Jäger ADwin-Pro, System And Hardware Description

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Pro II: Analog Input Modules
Pro II-AIn-8/18-L2 Rev. E
ADwin
24
ADwin-Pro Hardware, manual version 2.9, June 2006
5.3.1 Pro II-AIn-8/18-L2 Rev. E
Analog input module Pro II-AIn-8/18-L2 Rev. E with an 18 bit ADC, 8 dif-feren-
tial inputs and a programmable amplifier (PGA). The module can be combined
with amplifiers, Pro-TC and Pro-PT modules.
The inputs are available with shielded LEMO-sockets (2-pole, CAMAC Euro-
pean norm, see
fig. 32 ).
The module Pro II-AIn-8/18-L2 Rev. E has an input voltage range of ±10V and
a software selectable gain of 1, 2, 4 or 8. The adjustment of gain and offset is
done by software (see
chapter 6.3.1 "Calibration per Software" ).
The module includes a sequential control, which can read measurement val-
ues from several or all input channels sequentially.
Fig. 30 – Pro II-AIn-8/18-L2 Rev. E : Block diagram
Input channels 8 differential via multiplexer
Resolution 18 Bit
Conversion time max. 2µs
Sampling rate max. 500ksps
Multiplexer settling time 2.5µs
Measurement range ±10V
Gain 1, 2, 4, 8 software selectable
Accuracy INL ±3 LSB typical
DNL max. ±1 LSB
Input resistance 330k
Ω
, ±2%
Input over-voltage ±35V
Offset error adjustable
Offset drift ±30ppm/ºC
Connector 8 LEMO sockets, 2-pole
Fig. 31 – Pro II-AIn-8/18-L2 Rev. E : Specification
AD
w
in
-P
ro
I
I
bu
s A
D
1
100k
100k
2
100k
100k
8
100k
100k
. . . .
.
Addr.
Data
Data
Registers
Address
Decoder
MUX
InAmp
+
-
. .
. .
.
Sequence
Control
Control