HBM GEN3i, Руководство пользователя, Страница: 404 / 1160

Basic Sensor Mode
Supported sensors
Strain gauge bridge sensors using voltage or current excitation Force, Pressure, MEMS
-
type Accelerometers and Potentiometric Displacement transducers, PT100 and PT1000
Sensor excitation modes User selectable Off, constant voltage or constant current
Constant voltage excitation
Selectable excitation voltage
Bipolar
±
1.0 V to
±
7.5 V DC, selectable in 0.02 V steps, maximum 85 mA
Excitation voltage accuracy 0.5% of Full Scale
Constant current excitation
Excitation current 2.0 mA to 40.0 mA, selectable in 0.05 mA steps, using
±
7.5 V DC
Excitation current accuracy 0.5% of Full Scale
Input Connector
Pin 1 : Excitation (+)
Pin 2 : Excitation (-)
Pin 4 : Sense (-)
Pin 3 : Sense (+)
Pin 7 : Driven guard
Pin 5 : Signal (+)
Pin 6 : Signal (-)
Pin 8 : Signal ground
Pin 9 : User - 1/4 bridge
Pin 10 : 350Ω - 1/4 bridge
Pin 11 : Remote CAL (+)
Pin 12 : Remote CAL (-)
Pin 13 : External shunt common
Pin 14 : External shunt
Pin 15 : Remote CAL common
Pin 16 : Signal ground
1
2
3
4
6
5 7
8
9
11
10
12
16
15
14
13
Figure A.25: Input connector, solder cup view of male connector
Bridge Completion Card
¼ Bridge
Shunt
½ Bridge
Figure A.26: Shunt calibration completion plug
-
in module
Suggested resistors
Vishay S102C: 1 Ω to 150 kΩ
±
0.005%,
±
2 ppm/
o
C, 0.6 W @ 75
o
C (167
o
F)
Vishay S102K: 1 Ω to 100 kΩ
±
0.005%,
±
1 ppm/
o
C, 0.4 W @ 75
o
C (167
o
F)
Suggested mounting Two resistors on top of each other
Figure A.27: Mounted completion resistors
GEN3i
404 I3763-3.1 en HBM: public