LEM AHR SERIES Installationsanleitung

Diagrams Diagrams
Diagram 1 Diagram 1
AHR-B5/10 AHR-B5/10
Output Connector
1(+) 2(out) 3(none) 4(GND)
24 VDC Power
(+)
(-)
10k
(-) (+)
Load
(Controller, meter etc)
IMPORTANT IMPORTANT
• • This product is not intended for life or safety applications. This product is not intended for This product is not intended for life or safety applications. This product is not intended for
installation in hazardous or classified locations. installation in hazardous or classified locations.
• • Potential electrocution hazard exists. Installing sensors in an energized motor control cen Potential electrocution hazard exists. Installing sensors in an energized motor control cen
ter or on any energized conductor can be hazardous. ter or on any energized conductor can be hazardous.
• • Read instructions thoroughly prior to installation. Read instructions thoroughly prior to installation.
• • This transducer shall be used in accordance with manufacturer instruction. This transducer shall be used in accordance with manufacturer instruction.
• • Power supply shall be a low voltage source and shall have an efficient protective system Power supply shall be a low voltage source and shall have an efficient protective system
against over current. against over current.
• • The temperature of the primary conductor shall not exceed 100°C The temperature of the primary conductor shall not exceed 100°C
• • This transducer shall be used in an electric/electronic equipment in respect of standards This transducer shall be used in an electric/electronic equipment in respect of standards
rules and applicable safety requirements. rules and applicable safety requirements.
• • When operating the transducer, certain parts of the module can carry dangerous hazardous When operating the transducer, certain parts of the module can carry dangerous hazardous
voltage. Ignoring the warning can lead to serious injury and/or cause damage. voltage. Ignoring the warning can lead to serious injury and/or cause damage.
• • This transducer is a built in device, of which conducting parts must be inaccessible by This transducer is a built in device, of which conducting parts must be inaccessible by
installation. installation.
• • The operator must have accrediation to install this material. The operator must have accrediation to install this material.
AHR-B420 AHR-B420
Output Connector
AHR
1(+) 2(out) 3(none) 4(GND)
24 VDC Power
(+)
(-)
(-) (+)
Load
(Controller, meter etc)
Specifications Specifications
Output Signal Output Signal 0-5VDC or 0-10VDC 0-5VDC or 0-10VDC
or 4-20mA or 4-20mA
Output Limit Output Limit
B5/10 B5/10 7VDC for 5V output 7VDC for 5V output
AHR
and and 14VDC for 10V output 14VDC for 10V output
B420 B420 25mA 25mA
Frequency Range Frequency Range (+/- 1%) DC & (+/- 1%) DC &
20-6000 Hz 20-6000 Hz (All
Waveforms) Waveforms)
Response Time Response Time To 90% of step change. To 90% of step change.
150ms 150ms
Accuracy Accuracy 1% FS 1% FS
Power Supply Power Supply 20-50VDC Nominal 20-50VDC Nominal
Output Load for voltage output Output Load for voltage output
10 kΩ Ω min recommended.
10 k min recommended.
Output Load for current output Output Load for current output
300 Ω Ω max recommended.
300
Isolation Voltage Isolation Voltage 5 kV 5 kV
Environmental Environmental -40 to 70 Deg. C -40 to 70 Deg. C
-40 to158 Deg. F -40 to158 Deg. F
0-95% RH, non- 0-95% RH, non-
condensing condensing
Made to Measure Made to Measure
LEM is a Swiss company serving markets LEM is a Swiss company serving markets
connected with the transformation and use connected with the transformation and use
of electricity. It designs, develops and of electricity. It designs, develops and
manufactures high-performance solutions, manufactures high-performance solutions,
ranging from active components to the ranging from active components to the
most complex measuring systems. most complex measuring systems.
8, chemin des Aulx 8, chemin des Aulx
1228 Plan-les-Ouates 1228 Plan-les-Ouates
Geneva, Switzerland Geneva, Switzerland
www.lem.com www.lem.com
AHR SERIES AHR SERIES
AC/DC Current Transducers AC/DC Current Transducers
Ranges 500 to 2000A Ranges 500 to 2000A
4-20mA, 0-5 or 0-10 VDC Outputs 4-20mA, 0-5 or 0-10 VDC Outputs
True RMS True RMS
(All
max recommended.
Installation guide Installation guide
Manuel d'installation Manuel d'installation
Installation handleitung Installation handleitung
Installation Installation
1. 1. Mount the transducer to a surface if Mount the transducer to a surface if
needed. needed.
2. 2. Connect output wiring. Connect output wiring.
- - 0-5/10 VDC Model 0-5/10 VDC Model: Make sure output
load is at least 10 kΩ Ω . .
load is at least 10 k
- - 4-20mA Models 4-20mA Models: Make sure
connection is correct (see diagram 1). connection is correct (see diagram 1).
3. 3. Insert the wire in the transducer's hole. Insert the wire in the transducer's hole.
: Make sure output
: Make sure