measurement of thermocouples and voltages.
Open Thermocouple Detection (OTD)
Table 6 Open Thermocouple Detection (OTD)
Common Mode Voltage Range
Table 7 Common Mode Voltage Range
CMRR
Table 8 CMRR
PFI Specifications
Table 9 PFI Specifications
System Noise
Table 10 System Noise
Power Line Noise Rejection
Table 11 Power Line Noise Rejection
Digital Trigger
Table 12 Digital Trigger
Bus Interface
Table 13 Bus Interface
Physical Characteristics
Table 14 Physical Characteristics
Power Requirements
Table 15 Power Requirements
Environment Specifications
Operating Environment
Table 16 Operating Environment
Storage Environment
Table 17 Storage Environment
Order Informations
- PXIe-6312 (PN: JY8475773-01)
16- ch 24-bit PXle ch-to-ch isolated thermocouple input module - PCIe-6312 (PN: JY2704408-01)
16- ch 24-bit PCle ch-to-ch isolated thermocouple input module - USB-6312 (PN: JY9335442-01)
16- ch 24-bit USB ch-to-ch isolated thermocouple input module - Accessories
- Teminal Block:
TB-6312 (PN: JY1227130-01) 68-Pin SCSl Shielded l/0 Connector Block with cold junction sensor and shunt resistor - Cable:
ACL-2026868-1 (PN: JY2026868-01) 1 M 68pin VHDCI68M-SCSI68M 100 ohm all shielded cable
ACL-2026868-2 (PN: JY2026868-02) 2 M 68pin VHDCI68M-SCSI68M 100 ohm all shielded cable
- Teminal Block:
Introduction
Overview
The JY-6312 is an advanced channel-to-channel isolated thermocouple input module that offers exceptional performance and versatility for a wide range of applications. With its 16 channels of measurements, it allows simultaneous measurement of multiple thermocouples, making it ideal for various industrial and testing environments.
JYPEDIA
We provide many sample programs for this device. Please download the sample programs for this device. You can download a JYPEDIA excel file from our web www.jytek.com. Open JYPEDIA and search for JY-6312 in the driver sheet, select JY6312 Examples.zip. In addition to the download information, JYPEDIA also has a lot of other valuable information, JYTEK highly recommend you use this file to obtain information from JYTEK.
Hardware Specifications
Front Panel
JY-6312 provides 16 channels of thermocouple measurements and 2 digital input channels (for digital triggering).
Pin Definition
Connector O
Table 18 Pin Defination
Temperature Measurement Accuracy
The accuracy of the temperature measurement depends on the thermocouple, the connectors, the terminal block, and the measuring device. This chapter provides the temperature measurement accuracy specifications by JY-6312 and specified terminal block only. The effect of the thermocouple is not included.
Thermocouple Measurement Basics
A Thermocouple temperature measurement utilizes the “Seebeck effect”, and its basic measurement principle is shown in the Figure 1.
Figure 3 Thermocouple Temperature Measurement Principle
Two different types of metals A and B are connected to each other, and the temperature difference between the temperature measuring contact Th (Metal Junction) and the reference contact Tc (Thermocouple Display Instrument Contact) is used to generate the corresponding voltage, also called the Electromotive Force （EMF）in the standards. This voltage is measured by JY-6312 and is then converted the temperature values using a conversion formula defined by the standard.
Thermocouple Accuracy
A thermocouple has its own accuracy, also called the error tolerance in many international standards. Table 19 shows the accuracies of common thermocouple types by two commonly used standards. Using the K-type as an example. Each K-type thermocouple falls into one of the three classes. The maximum accuracy of class 1 of the K-type thermocouple is ±1.5°C or ±(0.004*|T|), whichever is bigger. T is the measured temperature value in °C.
If the measured temperature is -30°C, 0.004*|-30| = 0.12°C, so the accuracy is±1.5°C. If T=1000°C, 1000*0.004=4°C, so the accuracy is ±4°C.
Table 19 Err1：Thermocouple Tolerance Class Information
The accuracies given by Table 19 are valid for thermocouple material only. It is important that users verify the accuracy of the thermocouple from the thermocouple manufacturer.
Temperature Measurement Accuracy by JY-6312
A thermocouple converts a temperature reading to a voltage which is then measured by JY-6312. The standard provides the conversion formula for different thermocouples and for different temperature ranges. Table 20 shows the temperature measurement accuracy using JY-6312 for each type and each range of thermocouple. The operating conditions are also listed in the table.
Table 20 Err2：Temperature Measurement Accuracy
It is important to note that the accuracy data only includes the measurement errors by JY-6312, using the specified ACL-2026868-01 cable and the TB-68CJ terminal block. It does not include the errors of the thermocouple itself. To get the total measurement accuracy, users must check with thermocouple error specifications from the thermocouple manufacturer. Section 4.3.4 provides the information how to calculate the total accuracy.
Total Temperature Measurement Accuracy
The total temperature measurement accuracy consists of the errors due to the thermocouple and measurement errors by JY-6312 as shown in Figure 3. It can be calculated by:
Err1 is the thermocouple error from Table 19 of Section4.3.2. Err2 is the temperature measurement accuracy from Table Table 20 of Section 4.3.3.
Table 21 shows two calculations for the total accuracies when using a class 1 K-type thermocouple to measure 100 ºC and 800ºC temperatures with 8 Sample/s sample rate. The two temperatures fall into different range. Hence the temperature measurement errors by JY-6312 are different.
Accuracy Not Listed
Table 20 lists the temperature measurement accuracies for most common applications. There are other factors affecting the measurement accuracy. Most important factors are 1) when the operating temperature is beyond the Tcal±1°C range, and 2) when the cold junction reference temperature are different from the operating temperature as assumed in Table 20. It is not possible to list all these accuracies. JYTEK provides a utility in JY-6312 C# example to calculate the accuracy for those conditions. Users can enter required operating parameters to obtain accuracy not listed in Table 20
Software
System Requirements
JY-6312 boards can be used in a Windows or a Linux operating system.
- Microsoft Windows: Windows 7 32/64 bit, Windows 10 32/64 bit.
- Linux Kernel Versions: There are many Linux versions. It is not possible JYTEK can support and test our devices under all different Linux versions. JYTEK will at the best support the following Linux versions.
Table 22 Supported Linux Versions
System Software
When using the JY-6312 in the Window environment, you need to install the following software from Microsoft website:
Microsoft Visual Studio Version 2015 or above, .NET Framework version is 4.0 or above. NET Framework is coming with Windows 10. For Windows 7, please check .NET Framework version and upgrade to 4.0 or later version.
Given the resources limitation, JYTEK only tested JY-6312 be with .NET Framework 4.0 with Microsoft Visual Studio 2015. JYTEK relies on Microsoft to maintain the compatibility for the newer versions.
C# Programming Language
All JYTEK default programming language is Microsoft C#. This is Microsoft recommended programming language in Microsoft Visual Studio and is particularly suitable for the test and measurement applications. C# is also a cross platform programming language.
JY-6312 Hardware Driver
After installing the required application development environment as described above, you need to install the JY-6312 hardware driver. JYTEK hardware driver has two parts: the shared common driver kernel software (FirmDrive) and the specific hardware driver. Common Driver Kernel Software (FirmDrive): FirmDrive is the JYTEK’s kernel software for all hardware products of JYTEK instruments. You need to install the FirmDrive software before using any other JYTEK hardware products. FirmDrive only needs to be installed once. After that, you can install the specific hardware driver.
Specific Hardware Driver: Each JYTEK hardware has a C# specific hardware driver. This driver provides rich and easy-to-use C# interfaces for users to operate various JY-6312 function. JYTEK has standardized the ways which JYTEK and other vendor’s DAQ boards are used by providing a consistent user interface, using the methods, properties and enumerations in the object-oriented programming environment. Once you get yourself familiar with how one JYTEK DAQ card works, you should be able to know how to use all other DAQ hardware by using the same methods.
Note that this driver does not support cross-process, and if you are using more than one function, it is best to operate in one process.
Install the SeeSharpTools from JYTEK
To efficiently and effectively use JY-6312 boards, you need to install a set of free C# utilities, SeeSharpTools from JYTEK. The SeeSharpTools offers rich user interface functions you will find convenient in developing your applications. They are also needed to run the examples come with JY-6312 hardware. Please register and down load the latest SeeSharpTools from our website, www.jytek.com.
Running C# Programs in Linux
Most C# written programs in Windows can be run by MonoDevelop development system in a Linux environment. You would develop your C# applications in Windows using Microsoft Visual Studio. Once it is done, run this application in the MonoDevelop environment. This is JYTEK recommended way to run your C# programs in a Linux environment.
If you want to use your own Linux development system other than MonoDevelop, you can do it by using our Linux driver. However, JYTEK does not have the capability to support the Linux applications. JYTEK completely relies upon Microsoft to maintain the cross-platform compatibility between Windows and Linux using MonoDevelop.
Calibration
JY-6312 Series boards are pre calibrated before the shipment. We recommend you recalibrate JY-6312 board periodically to ensure the measurement accuracy. A commonly accepted practice is one year. If for any reason, you need to recalibrate your board, please contact JYTEK.
Using JY-6312 in Other Software
While JYTEK’s default application platform is Visual Studio, the programming language is C#, we recognize there are other platforms that are either becoming very popular or have been widely used in the data acquisition applications. Among them are Python, C++ and LabVIEW. This chapter explains how you can use JY-6312 DAQ card using one of this software.
Python
JYTEK provides and supports a native Python driver for JY-6312 boards. There are many different versions of Python. JYTEK has only tested in CPython version 3.5.4. There is no guarantee that JYTEK python drivers will work correctly with other versions of Python.
If you want to be our partner to support different Python platforms, please contact us.
C++
We recommend our customers to use C# drivers because C# platform deliver much better efficiency and performance in most situations. We also provide C++ drivers and examples in the Qt IDE, which can be downloaded from web. However, due to the limit of our resources, we do not actively support C++ drivers. If you want to be our partner to support C++ drivers, please contact us.
LabVIEW
LabVIEW is a software product from National Instruments. JYTEK does not support LabVIEW and will no longer provide LabVIEW interface to JY-6312 boards. Our third-party partners may have LabVIEW support to JY-6312 boards. We can recommend you if you want to convert your LabVIEW applications to C# based applications.
Appendix
Typical Measurement Error
Typical measurement error is a term used to describe the variation or uncertainty in a measurement that is repeated under the same conditions. It can be caused by random errors (chance differences between observed and true values) or systematic errors (consistent biases in measurement).
Typical measurement error can be expressed as a standard deviation (the typical error of measurement) or as a percentage of the mean (the coefficient of variation).
System Noise
System noise refers to any unwanted and random fluctuations or disturbances in a physical or electronic system that can interfere with its normal operation. System noise can arise from various sources such as electrical interference, thermal noise, environmental factors, and inherent limitations of the system’s components.
In electronic systems, system noise can affect the accuracy and reliability of signal processing and communication. For example, in audio systems, system noise can lead to hissing or humming sounds, and in wireless communication systems, it can cause interference and reduce the quality of the signal.
Reducing system noise is an important consideration in the design and operation of many types of systems, and engineers use various techniques to mitigate its effects, including shielding, filtering, and signal processing algorithms.
Temperature Drift
Temperature drift refers to the phenomenon where the performance or behavior of a physical or electronic system changes as the temperature changes. Temperature drift can affect various parameters such as frequency, voltage, resistance, and sensitivity, and it can cause errors or inaccuracies in the system’s operation.
In electronic systems, temperature drift can arise due to the temperature dependence of the properties of the system’s components, such as resistors, capacitors, and transistors. For example, the resistance of a resistor increases with temperature, and this can affect the accuracy of voltage measurements in a circuit. Similarly, the frequency of an oscillator can drift due to the temperature dependence of its resonant circuit components. Temperature drift is an important consideration in the design and operation of many types of systems, particularly those that require high accuracy and stability over a wide range of temperatures. Engineers use various techniques to compensate for temperature drift, including using temperature sensors to monitor and control the temperature, selecting components with low temperature coefficients, and implementing temperature compensation algorithms in software or firmware.
About JYTEK
JYTEK China
Founded in June, 2016, JYTEK China is a leading Chinese test & measurement company, providing complete software and hardware products for the test and measurement industry. The company has evolved from re-branding and reselling PXI(e) and DAQ products to a fully-fledged product company. The company offers complete lines of PXI, DAQ, USB products. More importantly, JYTEK has been promoting open-sourced based ecosystem and offers complete software products. Presently, JYTEK is focused on the Chinese market. Our Shanghai headquarters and production service center have regular stocks to ensure timely supply; we also have R&D centers in Xi’an and Chongqing. We also have highly trained direct technical sales representatives in Shanghai, Beijing, Tianjin, Xi’an, Chengdu, Nanjing, Wuhan, Guangdong, Haerbin, and Changchun. We also have many patners who provide system level support in various cities.
JYTEK Software Platform
JYTEK has developed a complete software platform, SeeSharp Platform, for the test and measurement applications. We leverage the open sources communities to provide the software tools. Our platform software is also open sourced and is free, thus lowering the cost of tests for our customers. We are the only domestic vendor to offer complete commercial software and hardware tools.
JYTEK Warranty and Support Services
With our complete software and hardware products, JYTEK is able to provide technical and sales services to wide range of applications and customers. In most cases, our products are backed by a 1-year warranty. For technical consultation, pre-sale and after-sales support, please contact JYTEK of your country.
Statement
The hardware and software products described in this manual are provided by JYTEK China, or JYTEK in short.
This manual provides the product review, quick start, some driver interface explanation for JYTEK JY-6312 Series family of multi-function data acquisition boards. The manual is copyrighted by JYTEK. No warranty is given as to any implied warranties, express or implied, including any purpose or non-infringement of intellectual property rights, unless such disclaimer is legally invalid. JYTEK is not responsible for any incidental or consequential damages related to performance or use of this manual. The information contained in this manual is subject to change without notice.
While we try to keep this manual up to date, there are factors beyond our control that may affect the accuracy of the manual. Please check the latest manual and product information from our website.
Shanghai Jianyi Technology Co., Ltd.
- Address: Room 201, Building 3, NO.300 Fangchun Road, Shanghai.
- Post Code: 201203
- Tel: 021-5047 5899
- Website: www.jytek.com
JY-6312 V1.0.7 | jytek.com
Frequently Asked Questions
- Q: What are the different order options available for JY-6312?
A: The JY-6312 is available in PXIe-6312, PCIe-6312, and USB-6312 variants with different product codes. - Q: How can I ensure accurate temperature measurements with JY-6312?
A: Properly calibrate the device according to the provided calibration instructions for accurate temperature readings.
Documents / Resources
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JYTEK JY-6312 Advanced Channel To Channel Isolated TherMocouple Input Module [pdf] User Manual V1.0.7, JY-6312 Advanced Channel To Channel Isolated TherMocouple Input Module, JY-6312, Advanced Channel To Channel Isolated Ther Mocouple Input Module, To Channel Isolated Ther Mocouple Input Module, Ther Mocouple Input Module, Input Module, Module |