Omron CS1W-DRM21, Operation Manual

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Analog I/O Terminals Section 4-8
Example: When –300 is converted, the sign bit (bit 15) is set to 1 and 300 is
output as the binary value as 12C hexadecimal. The contents of the word is
thus 812C, as shown in the following illustration.
DRT1-AD04H
If the converted data is a negative number, it is expressed as a two’s comple-
ment. The NEG command can be useful to obtain the absolute value from the
two’s complement.
Conversion Time
DRT1-AD04
AD conversion values are refreshed every 2 ms for each input point.
DRT1-AD04H
AD conversion values are refreshed every 250 ms. It may take up to 650 ms,
however, from when the step response is input until AD conversion data of
90% of that value can be transmitted.
1 0 0 0 0 0 0 1 0 0 1 0 1 1 0 0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
8 1 2
C
(16
3
)
(16
2
) (16
1
)
(16
0
)
Bit
First word
First word + 1
First word + 2
First word + 3
Input 0 converted data
Input 1 converted data
Input 2 converted data
Input 3 converted data
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