Operating
Measurement value representation of analog modules
196
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4…20 mA Diagnostics decimal hexadecimal
(two's complement)
Current value I
M
= (dec. value × 5.787 × 10
-4
) + 4 mA
> 22.815 mA "Upper limit value exceeded” ON > 32512 > 7F00
< 22.565 mA "Upper limit value exceeded" OFF > 32080 < 7D50
22.962 mA Nominal range 32767 7FFF
22.565 mA 32512 7F00
20 mA 27647 6BFF
13.481 mA 16384 4000
4.000 mA 0 0000
> 1.303 mA "Lower limit value underrun" and
"Wire break" OFF
> -4660 > EDCC
< 1.185 mA "Lower limit value underrun" and
"Wire break" ON
> -4864 < ED00
0 mA -6912 E500
-20…20 mA Diagnostics decimal hexadecimal
(two's complement)
Current value I
M
= (dec. value × 7.2338 × 10
-4
) mA
> 23.5195 mA "Upper limit value exceeded” ON > 32513 > 7F01
< 23.206 mA "Upper limit value exceeded" OFF > 32080 < 7D50
23.703 mA Nominal range 32767 7FFF
23.519 mA 32512 7F00
20 mA 27647 6BFF
11.852 mA 16384 4000
0 mA 0 0000
-3.517 mA -4865 ECFF
-5.000 mA -6912 E500
-11.852 mA -16384 C000
-20.00 mA -27647 9401
-23.519 mA -32512 8100
-23.703 mA -32768 8000
> -23.206 mA "Lower limit value underrun" and
"Wire break" OFF
> -32080 > 82B0
< -23.519 mA "Lower limit value underrun" and
"Wire break" ON
> -32513 < 80FF