Wachendorff LD4T06P0 Handleiding

Wachendorff Meetapparatuur LD4T06P0

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Pagina 1/16

AIR PRESSURE STABILIZATION VENT (57.15)

2.25

GENERAL DESCRIPTION

The Large Display Timer and Cycle Counter is a versatile display that

functions as an Elapsed Timer or Preset Timer, with full-featured user

programmability. The meter includes a built-in Cycle Counter, relay output and

serial communications capability. The 6 digit displays are available in either

2.25" or 4" high red LED digits with adjustable display intensity. The 2.25" high

models are readable up to 130 feet. The 4" high models are readable up to 180

feet. Both versions are constructed of a NEMA 4X/IP65 enclosure in light

weight aluminum.

The Timer has two signal inputs and eight input operating modes. These

modes provide level active or edge triggered start/stop operation. The Timer

features 18 selectable timer ranges to cover a wide variety of timing applications.

The built-in Cycle Counter can be linked to timer operation to count timing

cycles, or function as a totally independent counter, accepting count speeds up

to 500 Hz. The display can be toggled either manually or automatically between

the Timer and Counter values.

In addition to the Timer/Counter inputs, a programmable User Input is

provided to perform a variety of meter functions. DIP switches are used to

congure the inputs for current sinking (active low) or current sourcing (active

high) operation.

The Setpoint Output can be assigned to the Timer or Counter value, and

congured to suit a variety of control and alarm requirements. The meter also

includes RS232 or RS485 serial communications.

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 specied 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 VRMS for 1 min. to all inputs and outputs

3. TIMER DISPLAY: 6-digits

Display Range: 0 to 999999

Overow/Underow Indication: Display ashes “”

Minimum Digit Resolution: 0.001 Sec.

Maximum Single Digit Resolution: 1 Hr.

Timing Accuracy: ±0.01%

4. CYCLE COUNTER DISPLAY: 5-digits, may be disabled if not used

Display Designator: “” to the left side of the display

Display Range: 0 to 99999

Overow/Underow Indication: Display ashes “”

 2.25" or 4" HIGH RED LED DIGITS

 6-DIGIT BI-DIRECTIONAL TIMING CAPABILITY

 5-DIGIT CYCLE COUNTING CAPABILITY

 SELECTABLE TIMER RANGES AND OPERATING MODES

 ELAPSED TIMER AND PRESET TIMER FUNCTIONALITY

 SERIAL COMMUNICATIONS (RS232 or RS485)

 PROGRAMMABLE USER INPUT

 UNIVERSALLY POWERED

 5 AMP FORM C RELAY OUTPUT

 ALUMINUM NEMA 4X CASE CONSTRUCTION

MODEL LD - LARGE DISPLAY TIMER AND CYCLE COUNTER

DIMENSIONS In inches (mm)

Bulletin No. LDT-E

Drawing No. LP0634

Released 10/09

Tel +1 (717) 767-6511

Fax +1 (717) 764-0839

www.redlion.net

CAUTION: Risk of Danger.

Read complete instructions prior to

installation and operation of the unit.

CAUTION: Risk of electric shock.

US LISTED

51EB

IND. CONT. EQ.

PART

NUMBER X (Length) Y (Height) Z (Center)

LD2T06P0 16 (406.4) 4 (101.6) 12 (304.8)

LD4T06P0 26 (660.4) 7.875 (200) 22 (558.8)

ORDERING INFORMATION

Maximum Count Rate:

All Count Sources except Input B: 10 Hz

Input B Count Source:

With Timer Input Filter ON: 10 Hz

With Timer Input Filter OFF: 500 Hz

5. TIMER SIGNAL INPUTS (INP A and INP B)

DIP switch selectable pull-up (7.8 K ) or pull-down (3.9 K ) resistors  

determine active high or active low input logic.

Input A Trigger levels: VIL = 1.25 V max; VIH = 2.75 V min; VMAX = 28 VDC

Input B: Trigger levels: VIL = 1.0 V max; VIH = 2.4 V min; VMAX = 28 VDC

Inputs A and B:

Timer Input Pulse Width: 1 msec min.

Timer Start/Stop Response Time: 1 msec max.

Filter: Software ltering provided for relay or switch contact debounce.

Filter enabled or disabled through programming. If enabled, results in

50 msec start/stop response time for successive pulses applied to the

same input terminal.

6. RESET/USER INPUT Programmable Function Input:

DIP switch selectable pull-up (7.8 K ) or pull-down (3.9 K ) resistor  

that determines active high or active low input logic.

Trigger levels: VIL = 1.0 V max; VIH = 2.4 V min; VMAX = 28 VDC

Response Time: 10 msec typ.; 50 msec debounce (activation and release)

7. COMMUNICATIONS:

RS485 SERIAL COMMUNICATIONS

Type: RS485 multi-point balanced interface (isolated)

Baud Rate: 300 to 38400

Data Format: 7/8 bits; odd, even, or no parity

Bus Address: 0 to 99; max 32 meters per line

RS232 SERIAL COMMUNICATIONS

Type: RS232 half duplex (isolated)

Baud Rate: 300 to 38400

Data Format: 7/8 bits; odd, even, or no parity

8. MEMORY: Nonvolatile E2PROM retains all programming parameters and

timer/count values when power is removed.

9. :OUTPUT

Relay: Form C contacts rated at 5 amps @ 120/240 VAC or 28 VDC (resistive

load), 1/8 H.P. @ 120 VAC (inductive load)

10. :CONNECTIONS

Internal removable terminal blocks are used for power and signal wiring.

Remove end plates with ¼" nut driver. For LD4 versions, all wiring is on right

side of unit. For LD2 versions, power and signal wiring connections are on

the right side and the relay and serial output options are on left side.

Wire Strip Length: 0.4" (10 mm)

Wire Gage: 24-12 AWG copper wire

Torque: 5.3 inch-lbs (0.6 N-m) max

Cable Diameter: Outside diameter must be 0.181" (4.6 mm) to 0.312" (7.9

mm) to maintain NEMA 4 rating of cord grips.

11. ENVIRONMENTAL CONDITIONS:

Operating temperature: 0 to 50 °C

Storage temperature: -40 to 70 °C

Operating and storage humidity: 0 to 85% max. RH (non-condensing)

Vibration According to IEC 68-2-6: Operational 5 to 150 Hz, in X, Y, Z

direction for 1.5 hours, 2 g’s (1g relay).

Shock According to IEC 68-2-27: Operational 30 g’s (10g relay), 11 msec in

3 directions.

Altitude: Up to 2,000 meters

12. CERTIFICATIONS AND COMPLIANCES:

SAFETY

UL Listed, File # E137808, UL508, CSA C22.2 No. 14-M95

LISTED by Und. Lab. Inc. to U.S. and Canadian safety standards

Type 4X Enclosure rating, UL50

IEC 61010-1, EN 61010-1: Safety requirements for electrical equipment for

measurement, control, and laboratory use, Part 1.

IP65 Enclosure rating, IEC 529

ELECTROMAGNETIC COMPATIBILITY

Emissions and Immunity to EN 61326: Electrical Equipment for Measurement,

Control and Laboratory use.

Notes:

1. Criterion A: Normal operation within specied limits.

13. CONSTRUCTION: Aluminum enclosure, and steel side panels with textured

black polyurethane paint for scratch and corrosion resistance protection. Meets

NEMA 4X/IP65 specications. Installation Category II, Pollution Degree 2.

14. :WEIGHT

LD2T06P0 - 4.5 lbs (2.04 kg)

LD4T06P0 - 10.5 lbs (4.76 kg)

Class BEN 55011Emissions

Emissions:

0.5 cycle

Criterion A

3 V/rms

EN61000-4-11Voltage dip/interruptions

Criterion AEN 61000-4-6RF conducted interference

1 kV L-L,

Criterion AEN 61000-4-5Surge

1 kV signal

2 kV power

Criterion AEN 61000-4-4Fast transients (burst)

2 kV L&N-E power

10 V/m

Criterion AEN 61000-4-3Electromagnetic RF elds

8 kV air discharge

4 kV contact discharge

Criterion AEN 61000-4-2Electrostatic discharge

Immunity to Industrial Locations:

1.0 INSTALLING THE METER

INSTALLATION

The meter meets NEMA 4X/IP65 requirements when properly installed.

INSTALLATION ENVIRONMENT

The unit should be installed in a location that does not exceed the operating

temperature. Placing the unit near devices that generate excessive heat should be

avoided. The unit should only be cleaned with a soft cloth and neutral soap

product. Do NOT use solvents.

Continuous exposure to direct sunlight may accelerate the aging process of

the front overlay. Do not use tools of any kind (screwdrivers, pens, pencils, etc.)

to operate the keypad of the unit.

MOUNTING INSTRUCTIONS

This display is designed to be

wall mounted or suspended

from a ceiling truss or other

suitable structure capable

of supporting the LDT.

Caution should be exercised

when hanging the display to

provide for the safety of

personnel. If hanging the LDT,

run the suspension cables (or

chains) through the mounting

bracket holes. For wall mounting

use #10-32 size bolts.

MOUNTING HOLE (.281")

MUST BE

CONNECTED TO

TERMINAL #3 (TBA)

MODEL NO. DESCRIPTION PART NUMBER

2.25" High 6-Digit Red LED Timer/Cycle Counter w/ Relay Output &

RS232/RS485 Serial Communications LD2T06P0

4" High 6-Digit Red LED Timer/Cycle Counter w/ Relay Output &

RS232/RS485 Serial Communications LD4T06P0

LD Plug Panel Meter Plug for LD models (NOT included in LD Product UL File) LDPLUG00

3.0 WIRING THE METER

2.0 S DIP SETTING THE WITCHES

To access the switches, remove the right side plate of the meter. A bank of eight

switches is located inside the unit. Note: Some switches are not used and should

remain in the factory set position.

Warning: Exposed line voltage exists on the circuit boards.

Remove all power to the meter and load circuits before accessing

inside of the meter.

SWITCH 1 (Unused)

This switch is not used and should remain in the factory set position.

SWITCH 2 (Input A) {See Note 1}

SNK: Adds internal 7.8 K pull-up resistor to +12 VDC, IMAX = 2.1 mA.

SRC: Adds internal 3.9 K pull-down resistor, 7.2 mA max. @ 28 VDC max.

SWITCH 3 (Input A)

FILTER ON: Provides hardware debounce for Input A to allow relay or

switch contacts to be used as a signal source. Software debounce for Inputs

A and B is provided in the programming menu (Module 1).

SWITCH 4 (Input B) {See Note 1}

SNK: Adds internal 7.8 K pull-up resistor to +12 VDC, IMAX = 2.1 mA.

SRC: Adds internal 3.9 K pull-down resistor, 7.2 mA max. @ 28 VDC max.

SWITCH 5 (Input B)

FILTER ON: Provides hardware debounce for Input B to allow relay or

switch contacts to be used as a signal source. Software debounce for Inputs

A and B is provided in the programming menu (Module 1).

SWITCH 6 (RESET/USER INPUT) {See Note 1}

SNK: Adds internal 7.8 K pull-up resistor to +12VDC, IMAX = 2.1 mA.

SRC: Adds internal 3.9 K pull-down resistor, 7.2 mA max. @ 28 VDC max.

SWITCH 7 (Unused)

This switch is not used and should remain in the factory set position.

SWITCH 8 (Input B)

NORMAL: Input B performs the normal functions described in the Timer

Input Operation parameter of the programming menu (Module 1).

INTENSITY ADJUST: In this position, Input B is used to adjust the LED

display intensity. Five distinct LED levels can be set by pulsing Input B.

The display intensity level can also be set in the programming menu

(Module 3).

Note 1: When the DIP switch is in the SNK position (OFF), the input is

congured as active low. When the switch is in the SRC position (ON), the

input is congured as active high.

8ON

SNK

FILTER OFF

Reset/User Input SNK

UNUSED

Input B Normal

SRC

Intensity Adjust

Factory Setting

SNK

UNUSED

SRC

Input A

Input B

EMC INSTALLATION GUIDELINES

Although this meter is designed with a high degree of immunity to Electro-

Magnetic Interference (EMI), proper installation and wiring methods must be

followed to ensure compatibility in each application. The type of the electrical

noise, source or coupling method into the meter may be dierent for various

installations. The meter becomes more immune to EMI with fewer I/O

connections. Cable length, routing, and shield termination are very important

and can mean the dierence between a successful or troublesome installation.

Listed below are some EMC guidelines for successful installation in an

industrial environment.

1. The meter should be properly connected to protective earth.

2. Use shielded (screened) cables for all Signal and Control inputs. The shield

(screen) pigtail connection should be made as short as possible. The

connection point for the shield depends somewhat upon the application.

Listed below are the recommended methods of connecting the shield, in order

of their eectiveness.

a. Connect the shield only at the panel where the unit is mounted to earth

ground (protective earth).

b. Connect the shield to earth ground at both ends of the cable, usually when

the noise source frequency is above 1 MHz.

c. Connect the shield to common of the meter and leave the other end of the

shield unconnected and insulated from earth ground.

3. Never run Signal or Control cables in the same conduit or raceway with AC

power lines, conductors feeding motors, solenoids, SCR controls, and

heaters, etc. The cables should be ran in metal conduit that is properly

grounded. This is especially useful in applications where cable runs are long

and portable two-way radios are used in close proximity or if the installation

is near a commercial radio transmitter.

4. Signal or Control cables within an enclosure should be routed as far as possible

from contactors, control relays, transformers, and other noisy components.

5. In extremely high EMI environments, the use of external EMI suppression

devices, such as ferrite suppression cores, is eective. Install them on Signal

and Control cables as close to the unit as possible. Loop the cable through the

core several times or use multiple cores on each cable for additional protection.

Install line filters on the power input cable to the unit to suppress power line

interference. Install them near the power entry point of the enclosure. The

following EMI suppression devices (or equivalent) are recommended:

Ferrite Suppression Cores for signal and control cables:

Fair-Rite # 0443167251 (RLC# FCOR0000)

TDK # ZCAT3035-1330A

Steward # 28B2029-0A0

Line Filters for input power cables:

Schaner # FN610-1/07 (RLC# LFIL0000)

Schaner # FN670-1.8/07

Corcom # 1 VR3

Note: Reference manufacturer's instructions when installing a line lter.

6. Long cable runs are more susceptible to EMI pickup than short cable runs.

Therefore, keep cable runs as short as possible.

7. Switching of inductive loads produces high EMI. Use of snubbers across

inductive loads suppresses EMI.

Snubber: RLC# SNUB0000.

Product specificaties

Merk:	Wachendorff
Categorie:	Meetapparatuur
Model:	LD4T06P0

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