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