
Meas. range
(funct. no.)
Current
(I)
Decimal
(D)
Hex
Range
Formulas
0 ... 20mA
Siemens
S7 format
(31h)
23.52mA
32511
7EFFh
overrange
20mA
27648
6C00h
nominal range
10mA
13824
3600h
0mA
0
0000h
-3.52mA
-4864
ED00h
underrange
0 ... 20mA
Siemens
S5 format
(41h)
25.00mA
20480
5000h
overrange
20mA
16384
4000h
nominal range
10mA
8192
2000h
0mA
0
0000h
-4,00mA
-3277
F333h
underrange
4 ... 20mA
Siemens
S7 format
(30h)
22.81mA
32511
7EFFh
overrange
20mA
27648
6C00h
nominal range
12mA
13824
3600h
4mA
0
0000h
1.19mA
-4864
ED00h
underrange
4 ... 20mA
Siemens
S5 format
(40h)
24.00mA
20480
5000h
overrange
20mA
16384
4000h
nominal range
12mA
8192
2000h
4mA
0
0000h
0.8mA
-3277
F333h
underrange
For each channel an
upper
and a
lower limit
may be defined. Here only values of the
nominal range may be preset, otherwise you receive a parameterization error. By preset-
ting 7FFFh for the upper respectively 8000h for the lower limit value the corresponding
limit is deactivated. As soon as the measuring value is beyond the limits and the limit
value monitoring is activated, a process interrupt is initialized.
3.22.3
Diagnostics and interrupt
Event
Process
interrupt
Diagnostics
interrupt
parameterizable
Error in project
engineering/parameterization
-
X
-
Measuring range overflow
-
X
-
Measuring range underflow
-
X
-
Limit overflow
X
-
X
0(4) ... 20mA
CHxUL CHxLL Upper limit
value Lower limit value
channel x
VIPA System SLIO
Analog Input
031-1CD40 - AI 4x16Bit 0(4)...20mA > Diagnostics and interrupt
HB300 | SM-AIO | | en | 17-05
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