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Laurel Electronics
provides digital panel meters / controllers, totalizers, counters,
loop-powered meters, temperature meters, for all types of
transducers or process indication & control. |
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DC
Voltage or Current Input 4-20 mA Current
Transmitter
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DIN
Rail mounted, digitally programmable. Exceptional accuracy at high update rates.
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Click
to Order DC Voltage or Current Input
Transmitter
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Features |
0.2,
2, 20, 200, 300V & 600V ranges. |
2,
20, 200 mA and 5A ranges.
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All
ranges factory calibrated. |
4-20
mA or 0-10V isolated transmitter outputs, selectable.
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Update
rate: to 60/sec.
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Built-in
5V, 10V or 15V dc excitation supply.
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| DIN
rail mount package only 22.5 mm thick.
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Powered
by AC or DC.
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| Detachable
screw-clamp connectors.
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Easy
setup using Laurel's PC-based Instrument
Setup Software.
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| Optional
dual solid state relays for alarm or control.
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Optional
custom curve linearization (Extended main board). |
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Description
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Laureate
4-20 mA output, DC input transmitters provide
six voltage ranges and four current ranges, all
factory calibrated and jumper selectable. The 200.00
mV and 2.0000 V ranges provide a high input
impedance of 1 Gohm to minimize the load on the
voltage signal. A 5.000A range measures the IR drop
across a built-in 10 mW current shunt. The
transmitters can also easily be scaled in software
for use with external shunts.
Laureate
DC input transmitters duplicate the performance and
programmable features of their Laureate DC
digital panel meter counterparts. Features
include exceptional accuracy at high read rate, and
optional dual solid state relays for local alarm or
control. The transmitters are housed in a DIN rail
case that is only 22.5 mm (0.89") thick. Signal
connections are via detachable screw-clamp plugs.
In
addition to the 4-20 mA output that would typically
be used for signal transmission in an industrial
environment, a 0-10V analog output is selectable.
Either selection provides 12-bit (0.025%) resolution
of output span and is ultra-linear to within one
bit. The output tracks the reading that would be
transmitted digitally. For DC signals, this reading
has a rated accuracy of ±0.01% of full scale input
and can be scaled in software so that its resolution
exceeds output resolution. DC transmitter accuracy
is set by the DAC and is ±0.05% of output span.
Output isolation from
signal and power grounds is provided by a separate
on-board transmitter power supply, thereby
eliminating potential problems caused by ground
loops. The supply can an drive 20 mA into a 500 ohm
(or lower) load for 10V compliance, or 10V into 5K
ohm (or higher) load for 2 mA compliance.
Transmitter
programming is via a three-terminal RS-232 port
using Laurel's PC-based Instrument
Setup Software. This software can be downloaded
from this website at no charge. The required
transmitter-to-PC interface cable is available from
Laurel (P/N CBL03).
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Click
to Order DC Voltage or Current Input
Transmitter
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Specifications
Laureate 4-20 mA Transmitters, DC Voltage or
Current Input |
| Analog
Input |
Range
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Resolution
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Input
Ohms
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DC
Voltage
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200.00 mV
2.0000 V
20.000 V
200.00 V
600.0 V
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10 µV
100 µV
1 mV
10 mV
100 mV
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1 Gohm
1 Gohm
1 Mohm
1 Mohm
1 Mohm
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DC
Current
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2.0000
mA
20.000 mA
200.00 mA
5.000 A
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0.1 µA
1 µA
10 µA
1 mA
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100 ohms
10 ohms
1 ohm
0.01 ohm
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Input
Resolution
Update Rate, Max
Max
applied voltage
Over-current
protection
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16
bits (65,536 steps)
50/sec at 50 Hz, 60/sec at 60 Hz.
600
Vac for 20, 200 & 600 V ranges, 125 Vac other
ranges.
25x for 2 mA, 8x
for 20 mA, 2.5x for 200 mA, 1x for 5 A.
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| Analog
Output |
Output
Levels
Compliance, 4-20 mA
Compliance, 0-10V
Output Resolution
Output Accuracy
Output Isolation |
4-20
mA, 0-20 mA or 0-10 Vdc (selectable)
10V ( 0-500 ohm load )
2 mA ( 5 kOhm load )
12 bits (4,096 steps)
±0.05% of output span
250V rms working, 2.3 kV rms per 1 minute test |
| Transducer
Excitation Output (standard) |
Jumper
Selection 1
Jumper Selection 2
Jumper Selection 3 |
10V
@ 60 mA, isolated to 50V from signal ground
5V @ 50 mA, isolated to 50V from signal ground
15V @ 60 mA, non-isolated |
| Dual
Relay Output (optional) |
Relay
Type
Load rating |
Two
solid state relays, SPST, normally open, Form A
120 mA at 130 Vac or 170 Vdc, 28 ohms series
resistance. |
| Power
Input |
Standard
power
Low power option
Frequency
Power Isolation |
95-240V
AC ±10% or 90-300V DC
12-30V AC or 10-48V DC
DC or 47-63 Hz
250V rms working, 2.3 kV rms per 1 min test. |
| Mechanical |
Case
Dimensions
Case Mounting
Electrical Connections |
120
x 101 x 22.5 mm
35 mm rail per DIN EN 50022
Detachable screw terminal connectors |
| Environmental |
Operating
Temperature
Storage Temperature
Relative Humidity |
0°C
to 70°C
-40°C to 85°C
95% at 40°C, non-condensing |
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FLW,
Inc - 3505
Cadillac Ave - Bldg E - Costa Mesa, CA. - 92626 - USA - Ph (714) 751 -
7512 - Fax (714) 751 - 0213
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