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Summary of Contents for Dwyer Instruments Mercoid 3100 Series
- Page 1 Bulletin P-3100 Series 3100 Explosion-Proof Differential Pressure Transmitter Specifications - Installation and Operating Instructions DWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwyer-inst.com P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: info@dwyermail.com...
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Page 2: Table Of Contents
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... -
Page 3: Using This Manual
2. All rights are reserved. No part of this manual may be reproduced in any form without Dwyer Instruments, Inc. written permission. 3. If any question arises, errors are found or if any information is missing from this manual, please inform Dwyer Instruments, Inc. -
Page 4: Overview Of Transmitter
1.2 Overview of Transmitter The Mercoid Smart Pressure Transmitter is a microprocessor ® based pressure transmitter with a capacitance sensor optimized for draft measurement. The Model 3100 has a true draft analog range from 0 to 20 mA. This transmitter is explosion-proof, high precision accuracy, reliability and has digital communication for remote communication system. -
Page 5: Chapter 2. Handling Cautions
Chapter 2 Handling Cautions This chapter consists of cautions for transmitter handling, storage, installation, insulation and explosion structure, etc. Step Job Details Instrument Unpacking - Unpack transmitter packing Model and - Make sure the transmitter nameplate matches the model number Specifications on the P.O. -
Page 6: Models And Specifications Check
2.1 Unpacking Transmitters 2.5 Calibration after Installation When moving the transmitter to the installation site, keep it in the 1. Sensor Zero Trim should be done after transmitter is installed, original packaging. Unpack the transmitter at the installation site to because the zero point is not configured for mounting status. -
Page 7: Emc Conformity Standards
Dust- Ignition-Proof for Class II/III, Division 1, Groups E, F and G; Nonincensive for use in Class I, Division 2, Groups A, B, C and D; Dwyer Instruments, Inc. recommends customer use metal conduit Suitable for use in Class II, Division 2, Groups E, F and G;... -
Page 8: Fail Mode
3-5 EEProm-Write Enable / Disable Mode Switch WARNING Electrical shock can result in serious injury: EEPROM (Electrically Erasable Programmable ROM), included on Avoid contact with the leads and terminals. High voltage, that may be present, on leads can cause electrical shock. the CPU module, is used by the transmitter to save/restore configuration variables. -
Page 9: Configuration Of Zero And Span Procedures
3.7 Configuration of Zero and Span Procedures CAUTION 30 seconds without any action, the button function will return to The ZERO and SPAN Buttons are under the transmitter’s normal operation. nameplate. The ZERO, SPAN, ZERO TRIM, ZERO ADJ, Units, Range, Dampening, LCD and decimal set functions are configurable 4. -
Page 10: Decimal Place
• CHANGE UPPER RANGE VALUE 1. Access the menu by pressing the Zero+Span buttons. 2. Move to the next menu by pressing the Zero button until the 1 TRIM message appears. 3. Press the Span button until the 2 SETUP message appears. 4. -
Page 11: Chapter 4 Installation
Chapter 4 Installation 4.1 Overview Start The information in Chapter 4 explains installation. 4.2 Safety Messages Do you want Procedures and instructions in this chapter may require special safety measures to ensure the safety of the personnel performing the operation. Potential installation safety issues are indicated by a safety alert symbol ( ). -
Page 12: Wiring
4.6.1 Power Supply The 3100 Pressure Transmitter requires an 11.9 – 45 VDC power supply. A 250 ~ 550Ω (24 VDC) loop resistance is recommended for HART communication. Loop resistance is the sum of the ® resistance in the loop. Max. - Page 13 B.Wiring Installation 4.7.5 Grounding General-use (Figure 4-4a) Grounding should satisfy KS requirements (grounding 1. Use metallic conduit or waterproof cable glands for wiring. resistance should be 10 ohm or less). Grounding is a. Apply non-hardening sealant to the terminal box and required for explosion-proof applications and the ground the threads on the flexible metal conduit for resistance must be below 10 ohms.
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Page 14: Mechanical Considerations
4.8 Mechanical Considerations 4.9 Environmental Considerations Figure 4-6 is a dimensional drawing for the 3100. Figure 4-7 shows 4.9.1 Ambient Temperature how the A-630 angle bracket is mounted to a pipe. The transmitter ambient temperature range is 4 to 180°F (-20 to 60°C). -
Page 15: Basic Setup
5.4.1 Process Variable 5.6 Detailed Setup There are two process variables in the 3100 Smart Pressure Transmitter. The primary variable and temperature compensated 5.6.1 Set Fail Mode SV (Second Variable), the PV value outputs the 4~20mA analog When the sensor or microprocessor is not operating properly, the value. -
Page 16: Calibration
5.9 Calibration 6.2.1 Warning The scale is implemented by calibrating the transmitter. Trim function DANGER Explosion can result in death or serious injury: Do not remove has several calibration functions. Smart transmitters operate the transmitter covers in explosion-proof environments when differently than analog transmitter. -
Page 17: Hardware Diagnostics
3100 Smart Transmitter has no moving parts and ® requires little maintenance. If a transmitter fails, it must be returned to Dwyer Instruments, Inc. for inspection, repair, or replacement. 6.4.1 Test Terminals The test terminals are marked TEST on the terminal block. The test and negative terminals are connected to the power terminals;... - Page 18 Figure 6-1 Test Terminals 6.4.2 Disassembling the Housing The transmitter is designed with dual-compartment housing; one contains the electronics module, and the other contains all wiring terminals and communication terminal. Figure 6-2 Structure of Housing 6.4.3 Fail Mode Jumper Switch and EEPROM-Write Fail-mode jumper switch and EEPROM-Write is located behind the front cover.
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Page 19: 3100 Smart Pressure Transmitter Lcd Display Code
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) Initial message when using Zero button ZERO SPAN... - Page 20 ©Copyright 2014 Dwyer Instruments, Inc. Printed in U.S.A. 5/14 FR# R6-443807-00 Rev. 6 DWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwyer-inst.com P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: info@dwyermail.com...
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