Wachendorff LD2T06P0 Bedienungsanleitung
Wachendorff
Messgeräte
LD2T06P0
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1
AIR PRESSURE STABILIZATION VENT (57.15)
2.25
X
Z
Y
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
congure 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
congured 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 specied 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
Overow/Underow 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
Overow/Underow 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.
C
C
C
C
C
US LISTED
US LISTED
US LISTED
US LISTED
US LISTED
UL
R
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)
2
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 specied limits.
13. CONSTRUCTION: Aluminum enclosure, and steel side panels with textured
black polyurethane paint for scratch and corrosion resistance protection. Meets
NEMA 4X/IP65 specications. 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
LD
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
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, IMAX = 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, IMAX = 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, IMAX = 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
congured as active low. When the switch is in the SRC position (ON), the
input is congured as active high.
3
4
5
6
7
8ON
SNK
FILTER OFF
FILTER OFF
Reset/User Input SNK
UNUSED
Input B Normal
SRC
ON
ON
SRC
Intensity Adjust
Factory Setting
2
1
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 dierent 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 dierence 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 eectiveness.
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 eective. 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:
Schaner # FN610-1/07 (RLC# LFIL0000)
Schaner # 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.
Produktspezifikationen
| Marke: | Wachendorff |
| Kategorie: | Messgeräte |
| Modell: | LD2T06P0 |
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