Wachendorff LD4A05P0 Bedienungsanleitung
Wachendorff
Messung
LD4A05P0
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1
AIR PRESSURE STABILIZATION VENT (57.15)
2.25
X
Z
Y
GENERAL DESCRIPTION
The Large Display is a versatile display available as a DC volt, current, or
process meter with scaling, serial communications and dual relay outputs. The 5
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. Both versions are constructed
of a NEMA 4X/IP65 enclosure in light weight aluminum.
All models also come with dual Form C relay outputs and RS232 / 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.
ORDERING INFORMATION
MODEL NO. DESCRIPTION PART NUMBER
LD2A 2.25" High 5 Digit Red LED Volt/Current Meter w/
Relay Output and RS232/RS485 Serial Comms LD2A05P0
LD4A 4" High 5 Digit Red LED Volt/Current Meter w/
Relay Output and RS232/RS485 Serial Comms LD4A05P0
LD Plug Panel Meter Plug for LD models
(NOT included in LD Product UL File) LDPLUG00
SPECIFICATIONS
1. DISPLAY: 5 digit, 2.25" (57 mm) or 4" (101 mm) intensity adjustable Red LED
(-99999 to 99999)
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. INPUT RANGES: Jumper Selectable
D.C. Voltages: 200 mV, 2 V, 20 V, 200 V, 10 V
D.C. Currents: 200 A, 2 mA, 20 mA, 200 mA
D.C. Process: 4 to 20 mA, 1 to 5 VDC, 0/1 to 10 VDC
4. OVERRANGE/UNDERRANGE INDICATION:
Input Overrange Indication: “OLOL”.
Input Underrange Indication: “ULUL”.
Display Overrange/Underrange Indication: “..... .....”/“- ”
2.25" & 4" HIGH RED LED DIGITS
PROGRAMMABLE SCALING AND DECIMAL POINTS
PROGRAMMABLE USER INPUT
DUAL 5 AMP FORM C RELAY
ALUMINUM NEMA 4X/IP65 CASE CONSTRUCTION
RS232/RS485 SERIAL COMMUNICATIONS
UNIVERSALLY POWERED
MODEL LD - LARGE DC VOLT/CURRENT/PROCESS DISPLAY
DIMENSIONS In inches (mm)
Bulletin No. LDA-C
Drawing No. LP0673
Released 09/09
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.
INPUT
RANGE
INPUT
IMPEDANCE
MAX
INPUT
SIGNAL
RESOLUTION TEMP.
COEFFICIENT
200 mV 0.1% of span 1.027 M75 VDC 10 Vμ70 ppm /°C
2 V 0.1% of span 1.027 M75 VDC 0.1 mV 70 ppm /°C
20 V 0.1% of span 1.027 M250 VDC 1 mV 70 ppm /°C
10 V
200 V
0.1% of span
0.1% of span
538 K
1.027 M
30 V
250 VDC
1 mV
10 mV
70 ppm /°C
70 ppm /°C
ACCURACY @
23 C LESS
THAN 85% RH
INPUT
RANGE
INPUT
IMPEDANCE
MAX
INPUT
SIGNAL
RESOLUTION TEMP.
COEFFICIENT
200 μΑ 0.1% of span 1.111 K15 mA 10 nA 70 ppm /°C
2 mA 0.1% of span 111 50 mA 70 ppm /°C0.1 Aμ
20 mA 0.1% of span 11 150 mA 1 Aμ70 ppm /°C
200 mA 0.1% of span 1 500 mA 10 Aμ70 ppm /°C
ACCURACY @
23 C LESS
THAN 85% RH
22 (558.8)
12 (304.3)
Z (Center)
7.875 (200)26 (660.4)LD4A05P0
4 (101.6)16 (406.4)LD2A05P0
Y (Height)X (Length)
PART
NUMBER
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.
INPUT RANGE SELECT RANGE
4 - 20 mA Use the 20 mA range
1 - 5 VDC Use the 10V range
1 - 10 VDC Use the 10V range
C
C
C
C
C
US LISTED
US LISTED
US LISTED
US LISTED
US LISTED
UL
R
51EB
IND. CONT. EQ.
C
C
C
C
C
US LISTED
US LISTED
US LISTED
US LISTED
US LISTED
UL
R
LABORATORY EQUIPMENT
3RSD
2
5. A/D CONVERTER: 16 bit resolution
A/D Conversion Rate: 6 readings/sec.
6. DISPLAY RESPONSE TIME: 500 msec min.
7. : USER INPUT
Software selectable pull-up (8.6 K ) or pull-down resistor
(3.9 K ) 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: 5 msec typ.; 50 msec debounce (activation and release)
8. COMMUNICATIONS:
Type: RS485 or RS232
Isolation To Sensor & User Input Commons: 500 Vrms for 1 min.
Working Voltage: 50 V. Not Isolated from all other commons.
Data: 7/8 bits
Parity: no, odd or even
Baud Rate: 300 to 38.4 K
Bus Address: Selectable 0 to 99, Max. 32 meters per line (RS485)
9. MEMORY: Nonvolatile E2PROM retains all programming parameters and
max/min values when power is removed.
10. :OUTPUT
Type: Single FORM-C relay
Isolation To Sensor & User Input Commons: 1400 Vrms for 1 min.
Working Voltage: 150 Vrms
Contact Rating: 5 amps @ 120/240 VAC or 28 VDC (resistive load), 1/8
H.P. @ 120 VAC (inductive load)
Life Expectancy: 100,000 minimum operations
Response Time:
Turn On Time: 4 msec max.
Turn O Time: 4 msec max.
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 (1 g relay).
Shock According to IEC 68-2-27: Operational 30 g’s (10 g relay), 11 msec
in 3 directions.
Altitude: Up to 2,000 meters
12. CONNECTIONS:Internal removable terminal blocks
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.
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. CERTIFICATIONS AND COMPLIANCES:
SAFETY
UL Listed, File # E137808, UL508, CSA C22.2 No. 14-M95
File # E179259, UL61010A-1, CSA C22.2 No. 61010-1
LISTED by Und. Lab. Inc. to U.S. and Canadian safety standards
Type 4X Enclosure rating, UL50
IECEE CB Scheme Test Report #E179259-A3-CB-1
Issued by Underwriters Laboratories, Inc.
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.
2. Criterion B: Temporary loss of performance from which the unit self-
recovers.
15. :WEIGHT
LD2A05XX - 4.5 lbs (2.04 kg)
LD4A05XX - 10.5 lbs (4.76 kg)
1.0 INSTALLING THE METER
Class AEN 55011Emissions
0.5 cycle
Criterion AEN 61000-4-11
Emissions:
Voltage dip/interruptions
3 V/rms
Criterion BEN 61000-4-6RF conducted interference
1 kV L-L,
Criterion AEN 61000-4-5Surge
1 kV signal
2 kV power
Criterion BEN 61000-4-4Fast transients (burst)
2 kV L&N-E power
10 V/m
Criterion BEN 61000-4-3Electromagnetic RF elds
8 kV air discharge
4 kV contact discharge
Criterion BEN 61000-4-2Electrostatic discharge
Immunity to Industrial Locations:
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.
Warning: Exposed line voltage exists on the circuit boards.
Remove all power to the meter and load circuits before accessing
inside of the meter.
2.0 SETTING THE JUMPERS
RANGE SELECT
6542 31
TBC
20 V/200 V
200 MV/2 V
10 V
200 µA
200 MA
20 MA
2 MA
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 LDA.
Caution should be
exercised when hanging
the display to provide for
the safety of personnel. If
hanging the LDA, 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)
3
3.0 WIRING THE METER
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.
WIRING OVERVIEW
Electrical connections are made via pluggable terminal blocks located inside
the meter. All conductors should conform to the meter's voltage and current
ratings. All cabling should conform to appropriate standards of good installation,
local codes and regulations. It is recommended that the power supplied to the
meter (DC or AC) be protected by a fuse or circuit breaker. When wiring the
meter, compare the numbers on the label on the back of the meter case against
those shown in wiring drawings for proper wire position. Strip the wire, leaving
approximately 0.4" (10 mm) bare lead exposed (stranded wires should be tinned
with solder.) Insert the lead under the correct screw clamp terminal and tighten
until the wire is secure. (Pull wire to verify tightness.) Each terminal can accept
up to one #14 AWG (2.55 mm) wire, two #18 AWG (1.02 mm), or four #20
AWG (0.61 mm).
WIRING CONNECTIONS
Internal removable terminal
blocks are used for power and
signal wiring. Access to
terminal blocks is through
conduit ttings. Remove end
plates with ¼" nut driver. For
LD4 versions, all wiring is on
right side of unit. For LD2
versions, power and relay
wiring is on the right side and
the input, serial, DC out and
user input is on the left side.
Connect drain wire from
shielded cable(s) to screw on
side plate for proper grounding.
Front
TBA
321
Front
TBB
4 651 32
TBC
TBD
31 2 4 5 6
RANGE SELECT
1 52 3 4
LD2
Front
TBA
321 4 65321
TBB
RANGE SELECT
6542 31
TBC
53 421
TBD
RIGHT SIDE VIEW LEFT SIDE VIEW
LD4
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
3.1 POWER WIRING
USER COMM
+ EXC
6
4
TBC
DC Out Power
Terminal 4: + 24 VDC OUT
Terminal 6: User Common
Power
Terminal 1: VAC/DC +
Terminal 2: VAC/DC -
Terminal 3: Protective Conductor
Terminal
1
2
L1
L2
3
TBA
+
-
Produktspezifikationen
| Marke: | Wachendorff |
| Kategorie: | Messung |
| Modell: | LD4A05P0 |
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Bedienungsanleitung Messung Wachendorff
24 Mai 2024
11 März 2024
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