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PD8-6100 Strain Gauge, Load Cell, and mV Meter
Instruction Manual
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Fully-Approved Explosion-Proof Meter
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15, 30, 150, 300 mV unipolar; ±15, ±25, ±150, ±250 mV bipolar Inputs
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Dual-Line 6-Digit Display, 0.6" (15 mm) & 0.46" (12 mm)
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Selectable 5 or 10 VDC Sensor Excitation @ 25 mA Max
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SafeTouch Through-Glass Button Programming
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Display Mountable at 0°, 90°, 180°, & 270°
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4 Relays with Interlocking Capability + Isolated 4-20 mA Output Option
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Free PC-Based, On-Board, MeterView Pro USB Programming Software
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SunBright Display Standard Feature; Great for Outdoor Applications
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Operating Temperature Range: -40 to 60°C (-40 to 140°F)
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FM Approved as Explosion-Proof / Dust-Ignition-Proof / Flame-Proof
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CSA Certified as Explosion-Proof / Dust-Ignition-Proof / Flame-Proof
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ATEX and IECEx Certified as Flame-Proof
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Input Power Options: 85-265 VAC / 90-265 VDC or 12-24 VDC / 12-24 VAC
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Supports One (1) 350 Ω Load Cell
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Capture or Programmable Tare Feature
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Auto-Zero Feature Eliminates Zero Drift
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Ratiometric Operation
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Programmable Display, Function Keys & Digital Inputs
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Flanges for Wall or Pipe Mounting
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Explosion-Proof, IP68, NEMA 4X Die-Cast Aluminum Enclosure
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On-Board RS-485 Serial Communications
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Modbus RTU Communication Protocol Standard
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Password Protection
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Four 3/4" NPT Threaded Conduit Openings (Two Plugs Installed)
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Pipe Mounting Kits
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Stainless Steel Tag Available
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3-Year Warranty
PRECISION DIGITAL CORPORATION
233 South Street • Hopkinton MA 01748 USA
Tel (800) 343-1001 • Fax (508) 655-8990
www.predig.com
MeterView Pro
USB Install
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Summary of Contents for Precision Digital Corporation ProtEX-MAX PD8-6100
- Page 1 Four 3/4" NPT Threaded Conduit Openings (Two Plugs Installed) • Pipe Mounting Kits • Stainless Steel Tag Available • 3-Year Warranty PRECISION DIGITAL CORPORATION 233 South Street • Hopkinton MA 01748 USA Tel (800) 343-1001 • Fax (508) 655-8990 www.predig.com...
- Page 3 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Disclaimer FREE MeterView Pro The information contained in this document is Programming Software subject to change without notice. Precision Digital makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose.
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Page 4: Table Of Contents
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Table of Contents Introduction ......................7 Ordering Information ..................7 Key Features ....................... 9 Specifications ....................14 General ......................14 Strain Gauge Input ..................15 Relays ......................15 USB Connection ................... 15 Isolated 4-20 mA Transmitter Output Option .......... - Page 5 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Relay and Alarm Operation Diagrams ............41 High Alarm Operation (Set > Reset) ............. 41 Low Alarm Operation (Set < Reset) ............42 High Alarm with Fail-Safe Operation (Set > Reset) ........42 Low Alarm with Fail-Safe Operation (Set <...
- Page 6 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Table of Figures Figure 1. Enclosure Dimensions – Front View ..........19 Figure 2. Enclosure Dimensions – Side Cross Section View ....... 19 Figure 3. Sensor Excitation Voltage Selection ..........22 Figure 4.
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Page 7: Introduction
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Ordering Information Introduction 85-265 VAC Models The ProtEX-MAX PD8-6100 is an explosion-proof digital strain gauge & load cell meter, ideal for Standard Options Model weighing and force measurement applications. It... - Page 8 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Connect to PC for Programming Helpful Videos Learn how to connect a ProVu (ProtEX-MAX) process There are several videos that will help you get a meter to your PC and install free MeterView Pro better understating of the features and functionality of programming software.
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Page 9: Key Features
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Key Features Connections for PD8-6100-6H7 & PD8-6100-7H7 The Only Explosion-Proof Strain Gauge and Load Cell Meter You Will Ever Need The ProtEX-MAX PD8-6100 is a full-featured The first thing you notice about the PD8-6100 is its multipurpose, easy-to use digital strain gauge &... - Page 10 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Easy Programming Methods Feature Rich and Flexible The ProtEX-MAX can be programmed in a hazardous Zero the Meter area with the through-glass SafeTouch buttons without removing the cover, in a safe area with the The zero function zeroes out the display.
- Page 11 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Dual-Scale Display Feature Advanced Display Features The ProtEX-MAX PD8-6100 has a rather unique, and Dual-Line Makes All the Difference very flexible dual-scale capability; a second scaled display can represent the measured input in a The main display can be programmed to indicate PV, different form (i.e.
- Page 12 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Physical Features Wide Viewing Angle Customers can’t always look at the display from The ProtEX-MAX is designed for ease-of-use in safe straight on, so the window and display module have and hazardous applications.
- Page 13 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Rotatable Display Removable Screw Terminals The ProtEX-MAX rotatable display, along with four Industrial applications require screw terminal available conduit connections, provide for numerous connections for easy field wiring, and the installation options.
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Page 14: Specifications
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Specifications Power 85-265 VAC 50/60 Hz; 90-265 VDC, 20 W max; Options 12-24 VDC, 12-24 VAC, 15 W max. Powered over USB for configuration only. Except where noted all specifications apply to operation at +25°C. -
Page 15: Strain Gauge Input
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Strain Gauge Input Relays Inputs Field selectable: 0-15 mV, 0-30 mV, Rating 4 SPDT (Form C) internal and rated 0-150 mV, 0-300 mV, ±15 mV, ±25 mV, 3 A @ 30 VDC and 125/250 VAC resistive ±150 mV, ±250 mV, or Modbus PV (Slave) -
Page 16: Isolated 4-20 Ma Transmitter Output Option
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual ® Isolated 4-20 mA Transmitter Modbus RTU Serial Output Option Communications 1 – 247 (Meter address) Output Process variable (PV), max, min, set points Slave ID Source 1-4, Modbus input, or manual control mode 300 –... -
Page 17: Compliance Information
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Compliance Information Product Ratings and Approvals Enclosure: Type 4X; IP66 Electromagnetic Compatibility Class I, Division 1, Groups B, C, D Class II, Division 1, Groups E, F, G Emissions... -
Page 18: Eu Declaration Of Conformity
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual EU Declaration of Pre-Installed Conduit Plugs Conformity The ProtEX-MAX is supplied with two pre-installed conduit plugs for installations that do not require the EU Declaration of Conformity is available in the use of all four conduit entries. -
Page 19: Mounting
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Wall Mounting Instructions Mounting The meter can be mounted to any wall or flat surface The ProtEX-MAX has four slotted mounting flanges using the four provided mounting holes located in the that may be used for pipe mounting or wall mounting. - Page 20 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Pipe Mounting Instructions Vertical Pipe Mounting Horizontal Pipe Mounting The meter can also be mounted to a pipe using an optional U-Bolt kit. This kit includes two U-bolts, the...
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Page 21: Installation Overview
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Once the driver is installed, an AutoPlay Installation Overview dialog should appear for the drive We recommend the following sequence for getting the “MAINSTAL.” Click “Open folder to view meter into service: files.”... -
Page 22: Sensor Excitation Voltage Selection (Ex+, Ex-)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual To access the connectors, remove the enclosure Sensor Excitation Voltage cover and unscrew the two captive screws that fasten Selection (EX+, EX-) the electronics module. Signal connections are made... -
Page 23: Pro Vu
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Electronics Module Layout for PD8-6100-6H7 and PD8-6100-7H7 Figure 5. P Electronics Module Layout USB Connection Figure 6. USB Connection • DO NOT disconnect the RJ45 M-LINK connector cable. Otherwise the instrument will not function properly. -
Page 24: Power Connections
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Power Connections Power connections are made to a two-terminal connector labeled POWER. The meter will operate regardless of DC polarity connection. The + and - symbols are only a suggested wiring convention. There are separate models for low voltage and high voltage power. -
Page 25: Signal Connections
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Signal Connections Range (Switch 2) The range switch adjusts the gain of the internal Signal connections are made to a six-terminal circuitry. Narrower ranges require more amplification. connector labeled SIGNAL. The EX+ and EX-... -
Page 26: Figure 9. Strain Gauge Powered By Internal Supply
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Shunt Resistor (Switch 5) The PD8-6100 provides a means of simulating strain in a strain gauge bridge circuit via a 60.4KΩ shunt resistor included in the meter. This will simulate an approximate 70% full-scale load in the case of a 350Ω... -
Page 27: Shunt Calibration
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Shunt Calibration Relay Connections The PD8-6100 is equipped with a means of simulating Relay connections are made to two six-terminal connectors labeled RELAY1 – RELAY4. Each relay’s strain in a strain gauge bridge circuit, via a shunt resistor included inside the meter. -
Page 28: Switching Inductive Loads
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Switching Inductive Loads RS-485 Connections The use of snubbers to suppress electrical noise is strongly recommended when switching inductive loads to prevent disrupting the microprocessor’s operation. The snubbers also prolong the life of the relay contacts. -
Page 29: F4 Digital Input Connections
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Digital I/O Connections 4-20 mA Output Connections Connections for the 4-20 mA transmitter output are made to the connector terminals labeled mA OUT. The 4-20 mA output may be powered internally or from an external power supply. -
Page 30: Setup And Programming
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Setup and Programming There is no need to recalibrate the meter when first received from the factory, if used to read millivolts. The meter is factory calibrated prior to shipment for millivolts with calibration equipment that is certified to NIST standards. -
Page 31: Programming Buttons
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Programming Buttons Button Description Button Description Up Arrow/F2 Menu RESET TARE Acknowledge (Enter)/F3 Right Arrow/F1 ZERO THE DISPLAY TARE • Press the Menu button to enter or exit the Programming Mode at any time. -
Page 32: Display Functions & Messages
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Display Functions & Messages Display Functions & Messages The meter displays various functions and messages Display Parameter Action/Setting during setup, programming, and operation. The Description following table shows the main menu functions and... - Page 33 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Display Functions & Messages Display Functions & Messages Display Parameter Action/Setting Display Parameter Action/Setting Description Description FLS 2 unloc Fail-safe 2 Set relays 2-4 fail-safe Unlocked Program password to...
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Page 34: Main Menu
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Main Menu Setting Up the Meter (setup) The main menu consists of the most commonly used The Setup menu is used to select: functions: Setup, Reset, Tare, Control, and Password. -
Page 35: Setting The Input Signal (Input)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Setting the Input Signal (Input) Dual-Scale (d-sCal) The mV input can be displayed in two different scales, Enter the Input menu to set up the input polarity, by enabling the dual-scale feature in the Setup-Input range, ratiometric operation, and dual-scale feature. -
Page 36: Setting The Display Units Or Custom Tags (Units)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Setting the Decimal Point (dEc pt) Setting the Display Units or Custom The decimal point may be set with up to five decimal Tags (units) places or with no decimal point at all. -
Page 37: Calibrating The Meter With Strain Gauge/Load Cell (Cal)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Calibrating the Meter with Strain Multi-Point Calibration & Scaling Gauge/Load Cell (Cal) The meter is set up at the factory for 2-point linear calibration. The number of points for multi-point... - Page 38 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Dual-Scale Application Error Message (Error) An error message indicates that the calibration or The mV input can be displayed in two different scales, scaling process was not successful. by enabling the dual-scale feature in the Setup Input menu.
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Page 39: Setting The Display Parameter & Intensity (Dsplay)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Setting the Display Parameter & Display Parameter Menu Intensity (dsplay) Display line 1 (line 1) can be programmed to display: Process value 1 (PV1) Process value 2 (PV2)* Percent of PV1 (PCt)* Relay set points Toggle process value &... -
Page 40: Setting The Relay Operation (Relay)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Setting the Relay Action Setting the Relay Operation Operation of the relays is programmed in the Action (relay) menu. The relays may be set up for any of the... -
Page 41: Programming Set And Reset Points
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Programming Set and Reset Relay and Alarm Operation Points Diagrams High alarm indication: program set point above reset The following graphs illustrate the operation of the point. relays, status LEDs, and ACK button. -
Page 42: Low Alarm Operation (Set < Reset)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Low Alarm Operation (Set < Reset) Low Alarm with Fail-Safe Operation (Set < Reset) For Manual reset mode, ACK can be pressed anytime to turn "off" relay. For relay to turn back “on”, signal must go above Note: Relay coil is energized in non-alarm condition. -
Page 43: Pump Alternation Control Operation
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Pump Alternation Control Operation Relay Sampling Operation When the signal crosses the set point, the relay trips and the sample time starts. After the sample time has elapsed, the relay resets. The cycle repeats every time the set point is crossed, going up for high alarms and going down for low alarms. -
Page 44: Relay Operation Details
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Front Panel LEDs Relay Operation Details The alarm status LEDs on the front panel are Overview available on all meters, even those without relays The four-relays option for the meter expands its... -
Page 45: Non-Latching Relay (Auto)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Non-Latching Relay (Auto) Latching Relay with Clear (Lt-Clr) In this application, the meter is set up for automatic In this application, the meter is set up for manual reset (non-latching relay). Acknowledging the alarm... -
Page 46: Acknowledging Relays
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Acknowledging Relays Application #1: Pump Alternation Using Relays 1 & 2 There are three ways to acknowledge relays Relays 1 and 2 are set up for pump alternation. programmed for manual reset:... -
Page 47: Setting Up The Interlock Relay (Force On) Feature
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual The following graphics provide a visual representation Setting Up the Interlock Relay of a typical pump alternation application with high and (Force On) Feature low alarm monitoring: Relays 1-4 can be set up as interlock relays. To set up the relays for the interlock feature: 1. -
Page 48: Scaling The 4-20 Ma Analog Output (Aout)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Scaling the 4-20 mA Analog Tare Menu (Tare) Output (Aout) The Tare menu is used to select the tare mode. There are three modes of operation: Capture Tare, The 4-20 mA analog output can be scaled to provide Programmable Tare, and Off. -
Page 49: Setting Up The Password (Pass)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Disabling Password Protection Setting Up the Password (pass) To disable the password protection, access the The Password menu is used for programming three Password menu and enter the correct password levels of security to prevent unauthorized changes to twice, as shown below. -
Page 50: Advanced Features Menu
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Advanced Features Menu Advanced Features Menu & Display Messages To simplify the setup process, functions not needed Display Parameter Action/Setting for most applications are located in the Advanced SCALE... -
Page 51: Noise Filter (Filter)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Rounding Feature (round) Advanced Features Menu & Display Messages The rounding feature is used to give the user a Display Parameter Action/Setting steadier display with fluctuating signals. Rounding is... -
Page 52: Select Menu (Select)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Auto-Zero (Auto 0) Select Menu (SElect) The Select menu is used to select the input signal Auto-zero corrects for drift that can occur over time conditioner applied to the input (linear), low-value that causes the input signal to slowly change. -
Page 53: Analog Output Programming (Aoutpr)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Analog Output Programming Analog Output Calibration (AoutPr) To perform the analog output calibration, it is recommended to use a milliamp meter with a The Analog Output Programming menu is used to resolution of at least 0.1 µA to measure the output... -
Page 54: Programmable Function Keys User Menu (User)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Programmable Function Keys Function Keys & Digital I/O Available Settings User Menu (user) Display Description The User menu allows the user to assign the front Ln1 Lo Display minimum display value on line 1... -
Page 55: Internal Source Calibration (Ical)
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual The following graphic shows the calibration of the Internal Source Calibration (ICAL) 100 mV input range. The other ranges are calibrated in a similar way. There is no need to recalibrate the meter when first received from the factory. -
Page 56: Meter Operation
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Meter Operation SafeTouch Buttons The ProtEX-MAX is equipped with four sensors that When installed, the primary way to operate the meter operate as through-glass buttons so that it can be... -
Page 57: Function Keys Operation
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Function Keys Operation Maximum/Minimum Readings The max & min readings (peak & valley) reached by During operation, the programmable function keys the process can be displayed either continuously or... -
Page 58: Troubleshooting
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Troubleshooting Reset Meter to Factory Defaults When the parameters have been changed in a way Due to the many features and functions of the meter, that is difficult to determine what’s happening, it might it’s possible that the setup of the meter does not... -
Page 59: Factory Defaults & User Settings
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Factory Defaults & User Settings Parameter Display Default Setting The following table shows the factory setting for most On 1 On delay relay 1 0.0 sec of the programmable parameters on the meter. -
Page 60: Troubleshooting Tips
ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Troubleshooting Tips This meter is a highly sophisticated instrument with an extensive list of features and capabilities. If the programming buttons are used to program the meter, it may be a difficult task to keep everything straight. That is why we strongly... - Page 61 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Troubleshooting Tips Symptom Check/Action If mechanical button was pushed, the SafeTouch buttons will be SafeTouch buttons do not respond re-enabled automatically 60 seconds after the last button push. If slide switch on connector board is in DISABLE position, switch to ENABLE.
- Page 62 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual NOTES...
- Page 64 ProtEX-MAX PD8-6100 Strain Gauge, Load Cell, and mV Meter Instruction Manual Contact Precision Digital Technical Support Call: (800) 610-5239 or (508) 655-7300 Fax: (508) 655-8990 Email: support@predig.com Sales Support Call: (800) 343-1001 or (508) 655-7300 Fax: (508) 655-8990 Email: sales@predig.com Place Orders Email: orders@predig.com...
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