Spectrum-controls 1771sc-IFE32 Manual de usuario Pagina 29

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Chapter 4: Configuring Your Module 19
ranges.
Valid acquisition types/ranges are listed below:
Single Ended Ranges: Limits: Differential Ranges: Limits:
0* -10 to +10 V 8 -10 to +10 V
1 0 to +10 V 9 0 to +10 V
2 0 to +5 V 10 0 to +5 V
3 +1 to +5 V 11 +1 to +5 V
4 -5 to +5 V 12 -5 to +5 V
5 0 to +20 ma 13 NA
6 +4 to +20 ma 14 NA
7 -20 to +20 ma 15 **Disabled
*Default
**Disabled If this is the selected value, acquisition of this channel is disabled.
This can be used to improve throughput in modules where some channels are not
used.
NA Not allowed.
The table below shows the incremented voltage or current assigned to each bit for
the seven different input ranges. For example, if the channel 1 input range is 0 to +5V
and the actual incoming signal is at mid-range (+2.5V) the value in the modules data
word would be 0000 1000 0000 0000 (binary) or 2048 (decimal). The input is 2048/4096,
or 1/2 of full scale. It is recommended that you use 16 bit signed integer data format
to realize best module performance.
Input Signal: 16 Bit Signed: Raw Form Signed: 16 Bit Unsigned: Raw Form Unsigned:
-10 to +10 V -32,768
10
to 32,767
10
8001
16
to 7FFF
16
0
10
to 65,535
10
0000
16
to FFFF
16
0 to +10 V 0
10
to 32,767
10
0000
16
to 7FFF
16
0
10
to 65,535
10
0000
16
to FFFF
16
0 to +5 V 0
10
to 32,767
10
0000
16
to 7FFF
16
0
10
to 65,535
10
0000
16
to FFFF
16
+1 to +5 V 0
10
to 32,767
10
0000
16
to 7FFF
16
0
10
to 65,535
10
0000
16
to FFFF
16
-5 to +5 V -32,768
10
to 32,767
10
8001
16
to 7FFF
16
0
10
to 65,535
10
0000
16
to FFFF
16
0 to +20 ma 0
10
to 32,767
10
0000
16
to 7FFF
16
0
10
to 65,535
10
0000
16
to FFFF
16
+4 to +20 ma 0
10
to 32,767
10
0000
16
to 7FFF
16
0
10
to 65,535
10
0000
16
to FFFF
16
-20 to +20 ma -32,768
10
to 32,767
10
8001
16
to 7FFF
16
0
10
to 65,535
10
0000
16
to FFFF
16
Input Signal: 12 Bit Signed: *Raw Form Signed: 12 Bit Unsigned: Raw Form Unsigned:
-10 to +10 V -4095
10
to +4095
10
1 0FFF
16
to 0 0FFF
16
0 to 4095
10
0000
16
to 0FFF
16
0 to +10 V 0 to 4095
10
0 0000
16
to 0 0FFF
16
0 to 4095
10
0000
16
to 0FFF
16
0 to +5 V 0 to 4095
10
0 0000
16
to 0 0FFF
16
0 to 4095
10
0000
16
to 0FFF
16
+1 to +5 V 0 to 4095
10
0 0000
16
to 0 0FFF
16
0 to 4095
10
0000
16
to 0FFF
16
-5 to +5 V -4095
10
to +4095
10
1 0FFF
16
to 0 0FFF
16
0 to 4095
10
0000
16
to 0FFF
16
0 to +20 ma 0 to 4095
10
0 0000
16
to 0 0FFF
16
0 to 4095
10
0000
16
to 0FFF
16
+4 to +20 ma 0 to 4095
10
0 0000
16
to 0 0FFF
16
0 to 4095
10
0000
16
to 0FFF
16
-20 to +20 ma -4095
10
to +4095
10
1 0FFF
16
to 0 0FFF
16
0 to 4095
10
0000
16
to 0FFF
16
Input Signal: BCD Signed: *Raw Form Signed: BCD Unsigned: Raw Form Unsigned:
-10 to +10 V -4095
BCD
to +4095
BCD
1 4095
16
to 0 4095
16
0 to 4095
BCD
0000
16
to 4095
16
0 to +10 V 0 to 4095
BCD
0 0000
16
to 0 4095
16
0 to 4095
BCD
0000
16
to 4095
16
0 to +5 V 0 to 4095
BCD
0 0000
16
to 0 4095
16
0 to 4095
BCD
0000
16
to 4095
16
+1 to +5 V 0 to 4095
BCD
0 0000
16
to 0 4095
16
0 to 4095
BCD
0000
16
to 4095
16
-5 to +5 V -4095
BCD
to +4095
BCD
1 4095
16
to 0 4095
16
0 to 4095
BCD
0000
16
to 4095
16
0 to +20 ma 0 to 4095
BCD
0 0000
16
to 0 4095
16
0 to 4095
BCD
0000
16
to 4095
16
+4 to +20 ma 0 to 4095
BCD
0 0000
16
to 0 4095
16
0 to 4095
BCD
0000
16
to 4095
16
-20 to +20 ma -4095
BCD
to +4095
BCD
1 4095
16
to 0 4095
16
0 to 4095
BCD
0000
16
to 4095
16
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