Siemens Simatic S7-300 - Page 315

Analog modules
6.9 Analog input module SM 331; AI 8 x RTD; (6ES7331-7PF01-0AB0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
6-81
Parameters Range of values Default Parameter
type
Scope
Measurement
• Measuring method
disabled
R-4L resistance
(4-wire connection)
R-3L resistance
(3-wire connection)
RTD-4L thermoelectric resistance
(linear, 4-wire connection)
RTD-3L thermoelectric resistance
(linear, 3-wire connection)
RTD-4L
• Measuring range
Siehe Tabelle
Messarten und
Messbereiche
Pt 100 Klima
0.003850
(IPTS-68)
Dynamic
Channel
group
• Temperature unit
Degrees Centigrade; degrees
Fahrenheit
Degrees
Centigrade
Dynamic Module
• Mode of operation
8 Kanal-Modus (Hardwarefilter)
8 Kanal-Modus (Softwarefilter)
4 Kanal-Modus (Hardwarefilter)
8 Kanal-Modus
HW-Filter
Dynamic Module
• Temperature coefficient for
temperature measurement with
thermoelectric resistance
(RTD)
Platinum (Pt)
0,003850 Ω/Ω/ °C (IPTS-68)
0.003916 Ω/Ω/ °C
0.003902 Ω/Ω/ °C
0.003920 Ω/Ω/ °C
0.003850 Ω/Ω/ °C (ITS-90)
0,003910 Ω/Ω/ °C
Nickel (Ni)
0,006170 Ω/Ω/ °C
0.006180 Ω/Ω/ °C
0.006720 Ω/Ω/ °C
0,005000 Ω/Ω/ °C (LG Ni 1000)
Copper (Cu)
0,004260 Ω/Ω/ °C
0,004270 Ω/Ω/ °C
0,004280 Ω/Ω/ °C
0,003850
Dynamic Channel
group
• Noise suppression*
50/60/400 Hz; 400 Hz; 60 Hz; 50 Hz 50/60/400 Hz Dynamic Channel
group
• Smoothing
None
Low
Average
High
None Dynamic Channel
group
* 50/60/400 Hz only programmable for 8-channel mode (hardware filter) and 4-channel mode (hardware filter);
50 Hz, 60 Hz or 400 Hz only programmable for 8-channel mode (software filter)
See also
Programming analog modules (Page 5-31)
Diagnostic messages of analog input modules (Page 5-33)