20-101-1256 Rabbit Semiconductor, 20-101-1256 Datasheet - Page 30
20-101-1256
Manufacturer Part Number
20-101-1256
Description
COMPUTER SINGLE-BOARD BL4S110
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-101-1258.pdf
(144 pages)
Specifications of 20-101-1256
Module/board Type
Single Board Computer Module
Product
Modules
Processor Type
Rabbit 4000
Sram
512 KB
Flash
1 MB
Timers
8 bit, 10 bit
Number Of I/os
20
Backup Battery
3 V Lithium Coin Type
Operating Voltage
9 V to 36 V
Board Size
96 mm x 146 mm x 16 mm
Description/function
Computer Module
For Use With/related Products
BL4S110
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
316-1169
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In the differential mode, each individual channel is limited to half the total voltage—for
example, the range for a gain code of 1 is ±20 V, but each channel is limited to 0–20 V.
Note that while the differential bipolar mode can return a negative value, this negative
value can only indicate negative with respect to the two differential voltages since the A/D
converter cannot handle a voltage below -0.2 V.
The A/D converter inputs are factory-calibrated, and the calibration constants are stored in
the user block.
BL4S100 User’s Manual
When using channels AIN0–AIN3 for current
measurements, remember to set the corre-
sponding jumper(s) on headers J10 and J11.
The current measurements are realized by actu-
ally measuring the voltage drop across a 100
resistor.
Table 6. A/D Converter Input Voltage Ranges
* 4–20 mA operation is available with an ampli-
Amplifier
fier gain of 8
Gain
10
16
20
8
1
2
4
5
*
Single-Ended
Unipolar
0–1.25 V
0–2.5 V
0–20 V
0–10 V
0–5 V
0–4 V
0–2 V
0–1 V
Voltage Range
Figure 12. Analog Current Measurements
Differential
± 1.25 V
Bipolar
± 2.5 V
± 20 V
± 10 V
± 5 V
± 4 V
± 2 V
± 1 V
W
28
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