Shunt / mV Isolation Amplifier DS 75000

Isolation and Conversion of Bipolar and Unipolar mV-Signals

The Isolation Amplifier DS 75000 is used for separation and conversion of bipolar and unipolar mV-signals such as those frequently used for current measuring with shunt resistors or other applications with low sensor voltages.

  • Calibrated signal setting via DIP switch
    Input and output range can be set by using DIP switch – high precision without any further adjustment
  • High bandwidth; short response time
    No signal distortion; no falsification of measured signal
  • Switchable Zero/Span compensation
    For readjustment of the shunt/mV signal or measuring section
  • 3-Port isolation
    Protection against erroneous measurements due to parasitic voltages or ground loops
  • Extremely slim design
    6.2 mm slim housing for a simple and space saving DIN rail mounting
  • Optional In-Rail-Bus mounting rail connector
    allows for fast and economical installation
  • Protective Separation acc. to EN 61140
    Protects service personnel and downstream devices against impermissibly high voltage
  • 5 Years Warranty
    Defects occurring within 5 years from delivery date shall be remedied free of charge at our plant (carriage and insurance paid by sender)

The Isolation Amplifier DS 75000 is used for separation and conversion of bipolar and unipolar mV-signals such as those frequently used for current measuring with shunt resistors or other applications with low sensor voltages.

The input and output range of DS 75000 can be easily set by using DIP switch. Due to the calibrated range selection no further adjustment is necessary.

A switchable compensation of the measuring range can be performed at the Zero/Span potentiometers on the front panel. Also the cut-off frequency can be adapted to the measurement task by using the DIP Switch.

The auxiliary power can be supplied via the connection terminals or via the optional In-Rail-Bus connector. A green LED on the front of the unit has been provided to monitor the power supply.

Technical Data

Input

Input signal
(switch selectable)
± 60 mV, ± 100 mV, ± 150 mV, ± 250 mV, ± 300 mV, ± 500 mV
0 to 60 mV, 0 to 100 mV, 0 to 150 mV, 0 to 250 mV, 0 to 300 mV, 0 to 500 mV
Input resistance ≥ 100 kOhm
Overload ≤ 30 V

Output

  Current Voltage
Output signal
(switch selectable)
± 20 mA, 0 to 20 mA, 4 to 20 mA
± 10 mA, 0 to 10 mA, 2 to 10 mA
± 10 V, 0 to 10 V, 2 to 10 V
± 5 V, 0 to 5 V, 1 to 5 V
Load ≤ 12 V (600 Ohm at 20 mA) ≤ 5 mA (2 kOhm at 10 V)
Linear transmission range unipolar: –1 to +110 %, bipolar: –110 to +110 %
Residual ripple < 10 mVrms

General Data

Transmission error < 0.1 % full scale
Temperature coefficient 1) < 100 ppm/K
Zero/Span compensation ± 5 % of measuring range
Cut-off frequency -3 dB 8 kHz, switchable to 100 Hz
Response time T99 100 µs,    7 ms
Test voltage 3 kV AC, 50 Hz, 1 min., Input against output against power supply
Working voltage 2)
(Basic Insulation)
600 V AC/DC for overvoltage category II and pollution degree 2 acc. to EN 61010-1
Protection against electrical shock 2) Protective separation according to EN 61140 by reinforced insulation in accordance with EN 61010-1 up to 300 V AC/DC for overvoltage category II and pollution degree 2 between all circuits.
Ambient temperature Operation
Transport and storage
–25 °C to +70 °C   (-13 to +158 °F)
–40 °C to +85 °C   (-40 to +185 °F)
Power supply 24 V DC       9.6 V to 31.2 V, approx. 0.8 W
EMC 3) EN 61326-1
Approvals UL (USA/Canada): UL 61010, Class I, Div. 2
ATEX / IECEx: Zone 2 (nA)
Construction 6.2 mm (0.244") housing, protection class: IP 20
mounting on 35 mm DIN rail acc. to EN 60715
Weight Approx. 70 g
  1. Average TC related to full scale value in specified operating temperature range, reference temperature 23 °C
  2. For applications with high working voltages, ensure there is sufficient spacing or isolation from neighboring devices and protection against electric shocks.
  3. Minor deviations possible during interference

Block diagram

Ds75000

Dimensions

Masszeichnung-mitBusZeroSpan

Connection
Captive plus-minus clamp screws
Wire cross-section max. 2.5 mm² / AWG 14
Stripped length 6 to 8 mm / 0.28 in
Screw terminal torque 0.8 Nm / 7 lbf in
Optional power connection via In-Rail-Bus (see accessories)

Terminal assignments

1 + Input
2 - Input
3   n.c.
4   n.c.
     
5 + Output
6 - Output
     
7 + Power supply (connected to In-Rail-Bus)
8 - Power supply (connected to In-Rail-Bus)

Downloads

Product line

Devices Order No.
Shunt / mV Isolation Amplifier, calibrated range selection DS 75000 S
Shunt / mV Isolation Amplifier, calibrated range selection, In-Rail-Bus for power supply DS 75000 B
Subject to change!
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