Programmable Controllers Module Specifications Reference Manual

Analog Modules
5-93
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Suppression of interference, Limits of Error
Interference voltage suppression parameterized for
f = nx (f1 "1%), (f1 = interference frequency) n = 1, 2 ,
...
filter 400/60/50 Hz
• Common-mode
interference
(U
CM
< 11 V
ss
)
> 80 db
• Series-mode interference
(peak value of interference
< rated value of input
range)
> 40 dB
Crosstalk between the inputs
> 70 dB
Operational limit (in the entire temperature range, with
reference to the input range)
• Voltage input
– "+ 1 V
– " 10 V
– 1 V to 5 V
" 0.7 %
" 0.9 %
" 0.9 %
• Current input
– " 20 mA
– 4 mA to 20 mA
" 0.8%
" 0.8%
• Resistance test
– 0...600 ; " 1.0%
Basic error (operational limit at 25°C, referred to input
range)
• Voltage input
– " 1 V
– " 10 V
– 1 ... 5 V
" 0.6%
" 0.75%
" 0.75%
• Current input
– " 20 mA
– 4 mA to 20 mA
" 0.7%
" 0.7%
• Resistance test
– 0 to 600 ; " 0.7%
Temperature error (with
reference to the input range)
" 0,03% K
Linearity error (with reference
to the input range)
" 0,05% K
Repeat accuracy (in the steady
state at 25
°C, referred to the
input range)
" 0.2%
Status, Interrupts, Diagnostics
Interrupts None
Diagnostic functions None
Substitute value can be applied No
Data for Selecting a Sensor
Input range (rated values)/Input
resistance
• Voltage " 1 V/10 M
" 10 V/10 M
1 V to 5 V10 M
• Current " 20 mA/50 
4 mA to 20 mA50 
• Resistors 0 to 600 10 M
Maximum input voltage for
voltage input
(destruction limit)
Max. 18 V continuous;
75 V for 1 ms (cycle
factor 1 : 20)
Maximum input current for
current input (destruction limit)
40 mA continuous
Connection of the signal
sensor
• For measuring voltage Possible
• For measuring current
– As two-wire
transmitter
Possible
– As four-wire
transmitter
Possible
• For measuring resistance
– With two-conductor
terminal
– With three-conductor
terminal
Possible; cable
resistance is also
measured
– With four-conductor
terminal
Possible
• Load of the two-wire
transmitter
Max. 750 
Characteristic linearization No