Siemens Simatic M7-400 Reference Manual page 309

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