Siemens SIMATIC S7-300 Series Reference Manual page 68

CPUs
Technical Specifications of the Analog Output of the CPU 314IFM
Module-Specific Data
Number of outputs
Cable length
S
Shielded
Voltages, Currents, Potentials
Galvanic isolation
S
Between channels and
backplane bus
Permissible potential
difference
S
between M and
ANA
M (U )
internal ISO
Insulation tested at
Analog Value Generation
Resolution (inc. overdrive
range)
Conversion time
Settling time
S
For resistive load
S
For capacitive load
S
For inductive load
Connection of substitute
values
Interference Suppression, Error Limits
Operational error limits
(throughout temperature
range, relative to output
range)
S
Voltage output
S
Current output
Basic error limit (operational
limit at 25°C, relative to
output range)
S
Voltage output
S
Current output
Temperature error (relative
to output range)
Linearity error (relative to
output range)
Accuracy of reproducibility
(in transient state at 25°C,
relative to output range)
1-52
Output ripple; Range of 0 to
50 kHz (referring to output
1
range)
Status, Interrupts; Diagnostics
max. 100 m (109yd.)
Interrupts
Diagnostic functions
Actuator Selection Data
Yes
Output ranges (rated
values)
S
Voltage
75V DC
S
Current
60V AC
Load impedance
S
For voltage output
500V DC
capacitive load
S
For current output
11 bits + sign bit
inductive load
40 ms
Voltage output
S
Short-circuit protection
S
Short-circuit current
0.6 ms
1.0 ms
Current output
S
0.5 ms
Idle voltage
No
Destruction limit for
externally applied
voltages/currents
S
Voltages at the output
with ref. to M
" 1.0 %
S
Current
" 1.0 %
Connecting actuators
S
for voltage output
2-wire connection
4-wire connection
" 0.8 %
S
for current output
" 0.9 %
2-wire connection
"" 0.01 %/K
" 0.06 %
" 0.05 %
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
" 0.05 %
None
None
"" 10 V
"" 20 mA
min. 2.0 kW
max. 0.1 mF
max. 300 W
max. 0.1 mH
Yes
max. 40 mA
max. 16 V
max. "" 15 V,
continuous;
ANA
"" 15 V for max. 1
s (duty factor 1:20)
max. 30 mA
Possible
Not possible
Possible
A5E00111190-01