Control And Displays Elements; Control And Display Elements Of The Cpus; The Differences In Control And Display Elements Between Cpus - Siemens SIMATIC S7-300 Series Reference Manual
Cpu specifications
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CPUs
1.1
Control and Display Elements
Figure 1-1 shows you the control and display elements of a CPU.
The order of the elements in some CPUs might differ from the order shown in the
figure below. The individual CPUs do not always have all the elements shown here.
Table 1-1 shows you the differences.
Status and
fault LEDs
Status and
fault displays for
DP interface
Mode selector
Compartment for backup
battery or rechargeable
battery
Connection for power supply
and system ground
Figure 1-1
Control and Display Elements of the CPUs
Differences Between CPUs
Table 1-1
The Differences in Control and Display Elements Between CPUs
Element
312 IFM
LEDs for DP
interface
Backup
No
battery/accumulator
Connection for
No; via
power supply
the front
connector
Memory card
No
PROFIBUS-DP
interface
1-2
M
L
+ M
313
314
314 IFM
-5AE0x
-5AE10
-
No
No
accumu-
lator
Yes
No
No
PLC S7-300, CPU Specifications CPU 312 IFM to CPU 318-2 DP
Slot for memory
card
Multipoint Interface
(MPI)
PROFIBUS-DP
interface
315
315-2
316-2
DP
DP
-
Yes
Yes
Yes
Yes
Yes
Yes
A5E00111190-01
318-2
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