Ashcroft DM61 Installation And Maintenance Instructions Manual
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Ashcroft DM61 Installation And Maintenance Instructions Manual

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Installation and Maintenance
Instructions for DM61
Digital Panel Meter
Software Version 3.100 & Up
Ashcroft Inc. 250 East Main Street, Stratford, CT 06614 USA
Tel: 203-378-8281, Fax: 203-385-0402 www.ashcroft.com
All sales subject to standard terms and conditions of sale.
© 2012 Ashcroft Inc. 2012 I&M - 12/12

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  • Page 1 Instructions for DM61 Digital Panel Meter Software Version 3.100 & Up Ashcroft Inc. 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281, Fax: 203-385-0402 www.ashcroft.com All sales subject to standard terms and conditions of sale. © 2012 Ashcroft Inc. 2012 I&M - 12/12...
  • Page 2 Ashcroft Inc. warrants this product against defects in material or workmanship for the specified period under “Specifications” from the date of shipment from the factory. Ashcroft Inc.’s liability under this limited warranty shall not exceed the purchase value, repair, or replacement of the defective unit.

  • Page 3: Table Of Contents

    Digital Panel Meter Instruction Manual Table of Contents INTRODUCTION ------------------------------------------------------------ 6   ORDERING INFORMATION --------------------------------------------- 7   SPECIFICATIONS ---------------------------------------------------------- 8     General ------------------------------------------------------------------------------- 8 Process Input -------------------------------------------------------------------- 10   Relays ------------------------------------------------------------------------------ 11     Isolated 4-20 mA Transmitter Output ------------------------------------ 12 ®...
  • Page 4 Digital Panel Meter Instruction Manual   Setting the Decimal Point (dEc pt) -------------------------------------- 37 Programming the Meter (prog) ------------------------------------------- 38   Program Menu for Single Scale Process --------------------------- 38     Program Menu for Dual-Scale Level Applications ---------------- 38 Multi-Point Calibration & Scaling -------------------------------------- 39  ...
  • Page 5 Digital Panel Meter Instruction Manual Setting Up the Password (pass) ------------------------------------------- 66   Protecting or Locking the Meter ------------------------------------------- 66   Making Changes to a Password Protected Meter -------------------- 67     Disabling Password Protection -------------------------------------------- 67   Advanced Features Menu ---------------------------------------------------- 68 Advanced Features Menu &...

  • Page 6: Introduction

    4-20 mA output option. A digital input is standard. A fully loaded DM61 meter has the following: four SPDT relays, 4-20 mA output, and two 24 VDC power supplies. The DM61 capabilities may be enhanced by adding the...

  • Page 7: Ordering Information

    Digital Panel Meter Instruction Manual ORDERING INFORMATION Standard Models 85-265 VAC 12/24 VDC Options Installed Model Model DM61-A-AC DM61-A-DC No options DM61-C-AC DM61-C-DC 2 relays DM61-B-AC DM61-B-DC 4-20 mA output DM61-E-AC DM61-E-DC 4 relays DM61-D-AC DM61-D-DC 2 relays & 4-20 mA output...

  • Page 8: Specifications

    Digital Panel Meter Instruction Manual SPECIFICATIONS Except where noted all specifications apply to operation at+25°C (+77°F). General DISPLAY Main display: 0.60" (15 mm) high, red LEDs Second display: 0.46" (12 mm) high, red LEDs 6 digits each (-99999 to 999999), with lead zero blanking DISPLAY Eight user selectable intensity levels INTENSITY...
  • Page 9 Digital Panel Meter Instruction Manual Terminals P+ & P-: 24 VDC  10%. 12/24 VDC powered models ISOLATED TRANSMITTER selectable for 24, 10, or 5 VDC supply (internal jumper J4). POWER SUPPLY 85-265 VAC models rated @ 200 mA max, 12/24 VDC powered models rated @ 100 mA max, @ 50 mA max for 5 or 10 VDC supply.

  • Page 10: Process Input

    Digital Panel Meter Instruction Manual Process Input INPUTS Field selectable: 0-20, 4-20 mA, 10 V (0-5, 1-5, 0-10 V), Modbus PV (Slave) ACCURACY ±0.03% of calibrated span ±1 count, square root & programmable exponent accuracy range: 10-100% of calibrated span TEMPERATURE 0.005% of calibrated span/C max from 0 to 65C DRIFT...

  • Page 11: Relays

    Digital Panel Meter Instruction Manual Relays RATING 2 or 4 SPDT (Form C) internal and/or 4 SPST (Form A) external; rated 3 A @ 30 VDC and 125/250 VAC resistive load; 1/14 HP (≈ 50 W) @ 125/250 VAC for inductive loads NOISE Noise suppression is recommended for each relay contact SUPPRESSION...

  • Page 12: Isolated 4-20 Ma Transmitter Output

    8 bit (1 start bit, 1 or 2 stop bits) PARITY Even, Odd, or None with 1 or 2 stop bits BYTE-TO-BYTE 0.01 – 2.54 second TIMEOUT TURN AROUND Less than 2 ms (fixed) DELAY Note: Refer to the Modbus Register Tables located at www.ashcroft.com for details.

  • Page 13: Compliance Information

    Digital Panel Meter Instruction Manual COMPLIANCE INFORMATION Safety UL & c-UL LISTED USA & Canada UL 508 Industrial Control Equipment UL FILE NUMBER E358533 FRONT PANEL UL Type 4X, NEMA 4X, IP65; panel gasket provided LOW VOLTAGE EN 61010-1:2001 DIRECTIVE Safety requirements for measurement, control, and laboratory use Electromagnetic Compatibility...

  • Page 14: Safety Information

    Digital Panel Meter Instruction Manual Note: Testing was conducted on DM61 meters installed through the covers of grounded metal enclosures with cable shields grounded at the point of entry representing installations designed to optimize EMC performance. Declaration of Conformity available at www.ashcroft.com...

  • Page 15: Installation

    Digital Panel Meter Instruction Manual INSTALLATION There is no need to remove the meter from its case to complete the installation, wiring, and setup of the meter for most applications. Instructions are provided for setting up a 12/24 VDC powered meter to operate from 12 VDC and for changing the transmitter power supply to output 5 or 10 VDC instead of 24 VDC, see page 18.

  • Page 16: Figure 2. Panel Mounting Details

    Digital Panel Meter Instruction Manual Gasket Removable Connectors Panel Mounting Mounting Bracket Screw Figure 2. Panel Mounting Details...

  • Page 17: Mounting Dimensions

    Digital Panel Meter Instruction Manual Mounting Dimensions Figure 3. Meter Dimensions - Side View Figure 4. Meter Dimensions - Top View...

  • Page 18: Configuration For 12 Or 24 Vdc Power Option

    Digital Panel Meter Instruction Manual Configuration for 12 or 24 VDC Power Option Do not exceed voltage rating of the selected configuration. Warning! Meters equipped with the 12/24 VDC power option are shipped from the factory ready to operate from 24 VDC. To configure the meter for 12 VDC power: Remove all the connectors.

  • Page 19: Connections

    Digital Panel Meter Instruction Manual Transmitter Supply Voltage Selection (P+, P-) All meters, including models equipped with the 12/24 VDC power option, are shipped from the factory configured to provide 24 VDC power for the transmitter or sensor. If the transmitter requires 5 or 10 VDC excitation, the internal jumper J4 must be configured accordingly.

  • Page 20: Connectors Labeling

    Otherwise damage will occur to the equipment and the meter. Warning! Figure 7. Connector Labeling for Fully Loaded DM61 Power Connections Power connections are made to a two-terminal connector labeled POWER on Figure 7 on page 20. The meter will operate regardless of DC polarity connection.

  • Page 21: Signal Connections

    Digital Panel Meter Instruction Manual Signal Connections Signal connections are made to a six-terminal connector labeled SIGNAL on Figure 7. The COM (common) terminal is the return for the 4-20 mA and the 10 V input signals. Current and Voltage Connections The following figures show examples of current and voltage connections.

  • Page 22: Modbus Rtu Serial Communications

    Modbus RTU Serial Communications Serial communications connection is made to an RJ45 connector labeled M-LINK on Figure 7. For interfacing to the DM61, use the 101B224-06 for RS-232, the 101B224-07 for RS-485, or the 101B224- 08 for USB. The same port is used for interfacing with all expansion modules (e.g.

  • Page 23: Switching Inductive Loads

    Figure 14. Low Voltage DC Loads Protection RC Networks Available from Ashcroft RC networks are available from Ashcroft and should be applied to each relay contact switching an inductive load. Part number: 101B224-02. Note: Relays are de-rated to 1/14th HP (50 watts) with an inductive load.

  • Page 24: F4 Digital Input Connections

    Digital Panel Meter Instruction Manual F4 Digital Input Connections A digital input, F4, is standard on the meter. This digital input is connected with a normally open contact across F4 and COM, or with an active low signal applied to F4. Figure 15.

  • Page 25: External Relays & Digital I/O Connections

    Digital Panel Meter Instruction Manual External Relays & Digital I/O Connections The relay and the digital I/O expansion modules 101B224-03 & 101B224-04 are connected to the meter using a CAT5 cable provided with each module. The two RJ45 connectors on the expansion modules are identical and interchangeable;...

  • Page 26: Interlock Relay Feature

    Digital Panel Meter Instruction Manual DI 1-4 DO 1-4 5 VDC Figure 19. Digital I/O Module Connections Interlock Relay Feature As the name implies, the interlock relay feature reassigns one, or more, alarm/control relays for use as interlock relay(s). Interlock contact(s) are wired to digital input(s) and trigger the interlock relay.

  • Page 27: Setup And Programming

    Digital Panel Meter Instruction Manual SETUP AND PROGRAMMING The meter is factory calibrated prior to shipment to read in milliamps and volts depending on the input selection. The calibration equipment is certified to NIST standards. Overview There are no jumpers to set for the meter input selection. Setup and programming is done through the front panel buttons.

  • Page 28: Front Panel Buttons And Status Led Indicators

    Digital Panel Meter Instruction Manual Front Panel Buttons and Status LED Indicators Button Description Status Symbol Menu Alarm 1-8 indicator Flashing: Relay in Right arrow/F1 manual control mode Up arrow/F2 Flashing: Tare Flashing: Relay Enter/F3 interlock switch open Note: Note: F4 is a digital input.

  • Page 29: Display Functions & Messages

    Digital Panel Meter Instruction Manual Display Functions & Messages The meter displays various functions and messages during setup, programming, and operation. The following table shows the main menu functions and messages in the order they appear in the menu. Display Parameter Action/Setting Description Setup...
  • Page 30 Digital Panel Meter Instruction Manual Set display intensity level from 1 to 8 Display d-Inty intensity Relay Enter the Relay menu RELaY Relay 1 setup RLY 1 Relay 1 Action 1 Set relay 1 action Act 1 Automatic Set relay for automatic reset Auto Auto-manual Set relay for automatic &...
  • Page 31 Digital Panel Meter Instruction Manual Set relay condition if loop break detected Loop break break Ignore Ignore loop break condition ignore (Processed as a low signal condition) Relay goes to alarm condition when loop break is detected Relay goes to non-alarm condition when loop break is detected Enter the Analog output scaling menu Aout...

  • Page 32: Main Menu

    Digital Panel Meter Instruction Manual Main Menu The main menu consists of the most commonly used functions: Setup, Reset, Control, and Password.  Press Menu button to enter Programming Mode then press the Up arrow button to scroll main menu. ...

  • Page 33: Setting Numeric Values

    Digital Panel Meter Instruction Manual Setting Numeric Values The numeric values are set using the Right and Up arrow buttons. Press Right arrow to select next digit and Up arrow to increment digit value. The digit being changed is displayed brighter than the rest. Press and hold up arrow to auto-increment the display value.

  • Page 34: Setting Up The Meter (Setup)

    Digital Panel Meter Instruction Manual Setting Up the Meter (setup) The Setup menu is used to select: Input signal the meter will accept Dual-scale feature for some level applications Select the display units/tags Decimal point position Programming Menu Display parameter and intensity Relay operation 4-20 mA analog output scaling Press the Enter button to access any menu or press Up arrow button to...

  • Page 35: Setting The Input Signal (Input)

    Digital Panel Meter Instruction Manual Setting the Input Signal (Input) Enter the Input menu to set up the meter to display current (mA) or voltage (volt) inputs. The current input is capable of accepting any signal from 0 to 20 mA. Select current input to accept 0-20 mA or 4-20 mA signals.

  • Page 36: Setting The Input Units Or Custom Tags (Units)

    Digital Panel Meter Instruction Manual Setting the Input Units or Custom Tags (units) Enter the input unit or custom tag that will be displayed if d unit is selected as the little display parameter. See the flow chart on page 44 to access the display menu to show the unit or tag on the little display.

  • Page 37: Setting The Decimal Point (Dec Pt)

    Digital Panel Meter Instruction Manual Setting the Decimal Point (dEc pt) The decimal point may be set with up to five decimal places or with no decimal point at all. Pressing the Right arrow moves the decimal point one place to the right until no decimal point is displayed, and then it moves to the leftmost position.

  • Page 38: Programming The Meter (Prog)

    Use the Calibrate menu to apply a signal from a calibrator or a flowmeter.  The DM61 is a single input meter with dual-scale capability. The Program menu contains the Scale and the Calibrate menus. Note: The Scale and Calibrate functions are exclusive of each other.

  • Page 39: Multi-Point Calibration & Scaling

    DProM Software The meter can also be programmed using the PC-based DProM software available for free download at www.ashcroft.com. Data logging for one meter at a time is available with DProM software. More advanced data acquisition may be accomplished by using any Modbus RTU compliant software.

  • Page 40: Dual-Scale For Level Application

    Digital Panel Meter Instruction Manual Dual-Scale for Level Application The analog input can be displayed in two different scales, by enabling the dual-scale feature (d-SCAL) in the Setup-Input menu, see page 34. To enable the dual-scale feature for some level applications you must select d-SCAL in the Input selection menu.
  • Page 41 Digital Panel Meter Instruction Manual Error Message (Error) An error message indicates that the calibration or scaling process was not successful. After the error message is displayed, the meter reverts to the input prior to the failure during calibration or scaling and to input 1 during internal calibration, allowing the appropriate input signal to be applied or programmed.

  • Page 42: Calibrating The Meter With External Source (Cal)

    Digital Panel Meter Instruction Manual Calibrating the Meter with External Source (Cal) Note: To scale the meter without a signal source refer to Scaling the Meter (SCALE), page 39. The meter can be calibrated to display the process variable in engineering units by applying the appropriate input signal and following the calibration procedure.

  • Page 43: Setting The Display Parameter & Intensity (Dsplay)

    Digital Panel Meter Instruction Manual Setting the Display Parameter & Intensity (dsplay) The main display (Big) can be programmed to display: Process value 1 (PV1) Process value 2 (PV2) Percent of PV1 (PCT) Relay set points Max & min values Modbus input Display reading and units Display gross...

  • Page 44: Display Setup Menu

    Digital Panel Meter Instruction Manual Display Setup Menu After setting up the input and display, press the Menu button to exit programming and skip the rest of the setup menu. Press the Menu button again and the Up arrow to reach the Program menu and complete the scaling or calibration of the meter.

  • Page 45: Setting The Relay Operation (Relay)

    Digital Panel Meter Instruction Manual Setting the Relay Operation (relay) This menu is used to set up the operation of the relays. During setup, the relays do not follow the input and they will remain in the state found prior to entering the Relay menu.

  • Page 46: Setting The Relay Action

    Digital Panel Meter Instruction Manual Setting the Relay Action Operation of the relays is programmed in the Action menu. The relays may be set up for any of the following modes of operation: Automatic reset (non-latching) Automatic + manual reset at any time (non-latching) Latching (manual reset only, at any time) Latching with Clear (manual reset only after alarm condition has cleared)

  • Page 47: Programming Set And Reset Points

    Digital Panel Meter Instruction Manual Programming Set and Reset Points High alarm indication: program set point above reset point. Low alarm indication: program set point below reset point. The deadband is determined by the difference between set and reset points. Minimum deadband is one display count. If the set and reset points are programmed with the same value, the relay will reset one count below the set point.

  • Page 48: Relay And Alarm Operation Diagrams

    Digital Panel Meter Instruction Manual Relay and Alarm Operation Diagrams The following graphs illustrate the operation of the relays, status LEDs, and ACK button. High Alarm Operation (Set > Reset) For Manual reset mode, ACK can be pressed anytime to turn "off" relay. To detect a new alarm condition, the signal must go below the set point, and then go above it.

  • Page 49: Low Alarm Operation (Set < Reset)

    Digital Panel Meter Instruction Manual Low Alarm Operation (Set < Reset) Input Reset de-energized energized Relay Automatic (non-latching) Relay pressed Automatic or Manual (non-latching) Relay pressed Manual (latching) Relay pressed Manual only after passing above Reset (latching with clear) For Manual reset mode, ACK can be pressed anytime to turn "off" relay. For relay to turn back “on”, signal must go above set point and then go below it.

  • Page 50: High Alarm With Fail-Safe Operation (Set > Reset)

    Digital Panel Meter Instruction Manual High Alarm with Fail-Safe Operation (Set > Reset) Input de-energized energized Relay Automatic (non-latching) Relay pressed Automatic or Manual (non-latching) Relay pressed Manual (latching) Relay pressed Manual only after passing below Reset (latching with clear) Note: Relay coil is energized in non-alarm condition.

  • Page 51: Low Alarm With Fail-Safe Operation (Set < Reset)

    Digital Panel Meter Instruction Manual Low Alarm with Fail-Safe Operation (Set < Reset) Input Reset de-energized energized Relay Automatic (non-latching) Relay pressed Automatic or Manual (non-latching) Relay pressed Manual (latching) Relay pressed Manual only after passing above Reset (latching with clear) Note: Relay coil is energized in non-alarm condition.

  • Page 52: Pump Alternation Control Operation

    Digital Panel Meter Instruction Manual...

  • Page 53: Relay Sampling Operation

    Digital Panel Meter Instruction Manual Relay Sampling Operation Input Reset Sample Sample Sample Time Time Time Relay 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 54: Signal Loss Or Loop Break Relay Operation

    Digital Panel Meter Instruction Manual Signal Loss or Loop Break Relay Operation The following graph shows the loop break relay operation for a high alarm relay. Input Reset de-energized energized Relay Loop Break = Ignore Relay Loop Break = Off Relay Loop Break = On When the meter detects a break in the 4-20 mA loop, the relay will go to...

  • Page 55: Time Delay Operation

    Digital Panel Meter Instruction Manual Time Delay Operation The following graphs show the operation of the time delay function. When the signal crosses the set point, the On time delay timer starts and the relay trips when the time delay has elapsed. If the signal drops below the set point (high alarm) before the time delay has elapsed, the On time delay timer resets and the relay does not change state.

  • Page 56: Relay Operation Details

    Digital Panel Meter Instruction Manual Relay Operation Details Overview The relay capabilities of the meter expand its usefulness beyond simple indication to provide users with alarm and control functions. These capabilities include front panel alarm status LEDs as well as either 2 or 4 optional internal relays and/or 4 external relays expansion module.

  • Page 57: Front Panel Leds

    Digital Panel Meter Instruction Manual Front Panel LEDs The LEDs on the front panel provide status indication for the following: Status Status Alarm 1 Alarm 5 Alarm 2 Alarm 6 Alarm 3 Alarm 7 Alarm 4 Alarm 8 The meter is supplied with four alarm points that include front panel LEDs to indicate alarm conditions.

  • Page 58: Non-Latching Relay (Auto)

    Digital Panel Meter Instruction Manual Non-Latching Relay (Auto) Automatic reset only Condition Relay Normal Alarm Ack (No effect) Normal In this application, the meter is set up for automatic reset (non-latching relay). Acknowledging the alarm while it is still present has no effect on either the LED or the relay.

  • Page 59: Latching Relay (Lt-Clr)

    Digital Panel Meter Instruction Manual Latching Relay (Lt-Clr) Manual reset only after alarm condition has cleared Condition Relay Normal Alarm Ack (No effect) Normal In this application, the meter is set up for manual reset only after the signal passes the reset point (alarm condition has cleared). Acknowledging the alarm while it is still present has no effect on either the LED or the relay.

  • Page 60: Pump Alternation Control Applications (Altern)

    Digital Panel Meter Instruction Manual Pump Alternation Control Applications (Altern) For pump control applications where two or more similar pumps are used to control the level of a tank or a well, it is desirable to have all the pumps operate alternately. This prevents excessive wear and overheating of one pump over the lack of use of the other pumps.
  • Page 61 Digital Panel Meter Instruction Manual Application #2: Pump Alternation Using Relays 3 & 4 Relays 1 and 2 are set up for low and high alarm indication. Relays 3 and 4 are set up for pump alternation. Set and Reset Point Programming Relay Set Point Reset Point...
  • Page 62 Digital Panel Meter Instruction Manual If the backup pump is not able to keep up, and the level reaches 7000 gallons, relay #4 transfers and starts the main pump as well. Relay #2 trips the High Level Alarm at 7500 gallons and resets at 6900 gallons.

  • Page 63: Setting Up The Interlock Relay (Force On) Feature

    Digital Panel Meter Instruction Manual Setting Up the Interlock Relay (Force On) Feature Relays 1-4 can be set up as interlock relays. To set up the relays for the interlock feature: 1. Access the Setup – Relay – Action menu and set the action to off. 2.

  • Page 64: Scaling The 4-20 Ma Analog Output (Aout)

    Digital Panel Meter Instruction Manual Interlock Relay Operation Example Relays 1 & 2 are configured to energize (their front panel LEDs are off) when SW1 & SW2 switches (above) are closed. If the contacts to these digital inputs are opened, the corresponding front panel LEDs flash indicating this condition.

  • Page 65: Reset Menu (Reset)

    Digital Panel Meter Instruction Manual Reset Menu (reset) The Reset menu is used to reset the maximum or minimum reading (peak or valley) reached by the process; both may be reset at the same time by selecting “reset high & low” ( rst HL ). The tare value used to zero the display may be reset by selecting “reset tare”...

  • Page 66: Setting Up The Password (Pass)

    Digital Panel Meter Instruction Manual Setting Up the Password (pass) The Password menu is used for programming three levels of security to prevent unauthorized changes to the programmed parameter settings. Pass 1: Allows use of function keys and digital inputs Pass 2: Allows use of function keys, digital inputs and editing set/reset points Pass 3: Restricts all programming, function keys, and digital inputs.

  • Page 67: Making Changes To A Password Protected Meter

    Digital Panel Meter Instruction Manual Making Changes to a Password Protected Meter If the meter is password protected, the meter will display the message Locd ( Locked ) when the Menu button is pressed. Press the Enter button while the message is being displayed and enter the correct password to gain access to the menu.

  • Page 68: Advanced Features Menu

    Digital Panel Meter Instruction Manual Advanced Features Menu To simplify the setup process, functions not needed for most applications are located in the Advanced Features menu. Press and hold the Menu button for three seconds to access the advanced features of the meter.

  • Page 69: Advanced Features Menu & Display Messages

    Digital Panel Meter Instruction Manual Advanced Features Menu & Display Messages The following table shows the functions and messages of the Advanced Features menu in the order they appear in the menu. Display Parameter Action/Setting Filter Set noise filter value filtEr Bypass Set filter bypass value...
  • Page 70 Digital Panel Meter Instruction Manual Display Parameter Action/Setting Source Source Select source for the 4-20 mA output Overrange Program mA output for display overrange O-rang Underrange Program mA output for display underrange u-rang Break Set input break condition operation break Program maximum mA output allowed Maximum Program minimum mA output allowed...
  • Page 71 Digital Panel Meter Instruction Manual Copy Enter copy function Copy Send Send meter settings to another meter send Done Copy function completed done Diagnostics Display parameter settings Diag Input selection Input Input Select the display units/tags units Units Filter Filter value Filter Bypass Bypass value...

  • Page 72: Noise Filter (Filter)

    Digital Panel Meter Instruction Manual Noise Filter (filter) The noise filter is available for unusually noisy signals that cause an unstable process variable display. The noise filter averages the input signal over a certain period. The filter level determines the length of time over which the signal is averaged.

  • Page 73: Modbus Rtu Serial Communications (Serial)

    0 and 199 ms. The parity can be set to even, odd, or none with 1 or 2 stop bits. The DM61 can also be connected to another DM61 with a special 101B224-05 cable, allowing the user to copy all the settings from one...

  • Page 74: Select Menu (Select)

    Digital Panel Meter Instruction Manual Select Menu (SElect) The Select menu is used to select the signal input conditioner applied to the input (linear, square root, programmable exponent, or round horizontal tank), low-flow cutoff, and analog output programming. The multi-point linearization is part of the linear function selection. Signal Input Conditioning (Functn) The Function menu is used to select the signal input conditioner applied to the input: linear, square root, programmable exponent, or...
  • Page 75 Digital Panel Meter Instruction Manual Square Root Linearization (Square) The square root function can be used to linearize the signal from a differential pressure transmitter and display flow rate in engineering units. Programmable Exponent Linearization (Prog E) The programmable exponent can be used to linearize the signal from level transmitters in open-channel flow applications using weirs and flumes.
  • Page 76 Digital Panel Meter Instruction Manual Round Horizontal Tank Linearization (rHt) This function automatically calculates the volume in a round horizontal tank with flat ends. Set the display for the desired decimal point and engineering units before entering the round horizontal tank function. Select units, inches or cm for the tank dimensions.

  • Page 77: Low-Flow Cutoff (Cutoff)

    Digital Panel Meter Instruction Manual Low-Flow Cutoff (CutofF) The low-flow cutoff feature allows the meter to be programmed so that the often-unsteady output from a differential pressure transmitter, at low flow rates, always displays zero on the meter. The cutoff value may be programmed from 0 to 999999. The meter will display zero below the cutoff value.

  • Page 78: Programmable Function Keys User Menu (User)

    Digital Panel Meter Instruction Manual Programmable Function Keys User Menu (user) The User menu allows the user to assign the front panel function keys F1, F2, and F3, the digital input F4, and up to eight additional digital inputs to access most of the menus or to activate functions immediately (e.g.

  • Page 79: Tare (Tare)

    Digital Panel Meter Instruction Manual Tare (tare) The tare function zero’s out the display. In the case of scale weight, tare is used to eliminate container weight and provide net weight readings. There are two tare functions; Capture Tare and Reset Tare. When the capture tare function is used, the display reading is offset by the displayed amount to make the displayed value zero.

  • Page 80: Internal Source Calibration (Ical)

    Digital Panel Meter Instruction Manual Internal Source Calibration (ICAL) The meter is factory calibrated prior to shipment to read in milliamps and volts depending on the input selection. The calibration equipment is certified to NIST standards. The use of calibrated signal sources is necessary to calibrate the internal source of the meter.
  • Page 81 Digital Panel Meter Instruction Manual The display moves to the high input calibration ( C Hi ). Apply the high input signal and press Enter. Set the display for the high input calibration, in the same way as it was set for the low input calibration, typically 20.000 mA. The graphic above shows the calibration of the current input.

  • Page 82: Meter Copy Function (Copy)

    Digital Panel Meter Instruction Manual Error Message (Error) An error message indicates that the calibration or scaling process was not successful. The error message might be caused by any of the following conditions: Input signal is not connected to the proper terminals, or it is connected backwards.
  • Page 83 Digital Panel Meter Instruction Manual Meter Copy or Cloning Instructions Do not connect the two meters to the same signal source while cloning. Internal calibration may Caution! be affected. Connect two meters using a 101B224-05 meter copy cable. Using standard CAT5 or other cable will cause damage to both meters.

  • Page 84: Meter Operation

    Digital Panel Meter Instruction Manual METER OPERATION The meter is capable of accepting current (0-20 mA, 4-20 mA) and voltage signals (0-5 V, 1-5 V, 0-10 V,  10 V) and displaying these signals in engineering units from -99999 to 999999 (e.g. a 4-20 mA signal could be displayed as -50.000 to 50.000).

  • Page 85: F4 Operation

    Digital Panel Meter Instruction Manual F4 Operation A digital input, F4, is standard on the meter. This digital input is programmed identically to function keys F1, F2, and F3. The input is triggered with a contact closure to COM, or with an active low signal. During operation, F4 operates according to the way it has been programmed in the Advanced Features –...

  • Page 86: Troubleshooting

    Digital Panel Meter Instruction Manual TROUBLESHOOTING The rugged design and the user-friendly interface of the meter should make it unusual for the installer or operator to refer to this section of the manual. However, due to the many features and functions of the meter, it’s possible that the setup of the meter does not agree with what an operator expects to see.

  • Page 87: Reset Meter To Factory Defaults

    Digital Panel Meter Instruction Manual Reset Meter to Factory Defaults When the parameters have been changed in a way that is difficult to determine what’s happening, it might be better to start the setup process from the factory defaults. Instructions to load factory defaults: Enter the Advanced Features menu.

  • Page 88: Factory Defaults & User Settings

    Digital Panel Meter Instruction Manual Factory Defaults & User Settings The following table shows the factory setting for most of the programmable parameters on the meter. Next to the factory setting, the user may record the new setting for the particular application. Model: ______________ S/N: _______________ Date: ___________ Parameter Display...
  • Page 89 Digital Panel Meter Instruction Manual Parameter Display Default Setting User Setting Relay 3 reset point 2.500 RSt 3 Relay 4 action Automatic Act 4 Relay 4 set point 4.000 Set 4 Relay 4 reset point 3.500 RSt 4 Fail-safe relay 1 Fls 1 Fail-safe relay 2 Fls 2...
  • Page 90 Digital Panel Meter Instruction Manual Parameter Display Default Setting User Setting Minimum output 1.000 mA Slave ID (Address) SlavId Baud rate 9600 baud Transmit delay 50 ms Tr dly Parity Parity Even Byte-to-byte timeout 010 (0.1 sec) t-byt F1 function key Reset max &...

  • Page 91: Troubleshooting Tips

    Digital Panel Meter Instruction Manual Troubleshooting Tips Symptom Check/Action No display at all Check power at power connector Not able to change setup or Meter is password-protected, enter programming, Locd is displayed correct six-digit password to unlock Check: Meter displays error message Signal connections during calibration ( Error ) Input selected in Setup menu...

  • Page 92: Alphabetical List Of Display Functions & Messages

    Digital Panel Meter Instruction Manual Alphabetical List of Display Functions & Messages Display Parameter Action/Setting Description Enter mA output value read by milliamp meter 20 mA 20 mA output with at least 0.001 mA resolution 4 mA output Enter mA output value read by milliamp meter 4 mA with at least 0.001 mA resolution 999999...
  • Page 93 Digital Panel Meter Instruction Manual Display Parameter Action/Setting Description Calibrate Enter the Calibration menu Calibrate Calibrate 4-20 mA output (internal reference Calib source used for scaling the output) Control Enter Control menu to turn relays on/off, set Contrl analog output manually, or return meter to automatic operation Copy Enter copy function...
  • Page 94 Digital Panel Meter Instruction Manual Display Parameter Action/Setting Description disabl Disable Disable function key Delay 1 Enter relay 1 time delay setup (1-8) DLY 1 Digital Assign digital output 1 – 8, if expansion dO 1 output 1 modules are connected Done Copy function completed done...
  • Page 95 Digital Panel Meter Instruction Manual Display Parameter Action/Setting Description Input Input Enter Input selection menu Latching Set relay for latching operation LatCH LED test Test all LEDs LED t Length Enter the tank’s length in inches Length Linear Set meter for linear function and select Linear number of linearization points Max on little...
  • Page 96 Digital Panel Meter Instruction Manual Display Parameter Action/Setting Description On 1 On 1 Set relay 1 On time delay (1-8) Overrange Program mA output for display overrange O-rang Output 1 Program output 1 value (e.g. 4.000 mA) Out 1 Output 2 Program output 2 value (e.g.
  • Page 97 Digital Panel Meter Instruction Manual Display Parameter Action/Setting Description SCAL 1 Scale 1 Enter the Scale 1 menu for PV1 Scale 2 Enter the Scale 2 menu for PV2 SCAL 2 Scale Enter the Scale menu SCALE Select Enter Select menu (function, cutoff, output SelEct programming) Send...
  • Page 98 Digital Panel Meter Instruction Manual This Page Intentionally Left Blank...

  • Page 99: Figure 22. 1/8 Din Panel Cutout Template

    Digital Panel Meter Instruction Manual Figure 22. 1/8 DIN Panel Cutout Template...
  • Page 100 Ashcroft Inc. 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281, Fax: 203-385-0402 www.ashcroft.com All sales subject to standard terms and conditions of sale. © 2012 Ashcroft Inc. 2012 I&M - 12/12 LIM6000DI_A SFT039 Ver 3.100 & up 12/12...

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