Mercoid 3100 Series Installation And Operating Instructions Manual

Explosion-proof differential pressure transmitter

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Series 3100 Explosion-Proof Differential Pressure Transmitter
Specifications - Installation and Operating Instructions
Table of Contents
Chapter 1. Introduction
1.1 Using This Manual
1.2 Overview of Transmitter
1.3 Software Compatibility
Chapter 2. Handling Cautions
2.1 Unpacking Transmitters and Specifications Check
2.2 Models and Specifications Check
2.3 Storage
2.4 Selecting Installation Locations
2.5 Calibration after Installation
2.6 Pressure Connections
2.7 Waterproofing Cable Conduit Connections
2.8 Restrictions on Use of Radio Transceiver
2.9 Installation Resistance Test and Dielectric Strength Test
2.10 Explosion-Proof Transmitters
2.11 EMC Conformity Standards
Chapter 3. Transmitter Functions
3.1 Overview
3.2 Safety Messages
3.3 Warning
3.4 Fail Mode Alarm
3.5 EEProm-Write Enable/Disable Mode Jumper
3.6 Configuration of Alarm and Security Jumper Procedures
3.7 Configuration of Zero and Span Procedures
3.8 Commissioning on the Bench with HHT
DWYER INSTRUMENTS, LLC
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.
Chapter 4. Installation
4.1 Overview
4.2 Safety Messages
4.3 Warning
4.4 Commissioning on the Bench with Hand-Held Terminal
4.5 General Considerations
4.6 Electrical Considerations (Power Supply)
4.7 Wiring
4.8 Mechanical Considerations
4.9 Environmental Considerations
Chapter 5. On-line Operation
5.1 Overview
5.2 Safety Messages
5.3 Configuration Data Review
5.4 Configuration Verification
5.5 Basic Setup
5.6 Detailed Setup
5.7 Configuration Variables Setup
5.8 Diagnostics and Services
5.9 Calibration
Chapter 6. Maintenance
6.1 Overview
6.2 Safety Messages
6.3 Hardware Diagnostics
6.4 Hardware Maintenance
Appendix I
3100 Smart Pressure Transmitter LCD Display Code
Phone: 219-879-8000
Fax: 219-872-9057
Bulletin P-3100
www.dwyer-inst.com
e-mail: info@dwyermail.com

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Summary of Contents for Mercoid 3100 Series

  • Page 1 Bulletin P-3100 Series 3100 Explosion-Proof Differential Pressure Transmitter Specifications - Installation and Operating Instructions Table of Contents Chapter 4. Installation Chapter 1. Introduction 4.1 Overview 1.1 Using This Manual 4.2 Safety Messages 1.2 Overview of Transmitter 4.3 Warning 1.3 Software Compatibility 4.4 Commissioning on the Bench with Hand-Held Terminal 4.5 General Considerations Chapter 2.
  • Page 2 1.1 Using This Manual • Exposure to chemical corrosion, etc. The operating manual provides information on installing, operating, and maintaining • Where shock and vibration are minimal the Mercoid Model 3100 Smart Pressure Transmitter. The Chapters are organized ® • W here the area classification does not as follows.
  • Page 3 3. Before conducting these tests, disconnect all signal lines from the transmitter terminals. Perform the tests in the following procedures. The instrument modification or parts replacement by other than authorized representative of Dwyer/Mercoid is prohobited and will void explosion-proof/ Insulation Resistance test flameproof.
  • Page 4: Chapter 3 Transmitter Functions

    EMI (Emission): EN55011 EMS (Immunity): EN50082-2 Dwyer Instruments, LLC recommends customer use metal conduit wiring or twisted pair shield cable for signal wiring to conform with EMC regulation, when installing the Mercoid 3100 transmitters. ® Fail mode select Chapter 3 Transmitter Functions jumper switch 3.1 Overview...
  • Page 5: Change Units

    3.7 Configuration of Zero and Span Procedures 4. How to select a numerical value The ZERO and SPAN Buttons are under the transmitter’s nameplate. The ZERO, A. F unctions use numerical values: 12 Zero Adjustment, 22 Change Upper Range SPAN, ZERO TRIM, ZERO ADJ, Units, Range, Dampening, LCD and decimal set Value, 23 Change Lower Range Value, 24 Dampening Second functions are configurable using the ZERO / SPAN buttons.
  • Page 6: Decimal Place

    • CHANGE LCD MODE (Cyclic or Fixed Display) POWER/SIGNAL CONNECTIONS 1. E nter programming menu by pushing both (ZERO+SPAN) button together for 5 seconds. Release buttons when LCD displays Menu and display will FIELD CONTROL ROOM LOCAL automatically change to “1 TRIM” confirming access into programming menu. TEST OR INDICATOR RECORDER REMOTE 2. P ush (ZERO) button when “1 TRIM” message appears on LCD. Release...
  • Page 7 4. Avoid running DC signal and AC power cables in the same ducts/cable conduits to proof requirements. avoid signal noise issues. A. Loop Configuration 5. All explosion-proof transmitters must meet the wiring & installation requirements Mercoid 3100 Pressure Transmitters use a two-wire system for power, 4~20mA ® specified within the applicable electrical codes. analog signal transmission and HART digital transmission.
  • Page 8 B. Wiring Installation 4.7.6 Power Supply Voltage and Load Resistance General-use (Figure 4-4a) When configuring the loop, make sure that the external load resistance is within the 1. Use metallic conduit or waterproof cable glands for wiring. range (see figure below). The transmitter supply voltage should be: a. Apply non-hardening sealant to the terminal box and the threads on the flexible metal conduit for waterproofing. • Standard: 11.9-45 VDC •...
  • Page 9: Chapter 5 On-Line Operation

    4.8.1 Mounting 5.5.2 Set Output Units Avoid installing transmitters in environments with excessive vibration. If it cannot be Select from the following engineering units: avoided it is highly recommended to provide adequate support when mounting. Volumetric Flow Unit: CubicFeet/min, Gallons/min, Liters/min, ImperialGallons/min, CubicMeter/hr, Ft/s, 4.8.2 Transmitter Access meters/s, Gallons/s, mGallons/day, Liters/s, mLiters/day, CubicFeet/s, CubicMeter/s, When selecting the installation location, accessibility must be taken into consideration.
  • Page 10: Chapter 6 Maintenance

    Both transmitter covers must be fully engaged to meet explosion- 6.4 Hardware Maintenance proof requirements. The Mercoid 3100 Smart Transmitter has no moving parts and requires little ® maintenance. If a transmitter fails, it must be returned to Dwyer Instruments, LLC for...
  • Page 11 Appendix I 3100 SMART PRESSURE TRANSMITTER - LCD DISPLAY CODE Message Description ADJ-U Zero adjustment value – used to configure transmitter when it is out of range (on higher side) ADJ-L Zero adjustment value – used to configure transmitter when it is out of range (on low side) ZERO Initial message when using Zero button SPAN Initial message when using Span button BT-ERR Button Sequence error P-LOCK Button input error - Protect Locked ZT-ERR Zero Trim value is over limit (10%) -TR-...
  • Page 12 NOTES __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________________________________ HART ® is a registered trademark of Fieldcomm Group, Inc. ©Copyright 2023 Dwyer Instruments, LLC Printed in U.S.A.

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