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Table of Contents
Summary of Contents for Inovance GL20-4TC
- Page 1 *PS00007575A00*...
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Page 3: Standards Compliance
Preface ■ About this Guide The GL20‑4TC 4‑channel thermocouple temperature detector module can be used with Easy series products and GL20 series communication interface modules such as GL20‑RTU‑ECT. This guide describes the mechanical installation, electrical installation and programming examples of the product. ■... -
Page 4: Revision History
This guide is not in the scope of delivery. If necessary, you can download the PDF file in two ways: www.inovance.com Log in to Inovance's website ( ), choose Support > Download, ● search by keyword, and then download the PDF file. - Page 5 ● and other extreme weather events The maintenance fee is charged according to the latest Price List of Inovance. If otherwise agreed upon, the agreed terms and conditions shall prevail. For details, see Product Warranty Card.
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Page 6: Safety Precautions
4. Use this product in environments meeting the design and specification requirements; otherwise, a fault may occur. Noncompliance‑caused malfunction or damage to parts are not covered in product quality warranty. 5. Inovance shall take no responsibility of any personal injuries or property damages caused by improper use. ■... -
Page 7: Installation
During Control System Design Provide a safety circuit outside the PLC so that the control system can still work safely ● once external power failure or PLC fault occurs. Add a fuse or circuit breaker because the module may smoke or catch fire due to long‑ ●... - Page 8 Installation must be carried out by the specialists who have received the necessary ● electrical training and understood enough electrical knowledge. Disconnect all external power supplies of the system before removing/installing the ● module. Failure to do so may result in electric shock, module fault or malfunction. Do not use the PLC where there are dust, oil smoke, conductive dust, corrosive or ●...
- Page 9 To avoid electric shock, cut off the power supply before connecting the power supply of ● the HMI. The input power of the product must meet the specifications listed in this guide. If the ● power input does not meet the specifications, the equipment may be damaged. Thus, check regularly that the DC power provided by the switching‑mode power supply unit is stable.
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Page 10: Product Information
1 Product Information Model Number and Nameplate ③ I/O Points ① Product Information GL: General local module 4: 4 inputs ② Serial Number ④ Module Type 20: 20 series module TC: Thermocouple temperature detector Based on the above description of model number and nameplate, the relevant ordering data of this product is described in the following table. - Page 11 Components ‑ ‑...
- Page 12 Name Definition ON: The module is Power / running Yellow ● in normal indicator green operation. Flashing quickly: ● The module is addressed successfully. PR (POWER Flashing slowly: +RUN) ● Signal ① The module is indicators powered on, but not addressed. OFF: The module ●...
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Page 13: Technical Specifications
Technical Specifications ■ General Specifications Item Specification Rated bus input voltage 5 VDC (4.75 V DC to 5.25V DC) Rated bus input current 100 mA (typical@5 V) Rated terminal input voltage 24 VDC (20.4 V DC to 28.8 VDC) Rated terminal input current 100 mA (typical@5 V) Rated terminal output voltage Rated terminal output current... -
Page 14: Software Specifications
Item Specification Input derating Overlimit and wire break Supported detection Power consumption <0.9 W *[1]: Indicates ADC sampling accuracy, which needs to be determined based on sensor type and thermocouple detection temperature range. For details, see “ Table 1–1 ” on page 13 *[2]: The cold junction compensation error needs to be determined based on the mounting direction, adjacent module type and operating temperature range. - Page 15 Item Specification Sampling refresh Refresh asynchronously according to the sampling time, not required to refresh synchronously according to the bus cycle Stop mode Output at maximum value, no longer refreshed Wire break or overlimit Output at maximum value, no longer refreshed System diagnostics System power exception Channel diagnostics...
- Page 16 Sensor Detection range ADC Sampling Accuracy Type –200.0°C to 1300.0°C, –328.0°F to 2372.0°F <±2°C@–200°C≤T≤‑150°C <±1.5°C@–150°C≤T≤750°C <±0.2% of displayed value @ 750°C ≤ T ≤ 1300°C –210.0°C to 1200.0°C, –346.0°F to 2192.0°F ≥±1°C@–210°C≤T≤–100°C <±1°C@–100°C≤T≤500°C <±0.2% of displayed value @ 500°C ≤ T ≤ 1200°C –270.0°C to 1370.0°C, ‑454.0°F to 2498.0°F <±1.5°C@–270°C≤T≤–200°C <±1.5°C@–200°C≤T≤–100°...
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Page 17: Environmental Specifications
Table 1–2 Cold junction compensation error Installation Adjacent Module Cold junction Cold Junction Direction Type compensation error (– compensation error (0° 20°C to 0°C) C to 55°C) Horizontal, Temperature ±3°C ±1.75°C upright module Non‑temperature ±6.5°C ±4.5°C module Non‑horizontal, Temperature ±5.5°C ±4°C upright module... - Page 18 Item Specification Vibration IEC 60068‑2‑6 resistance 5 Hz to 8.4 Hz, 3.5 mm, 8.4 Hz to 150 Hz, 1 g, 10 times each in X, Y and Z directions Shock resistance IEC 60068‑2‑27 150 m/s , 11 ms, 3 times each in ±X, ±Y and ±Z directions, 18 times in total ‑...
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Page 19: Mounting Dimensions
2 Mechanical Installation Mounting Dimensions ■ Module The mounting dimensions (in mm) are shown in the figure below. ■ Cable Connection ‑ ‑... -
Page 20: Installation Method
Installation Method The module is mounted onto a DIN rail in conformity with IEC 60715 (width: 35 mm, thickness: 1 mm). The dimensions (unit: mm) are shown below. When installed on a DIN rail other than the recommended one (especially the one whose thickness is not 1.0 mm), the module will not fit in place as the mounting hook does not work. - Page 21 ■ Installing Module onto DIN Rail 1. Align the module with the DIN rail and push the module in the direction indicated by the arrow until you hear a clicking sound, as shown below. 2. Make sure the DIN rail mounting hook of the module is locked. The locked and unlocked states of the mounting hook are shown below.
- Page 22 If the mounting hook is pressed down, it is locked. ● If the mounting hook is lift up, it is unlocked. ● Press down the mounting hook so lock the module to the DIN rail. Keep the mounting hook locked when the module is not mounted on the rail. If the mounting hook is kept unlocked for an extended period of time, it may malfunction.
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Page 23: Removing Module
■ Removing Module Pry the DIN rail mounting hook upwards with a tool such as slotted screwdriver, hold the protrusions and pull the module out straight forward, and then press down the top of the DIN rail mounting hook. ‑ ‑... -
Page 24: Cable Selection
3 Electrical Installation Cable Selection The cable lug and cross sectional area of the cable listed in the following table are for reference only. Material Applicable Cable Diameter Suzhou Yuanli Name Model Crimping Model Crimping Tool tool E0308 0308 E0508 0508 Tubular 0.75... -
Page 25: Terminal Definition
Terminal Definition Left Signal Left Terminal Right Terminal Right Signal L0– L1– L2– L3– • • • • • • 24 V + ‑ ‑... -
Page 26: Terminal Wiring
Terminal Wiring ■ Cautions for Wiring Do not bundle the extension cable together with power cables (high voltage, large ● current) which produce strong interference signals; otherwise, it may be influenced by noise, surge and induction. Separate it from other cables and avoid cabling in parallel. -
Page 27: Programming Examples
4 Programming Examples The following takes input channels 0, 1, 2, 3 of the GL20‑4TC module as an example, with AM600 as the main control module. 1. Right‑click GL20_RTU_ECT and select Add Device, then select GL20‑4TC and click Add Device. 2. - Page 28 3. Add custom input variables GL20_4TC_CHI0, GL20_4TC_CHI1, GL20_4TC_CHI2, and GL20_4TC_CHI3. 4. Map the input variables GL20_4TC_CHI0, GL20_4TC_CHI1, GL20_4TC_CHI2, and GL20_4TC_CHI3 to the input channels of the configured module to complete variable mapping. 5. Define the input variables with LD programming language. ‑...
- Page 29 6. After successful compiling, download the project and run it. ‑ ‑...
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