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AIR PRESSURE STABILIZATION VENT

(57.15)

2.25

GENERAL DESCRIPTION

The Large Display is a versatile display that can be configured as a single or

dual counter with rate indication, scaling, serial communications and a dual

relay output. There are also basic models that have a single counter with

direction control only (no scaling or relay output).

The 4 & 6 digit displays are available in either 2.25" or 4" high red LED digits

with adjustable display intensities. The 2.25" high models are readable up to 130

feet. The 4" high models are readable up to 180 feet. All versions are constructed

of a NEMA 4X/IP65 enclosure in light weight aluminum.

The 6-digit programmable models have two signal inputs and a choice of

eight different count modes. These include bi-directional, quadrature and anti-

coincidence counting, as well as a dual counter mode. When programmed as a

dual counter, each counter has separate scaling and decimal point selection.

Rate indication is available on the programmable models only. The rate

indicator has separate scaling and decimal point selection, along with

programmable display update times. The meter display can be toggled either

manually or automatically between the count and rate values.

The programmable models also come with a dual Form C relay output and

RS232 or RS485 serial communications. The outputs can activate based on

either counter or rate setpoint values. An internal batch counter can be used to

count setpoint output activations.

SAFETY SUMMARY

All safety regulations, local codes and instructions that appear in this and

corresponding literature, or on equipment, must be observed to ensure personal

safety and to prevent damage to either the instrument or equipment connected to

it. If equipment is used in a manner not specified by the manufacturer, the

protection provided by the equipment may be impaired.

Do not use this unit to directly command motors, valves, or other actuators

not equipped with safeguards. To do so can be potentially harmful to persons or

equipment in the event of a fault to the unit.

The protective conductor terminal is bonded to conductive

parts of the equipment for safety purposes and must be

connected to an external protective earthing system.

SPECIFICATIONS

1. DISPLAY: 2.25" (57 mm) or 4" (101 mm) intensity adjustable Red LED

2. POWER REQUIREMENTS:

AC POWER: 50 to 250 VAC 50/60 Hz, 26 VA

DC POWER: 21.6 to 250 VDC, 11 W

DC OUT: +24 VDC @ 100 mA if input voltage is greater than 50 VAC/VDC

+24 VDC @ 50 mA if input voltage is less than 50 VDC

Isolation: 2300 V

RMS

for 1 min. to all inputs and outputs

3. COUNT INPUT(S):

Counter(s) have DIP switch selectable pull-up (7.8 K) or pull-down

resistors (3.9 K) that determine active high or active low input logic.

Counters are DIP switch selectable for high or low frequency (Damping

capacitor provided for switch contact bounce. Limits input frequency to 50

Hz and input pulse widths to 10 msec min.)

Input A Trigger levels: V

= 1.25 V max; V

= 2.75 V min; V

MAX

= 28 VDC

Input B Trigger levels: V

= 1.0 V max; V

= 2.4 V min; V

MAX

= 28 VDC

Overflow Indication: Display “” alternates with overflowed count value.

LD200400, LD200600, LD400400, & LD400600:

Count Rate: 25 KHz max. @ 50% duty cycle (no scaling)

LD2006P0 & LD4006P0:

Maximum Count Rates: 50% duty cycle, count mode dependent.

With setpoints disabled: 25 KHz, all modes except Quadrature x4 (23 KHz).

With setpoint(s) enabled: 20 KHz, all modes except Dual Counter (14

KHz), Quadrature x2 (13 KHz) and Quadrature x4 (12 KHz).

4. RATE INPUT: Models LD2006P0 & LD4006P0 only

Display Range: 0 to 99999

Min Freq.: 0.01 Hz

Max Freq.: See Count Input specification

Accuracy: ±0.01%

Rate Overflow Indication: Display “

”

 2.25" & 4" HIGH RED LED DIGITS

 AVAILABLE IN 4 OR 6 DIGIT VERSIONS

 SINGLE OR DUAL COUNTER with RATE INDICATOR *

 PROGRAMMABLE SCALING AND DECIMAL POINTS *

 BUILT-IN BATCH COUNTING CAPABILITY *

 PROGRAMMABLE USER INPUT *

 UNIVERSALLY POWERED

 DUAL 5 AMP FORM C RELAY *

 ALUMINUM NEMA 4X CASE CONSTRUCTION

* Programmable models only

MODEL LD - LARGE DISPLAY

DIMENSIONS In inches (mm)

Bulletin No. LD-K

Drawing No. LP0607

Released 05/11

Tel +1 (717) 767-6511

Fax +1 (717) 764-0839

www.redlion.net

PART

NUMBER

X (Length) Z (Center)

LD2004xx 12 (304.8) 8 (203.2)4 (101.6)

LD2006xx 16 (406.4)

LD4004xx 20 (508)

LD4006xx 26 (660.4) 22 (558.8)

CAUTION: Risk of Danger.

Read complete instructions prior to

installation and operation of the unit.

CAUTION: Risk of electric shock.

16 (406.4)

12 (304.3)4 (101.6)

Y (Height)

7.875 (200)

US LISTED

51EB

IND. CONT. EQ.

1 2 3 4 5 6 ... 15 16

Inhaltsverzeichnis

Seite 1 - MODEL LD - LARGE DISPLAY

1AIR PRESSURE STABILIZATION VENT(57.15)2.25XZYGENERAL DESCRIPTIONThe Large Display is a versatile display that can be configured as a single or dual c

Seite 2 - 1.0 INSTALLING THE METER

10The  selection allows the SEL key to toggle through the enabled displays.FRONT PANEL DISPLAY SELECT ENABLE (SEL)The  selection allows the R

Seite 3 - 2.0 SETTING THE DIP SWITCHES

11Select  to perform either of the Factory Service Operations shown below.FACTORY SERVICE OPERATIONSEntering Code 50 will display the model

Seite 4 - 3.3 SETPOINT (OUTPUT) WIRING

12SETPOINT OUTPUT TIME-OUTThis parameter is only active if the Setpoint Action is set to timed output mode (). Enter the value in seconds that th

Seite 5 - 3.5 SERIAL WIRING

13PARData BitBaud Rate Parity Bit Print OptionsMeter AddressAbbreviated Printing5-SErbAUd dAtAPAritY Addr AbbrPr-OPt ProAutomatic Data Transmit AUtOCo

Seite 6 - 5.0 PROGRAMMING THE METER

Sending Serial Commands and DataWhen sending commands to the meter, a string containing at least one command character must be constructed. A command

Seite 7 - NPUT SETUP PARAMETERS ()

Command Response TimeThe meter can only receive data or transmit data at any one time (half-duplex operation). During RS232 transmissions, the meter i

Seite 8 - SCALING FOR COUNT INDICATION

A-rStA-dPtINP Ab1-INPA-Scfb-bAtA-dir Cnt LdStYLERate Input Scaling StyleRate Decimal PointRate Enablert-Enb rt-dPt2-rAtErt-dSPRate Scaling Display Val

Seite 9 - ATE SETUP PARAMETERS ()

2ORDERING INFORMATIONTYPE MODEL NO. DESCRIPTION PART NUMBERBasic (No front panel keys)LD2.25" High 4-Digit Red LED Counter LD2004002.25" Hig

Seite 10 - ARAMETERS ()

33.0 WIRING THE METER2.0 SETTING THE DIP SWITCHESSETTING THE 8 DIP SWITCHESTo access the switches, remove the right side plate of the meter. A bank of

Seite 11 - SP2 Only

4WIRING OVERVIEWElectrical connections are made via pluggable terminal blocks located inside the meter. All conductors should conform to the meter&apo

Seite 12 - ACTIONSELECTION

53.4 INPUT WIRINGThe Large Display has two signal inputs, A and B. These inputs are wired to terminal block TBB located inside the unit on the right

Seite 13 - FACTORY

64.0 REVIEWING THE FRONT PANEL KEYS AND DISPLAY5.0 PROGRAMMING THE METERParametersOutputSetpointParametersInput SetupProDISPLAYMODEPanel KeyRate Setup

Seite 14 - Receiving Data From The Meter

7COUNT MODESelect the count mode that corresponds with your application. The input actions are shown in the boxes below. For simple counting applicati

Seite 15 - Communication Format

8COUNTER RESET AT POWER-UP COUNTER B DECIMAL POINT POSITIONThis selects the decimal point position for Counter B. The selection will also affect

Seite 16 - PROGRAMMING QUICK OVERVIEW

9SCALING FOR RATE INDICATIONTo scale the Rate, enter a Scaling Display value with a corresponding Scaling Input value. These values are internally plo

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