Siemens S7-400 ユーザーズマニュアル
Analog Modules
5-140
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Measuring Ranges
You set the measuring ranges by means of the “Measuring Range” parameter in
STEP 7.
STEP 7.
Table 5-77 Measuring Ranges of the SM 431; AI 8 x 16 Bit
Method Selected
Measuring Range
Description
U: Voltage
"
25 mV
"
50 mV
"
80 mV
"
100 mV
"
250 mV
"
500 mV
"
1 V
"
2.5 V
"
5 V
"
10 V
1 to 5 V
You will find the digitized analog
values in Section 5.3.1 in the
voltage measuring range
values in Section 5.3.1 in the
voltage measuring range
4DMU: Current (four-wire
transmitter)
transmitter)
"
3.2 mA
"
5 mA
"
10 mA
"
20 mA
0 to 20 mA
4 to 20 mA
You will find the digitized analog
values in Section 5.3.1 in the
current measuring range
values in Section 5.3.1 in the
current measuring range
TC-L: Thermocouple (linear)
(temperature measurement)
(temperature measurement)
Type B
Type N
Type E
Type R
Type S
Type J
Type L
Type T
Type K
Type U
You will find the digitized analog
values in Section 5.3.1 in the
temperature range
values in Section 5.3.1 in the
temperature range
Default Settings
The default settings of the module in STEP 7 are “Thermocouple (linear)” for the
measuring method and “Type J” for the measuring range. You can use this
combination of measuring method and measuring range without parameterizing the
SM 431; AI 8
measuring method and “Type J” for the measuring range. You can use this
combination of measuring method and measuring range without parameterizing the
SM 431; AI 8
16 Bit in STEP 7.