Table of Contents
Related Manuals for FAHM HART PTT74-E Series
Summary of Contents for FAHM HART PTT74-E Series
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Page 1: Smart Temperature Transmitter
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 User Manual Smart Temperature Transmitter PTT74-Ex Series with HART® Revision Selectable Protocol www.faraboard .com... -
Page 2: Table Of Contents
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 Contents Smart Temperature Transmitter ....................1 Introduction ........................3 Preface ......................... 3 Transmitter overview ....................3 PTT74-Ex features ....................... 4 General considerations ...................... 4 Environmental considerations ..................5 Installation Process ..................... -
Page 3: Introduction
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 1. Introduction 1.1 Preface Welcome to use smart temperature transmitter, please read this manual before working with the product. For personal and system safety, and for optimum product performance, make sure you thoroughly understand the contents before installing, using, or maintaining this product. -
Page 4: Ptt74-Ex Features
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 1.3 PTT74-Ex features ◆ Best-in-Class performance with 0.1% reference accuracy. ◆ Two kinds of device including head-mounted and rail-mounted version provides flexibility to transmitter usage and installation. -
Page 5: Environmental Considerations
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 2.1 Environmental considerations Best practice is to mount the transmitter in an environment that has minimal ambient temperature change. The transmitter electronics temperature operating limits are –40 to 185 °F (–40 to 85 °C). -
Page 6: Mount The Transmitter
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 2.2.2 Mount the Transmitter The PTT74-Ex temperature transmitter can be mounted directly in the sensor head as head –mounted temperature transmitter or on the rail in cabinet as rail-mounted temperature transmitter. -
Page 7: Electrical Considerations
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 2.3 Electrical considerations Make sure all electrical installation is in accordance with national and local code requirements. 2.3.1 Conduit installation If all connections are not sealed, excess moisture accumulation can damage the transmitter. - Page 8 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 Transmitter operates on 14 - 30 Vdc (14-29.4 Vdc for satisfaction of EX). The dc power supply should provide power with less than two percent ripple. The...
- Page 9 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 Figure 10 PTT74-Ex Recommended wiring Figure 11 PTT74-Ex head mounted transmitter sensor wiring Figure 12 PTT74-Ex rail mounted sensor wiring www.faraboard .com...
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Page 10: Grounding
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 2.3.3 Grounding Use the following techniques to properly ground the transmitter signal wiring and case. Do not run signal wiring in conduit or open trays with power wiring or near heavy electrical equipment. -
Page 11: Configuration
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 3. Configuration 3.1 LCD display The LCD indicator connects directly to the interface board which maintains direct access to the signal terminals. It can display the digital temperature, custom variable which is proportional with measured temperature, 0-100% analog indication and abbreviated diagnostic messages. -
Page 12: Primary Variable
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 In operation mode by pressing <M> button, menu for tuning the parameters is available for users and they can use this button to save new parameters when all characters in display are in blinking mode. - Page 13 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 3.2.1.2 Max Range and Min Range and Transfer function User can determine the maximum and minimum value of temperature which will be mapped to 4-20mA of output signal. After this configuration the output signal will be mapped to min and max values.
- Page 14 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 3.2.1.3 Decimal point User can select the decimal points count of primary variable to display on LCD with DP menu. For selecting the primary variable as displayed variable please refer to LCD parameters.
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Page 15: Custom Variable
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 When this menu appears on LCD it show the current measurement of process temperature. So after stabilizing of process temperature user should enter his desired temperature value. -
Page 16: Lcd Parameters
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 3.2.2.2 Decimal point User can select the decimal points count of custom variable to display on LCD with DP menu. For selecting the custom variable as displayed variable please refer to LCD parameters. -
Page 17: Analog Output Parameters
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 3.2.4 Analog Output Parameters The output signal of transmitter is a 4-20mA current which in normal condition represents the current value of primary variable. If the value of primary variable be out of range or the device conclude that there is a fault in electronic boards or sensor element that takes the device into mal-function mode, the output signal will represent the alarm condition. -
Page 18: Reset Factory
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 According to Hart protocol, user can select a number between 0 and 15 as poll identifier. If user select zero, the device multi-drop mode will be disabled and the current output will show the primary variable value. - Page 19 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 Press <M> until this page is appeared on LCD. Then press <Z> to access the Wire No (programing mode). You can Wire No identify the number of sensor leads by selecting the 2-...
- Page 20 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 TH-N [Thermocouple Type-N] (Range Limit: -200...1350°C) TH-R [Thermocouple Type-R] (Range Limit: -50...1768°C) TH-S [Thermocouple Type-S] (Range Limit: -50...1768°C) TH-T [Thermocouple Type-T] (Range Limit: -200...400°C) TH-U [Thermocouple Type-U] (Range Limit: -200...600°C) NTC-B [NTC Thermistor Beta Equation] (Range Limit: -50...150°C)
- Page 21 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 [Input value= (Sensor output voltage or resistance)/2.0] [Input value= (Sensor output voltage or resistance)/3.0] [Input value= (Sensor output voltage or resistance)/4.0] [Input value= (Sensor output voltage or resistance)/5.0] [Input value= (Sensor output voltage or resistance)/6.0]...
- Page 22 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 3.2.7.2 Cold Junction PTT74-Ex series temperature transmitters has an internal temperature sensor to calculate the actual temperature of input terminals. This sensor can be used as cold-junction temperature in thermocouple applications.
- Page 23 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 3.2.7.3 Filter Type User can configure the desired input filter notch using bellow menu: parameter display Parameter tuning structure Press <M> until this page is appeared on LCD. Then press <Z>...
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Page 24: Assembly Drawing - Ptt74-Ex-H
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 Appendix A Assembly Drawing - PTT74-EX-H www.faraboard .com... -
Page 25: Accessories / Spare Parts
FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 Accessories / Spare parts PTT74Ex-SPARE PARTS Part No. Name/Description Housing Assembly Remote Type 380121 Housing Assembly Explosion Proof 380122 Housing Assembly Standard Type 380123 Indicator Cover... - Page 26 FAHM Co. SMART Temperature Transmitter Industrial Automation PTT74-Ex Series User Manual Doc. PTT74-ExRev99/07M Sep.2020 Spring Loaded Explosion Proof Head Mounted Universal Spring Loaded Coupling Adaptor Enclosure Temperature Enclosure Adaptor Transmitter Stainless Steel Gland Plastic Gland Aluminum Gland Temperature Sensor Housing Assembly...