DSI-LVDT
TECHNICAL REFERENCE MANUAL
3. Technical data
3.1. Electrical specifications
DSI - LVDT adapter is powered by EXC voltage. LVDT adapter is compatible with SIRIUS(i) (variable EXC)
or DEWE 43A type instrument (fixed +/-5V EXC).
General specifications
Parameter
Description
Power supply Exc. Voltage
10 V – 15 V, from EXC+ to EXC- outputs
Power supply Exc. Current
44 mA, from EXC+ to EXC- outputs
1
Output voltage
1.00 V = 500 mV/V
2
Output bandwidth
1 kHz
Gain error
1% of Full Scale
Output TCR
55 ppm/K of Full Scale
Sensor VTR = S x d, Sensitivity
2000 mV/V maximum
Sensor supported type
Differential LVDR or RVDT, Inductive Half-Bridge LVDT
Sensor Exc. voltage
2.88 Vrms (differential)
3
Sensor Exc. frequency
Selectable 4.02 kHz / 9.60 kHz typical; 2.5% error
Phase compensation
-50 °C to +85 °C at 4 kHz; -75 °C to +70 °C at 10 kHz
TEDS
1024-Bit, 1-Wire EEPROM
4
Electrical specifications
4
Only one device per TEDS line is supported. Can be set to internal (adapter) or external (sensor).
3
Sinusoidal, 50dB THD typical, not possible to sync from adapter to adapter.
2
For sensor VTR (Voltage Transfer Ratio) = 1000mV/V.
1
Absolute maximum rating, specified for SIRIUSi.
DSI-LVDT V20-1
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