
Analog modules
5.24 Analog input module SM 431; AI 8 x RTD x 16 Bit (6ES7431-7KF10-0AB0)
S7-400 Automation System Module Data
Reference Manual, Edition 09/2009, A5E00850736-06
315
Operational limit (across temperature range, relative to input range)
RTD input
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000
RTD-4L RTD-3L
±1.8° C ± 3.4° C
±0.8° C ± 1.7° C
±0.4° C ± 0.7° C
±0.3° C ± 0.4° C
±1.5° C ± 2.1° C
± 0.2° C ± 0.3° C
Basic error limit (operational error limit at 25° C, relative to input range)
RTD input
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000
RTD-4L RTD-3L
± 0.5° C ± 1.0° C
± 0.3° C ± 0.5° C
±0.3° C ± 0.4° C
± 0.2° C ± 0.2° C
± 0.3° C ± 0.6° C
± 0.2° C ± 0.2° C
Linearity error (relative to input range)
Additional error
RTD input
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000
RTD-4L RTD-3L
± 0.2° C ± 0.3° C
± 0.2° C ± 0.2° C
± 0.1° C ± 0.1° C
± 0.1° C ± 0.1° C
± 0.1° C ± 0.2° C
± 0.1° C ± 0.1° C
Repetition accuracy (in transient state at 25° C, relative
to input range)
Additional error
RTD input
– Pt 100
– Pt 200
– Pt 500
– Pt 1000
– Ni 100
– Ni 1000
RTD-4L RTD-3L
± 0.2° C ± 0.3° C
± 0.2° C ± 0.2° C
± 0.1° C ± 0.1° C
± 0.1° C ± 0.1° C
± 0.1° C ± 0.2° C
± 0.1° C ± 0.1° C
Status, interrupts, diagnostics
Interrupts
Hardware interrupt
Programmable
Hardware interrupt when limit value is exceeded
Programmable
Diagnostic interrupt
Programmable
Diagnostic functions Programmable
Group error display
– For internal fault
– For external fault
– Diagnostic information dump
Red LED (INTF)
Red LED (EXTF)
Supported
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