GMI D5062S Isolators
I.S. SIL2 Vibration Transducer Interface
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Description
The Vibration Transducer Interface D5062S is a high integrity analog input interface suitable for applications requiring SIL 2 level in safety related systems for high risk industries. It provides a fully floating dc supply for energizing vibration transducers, accelerometers or 2-3 wires sensors located in Hazardous Area, and repeats the sensor input voltage in a totally isolated circuit located in Safe Area to drive vibration monitors or analyzers for rotating machinery control and supervision purposes.
FEATURES
- SIL 2 / SC 3
- Input from Zone 0/Div. 1
- Installation in Zone 2/Div. 2
- 0 to –20 V Input/Output Signal
- Wide band signal transfer
- Input and Output short circuit proof
- In-field programmability by DIP Switch
- High Accuracy
- Three port isolation, Input/Output/Supply
Teknisk data
Supply |
|
| Voltage | 24 Vdc nom (18 to 30 Vdc), reverse polarity protected. |
| Current Consumption | 90 mA @ 24 Vdc with 20 mA transducer consumption and 2 mA output load, typical. |
| Power Dissipation | 2.0 W @ 24 Vdc with 20 mA transducer consumption and 2 mA output load, typical. |
Input |
|
| Type | 0 V to -20 V (10 kΩ impedance at terminals 7-8 or 8-9). |
| 3 wires sensor supply voltage | more than -22 V @ 0 mA supply, more than -17 V @ 15 mA supply (current limited @ ≈ 23 mA). |
| 2 wires sensor supply voltage | more than -17 V with constant current supply. |
| 2 wires sensor supply current | selectable @ 4 mA, 6 mA or 10 mA via internal DIP–Switch. |
Output |
|
| Type | 0 to -20 V on 10 kΩ load, with 10 Ω output resistance. |
| Response time | ≤ 10 µs (10 to 90 % step change). |
| Frequency response | DC to 20 kHz within 1 dB maximum. |
Performance |
|
| Ref. Conditions | 24 V supply, 10 kΩ load, 23 ± 1 °C ambient temperature |
| Calibration accuracy | ≤ ± 0.1 % FSR |
| Linearity accuracy | ≤ ± 0.05 % FSR |
| Temp. influence | ≤ ± 0.005 % on zero/span for a 1 °C change. |
Isolation |
|
| Test Voltage | I.S. In/Out 1.5 kV; I.S. In/Supply 1.5 kV; Out/Supply 500 V |
Environmental conditions |
|
| Operating temperature | temperature limits –40 to +70 °C |
| Storage temperature | temperature limits –45 to +80 °C |
Safety description |
|
| Equipment | Associated apparatus and non-sparking electrical equipment |
| Safety parameters | Uo = 27 V, Io = 90 mA, Po = 576 mW at terminals 7-8-9-10. Ui = 30 V, Ci = 0 nF, Li = 0 nH at terminals 7-8-9. Um = 250 Vrms or Vdc, -40 °C ≤ Ta ≤ 70 °C. |
Mounting |
|
| Type | DIN-Rail 35 mm, with or without Power Bus or on custom Term. Board. |
| Weight | about 125 g. |
| Connection | by polarized plug-in disconnect screw terminal blocks to accomodate terminations up to 2.5 mm² (13 AWG). |
| Dimensions | Width 12.5 mm, Depth 123 mm, Height 120 mm. |