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red lion LDA Series Manual

Large analog input displays
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t r u s t + i n n o v a t i o n
LDA Series
Large Analog Input Displays
Go to Market Kit
April 2007

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Summary of Contents for red lion LDA Series

  • Page 1 ® t r u s t + i n n o v a t i o n LDA Series Large Analog Input Displays Go to Market Kit April 2007...
  • Page 3 NTRODUCTION ERIES Red Lion is pleased to introduce a new large digital display series for analog inputs. The LDA displays are 5 digit large displays capable of accepting DC current, process or voltage input signals and scaling them to the desired readout.
  • Page 4 [Company] announces the new programmable LDA, Large Digital Display for Analog Inputs from Red Lion. The LDA is a versatile 5 digit display available in 2.25 inch and 4 inch high red LED digits, with readability up to 130 feet and 180 feet, respectively.
  • Page 6 LDA Series E-mail Template...
  • Page 7 LDA Large Display for Analog Inputs Agenda What is the LDA? Easy programming About the input Setpoint control Communication Other features Packaging Applications...

  • Page 8: Easy Programming

    LDA Large Display The new LDA, Large Digital Display for Analog Inputs, is capable of accepting DC current, process or voltage signals, scaling them to the desired readout. Two models are available with display heights of 2.25" readable to 130' or the 4" readable to 180'. Both versions offer setpoint control and communications.

  • Page 9: Setpoint Control

    About the Input Current, process and voltage, same display Inputs jumper programmable Not zero based 4 current ranges, 200 mA DC max 5 voltage ranges, 200 VDC max Setpoint Control Setpoints standard Dual setpoints Dual 5 Amp form “C” relays 120/240 VAC or 28 VDC capability Full control of delay...

  • Page 10: Other Features

    Communication Communications standard RS232 or RS485 Programmable address Baud rate up to 38.4K Active parameters; input, min/max display and setpoints Other Features Programmable scaling Selectable decimal points Programmable user input Adjustable display intensity Programming lock-out New 24 VDC power input New universal power input (accepts both AC and DC power)
  • Page 11 Packaging 2.25" high, red LED NEMA 4X rated enclosure 4 “ high, red LED Air pressure stabilizer Aluminum case Applications Tank Monitoring (Ultrasonic Sensors) Flow Rates (Flow Meters) Pressure (Pressure Sensors) Temperature (Temperature Transducers)
  • Page 13 Bulletin No. LDVI-X Drawing No. LP0673 Effective XX/07 Tel +1 (717) 767-6511 Fax +1 (717) 764-0839 www.redlion.net MODEL LD - LARGE DC VOLT/CURRENT/PROCESS DISPLAY 2.25" & 4" HIGH RED LED DIGITS PROGRAMMABLE SCALING AND DECIMAL POINTS PROGRAMMABLE USER INPUT DUAL 5 AMP FORM C RELAY ALUMINUM NEMA 4X CASE CONSTRUCTION RS232/RS485 SERIAL COMMUNICATIONS AC or DC POWERED...
  • Page 14 4. RESET/USER INPUT: 10. CERTIFICATIONS AND COMPLIANCES: SAFETY User Input: Software selectable pull-up (8.6KΩ) or pull-down resistor IEC 61010-1, EN 61010-1: Safety requirements for electrical equipment for (3.9 KΩ) that determines active high or active low input logic. measurement, control, and laboratory use, Part 1. Trigger levels: V = 1.0 V max;...

  • Page 15: Wiring The Meter

    2.0 S ETTING THE UMPERS INPUT RANGE JUMPER This jumper is used to select the proper input range. The input range selected in programming must match the jumper setting. Select a range that is high enough to accommodate the maximum signal input to avoid overloads. To access the jumper, remove the side cover of the meter.
  • Page 16 3.1 POWER WIRING The power wiring is made via the 3 position terminal block (TBA) located inside the unit (right side). The DC out power is located: LD2 - left side, LD4 - right side DC Out Power Power Terminal 4: + 24 VDC OUT Terminal 1: VAC/DC + Terminal 6: User Common Terminal 2: VAC/DC -...
  • Page 17 communications to take place. This is known as a null modem connection. Most 3.5 SERIAL WIRING printers emulate a DCE device while most computers emulate a DTE device. Some devices cannot accept more than two or three characters in succession The serial connections are made via terminal block TBD located inside the without a pause in between.
  • Page 18 5.0 P ROGRAMMING THE ETER OVERVIEW PROGRAMMING MENU PROGRAMMING MODE ENTRY (SEL BUTTON) PROGRAMMING MODE EXIT (SEL BUTTON) It is recommended all programming changes be made off line, or before The Programming Mode is exited by pressing the button with Pro NO installation.
  • Page 19 DISPLAY OFFSET VALUE INPUT VALUE FOR SCALING POINT 2 INP 2 OFSEt 29999 -19999 19999 10. 0 00 0. 0 00 The display can be corrected with an offset value. This can be used to For Key-in ( ) style, enter the known second Input Value using the front compensate for signal variations or sensor errors.
  • Page 20 5.2 MODULE 2 - S ECONDARY UNCTION ARAMETERS 2-SEC PARAMETER MENU MAX DISPLAY ENABLE CALIBRATION HI-En The LD uses stored calibration values to provide accurate CodE measurements. Over time, the electrical characteristics of the components inside the LD will slowly change with the result that the stored calibration values no longer accurately Enables the Maximum Display Capture capability.
  • Page 21 5.3 MODULE 3 - D ISPLAY AND RONT ANEL UTTON ARAMETERS 3-dSP PARAMETER MENU PROGRAMMING SECURITY CODE DISPLAY UPDATE TIME dSP-t CodE seconds 0. 5 This parameter sets the display update time in seconds. The Security Code determines the programming mode and the accessibility of programming parameters.
  • Page 22 5.4 MODULE 4 - S ETPOINT UTPUT ARAMETERS 4-SPt PARAMETER MENU SETPOINT VALUE The Setpoint Output Parameters are only active when an optional output module is installed in the meter. SPt-n -9999 99999 SETPOINT SELECT SPSEL SP-1 SP-2 Enter the desired setpoint value. The decimal point position for the setpoint and hysteresis values follow the selection set in Module 1.
  • Page 23 corresponding “on” output is reset immediately and remains off until the OUTPUT RESET WITH DISPLAY RESET trigger point is crossed again. (Previously latched alarms will be off if power rEn-n up Display Value is lower than setpoint value.) = Latch with delay reset action; This action latches the output on at the L-dLY trigger point per the Setpoint Action shown in Setpoint Output Figures.
  • Page 24 METER ADDRESS PRINT OPTIONS Addr This parameter selects the meter values transmitted in response to a Print Enter the serial node address. With a single unit, an address is not needed Request. A print request is also referred to as a block print because more than and a value of zero can be used (RS232 applications).
  • Page 25 Receiving Data From The Meter Abbreviated Transmission Data is transmitted from the meter in response to either a transmit command (T), a block print request command (P) or a User Input print request. The Byte Description response from the meter is either a full field transmission or an abbreviated 12 byte data field, 10 bytes for number, one byte for sign, 1-12 transmission, depending on the selection chosen in Module 5.

  • Page 26: Parity Bit

    Communication Format Start Bit and Data Bits Data is transferred from the meter through a serial communication channel. In serial communications, the voltage is switched between a high and low level Data transmission always begins with the start bit. The start bit signals the at a predetermined rate (baud rate) using ASCII encoding.
  • Page 27 LD PROGRAMMING QUICK OVERVIEW...

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