Siemens Simatic M7-400

Interface Submodules
13-55
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Interference Suppression, Error Limits for
Inputs
Interference voltage
suppression for
f = n (50/60 Hz " 1 %)
n = 1, 2, ...
• Common-mode
interference (V
pp
< 1 V)
• Normal-mode
interference
(Peak value of
interference < nominal
value of the input range)
Cross-talk attenuation
between the inputs
> 60 dB
0 dB
> 60 dB
Operating error limits
(in the entire temperature
range, related to the input
range)
• Voltage input
• Current input
Basic error limits (operating
error limits at 25°(C, related
to input range)
• Voltage input
• Current input
"0.8 %
"0.8 %
"0.7 %
"0.7 %
Linearity error (related to
input range)
" 0.05 %
Repetition accuracy (in
settled state at 25° C,
related to the input range)
" 0.2 %
Data for Selecting a Sensor
Input ranges (nominal
ranges)/input resistance
± 10 V/100 k 
± 20 mA/50 
Permissible input voltage
for voltage input
(destruction limit)
± 18 V
Permissible input current
for current input (destruc-
tion limit)
±(40 mA
Connection of signal
sensors
• For voltage
measurement
• For current
measurement
Possible
As two-wire-transducer
As four-wire-transducer
• For resistance
measurement
Possible
Possible
Possible
1)
1) When supplied via analog outputs with a
constant current
Analog Value Generation for the Outputs
Resolution (incl. overrange) 12 bits, bipolar, twos
complement
Cycle time (all channels) Per software
Interference Suppression, Error Limits for
Outputs
Cross-talk attenuation
between the outputs
> 60 dB
Operating error limits (over
the entire temperature
range related to the output
range)
• Voltage output
• Current output
"1.0 %
"1.0 %
Basic error limit (operating
error limits at 25 C, related
to output range)
• Voltage output
• Current output
"0.8 %
"0.8 %
Output ripple (related to “full
scale” of the output range;
bandwidth 50 kHz)
" 0.1 %
Data for Selecting an Actuator
Output ranges (nominal
values)
± 10 V
± 20 mA
Load impedance
• At voltage output
• At current output
• With capacitive load
min. 2 kW
max. 500 W
max. 1.6 mF
Voltage output
• Short-circuit protection
• Short-circuit current
Yes
max. 40 mA
Current output
• Idle voltage max. 13.1 V
Connection of actuators
• For voltage output
Three-wire connection
Four-wire connection
(measuring line)
• For current output
Two-wire connection
Possible
Not possible
Possible
Status, Interrupts, Diagnostics
Interrupts
• End-of-cycle interrupt
• Diagnostic interrupt
Yes, can be set
Yes, can be set