Controls And Indicators Of The Cpus; Operation And Display Elements Of The Cpu 414-4H/417-4H; Layout Of The Controls And Indicators Of The Cpu 414-4H/417-4H - Siemens SIMATIC S7-400H Manual

Installation of a CPU 41x-H
4.1

Controls and Indicators of the CPUs

Operation and Display Elements of the CPU 414-4H/417-4H

Module designation, version, abbre-
viated order number and firmware
version
INTF, EXTF, BUS1F,
BUS2F, FRCE, RUN, STOP
LEDs
Slot for the memory card
Mode selector
Under cover
MPI/PROFIBUS DP interface
PROFIBUS DP interface
Incoming supply of external backup
voltage
Under the metal lid
on the left-hand side
Interface for memory ex-
pansion*
Figure 4-1
LEDs
Table 4-1 gives you an overview of the LEDs on the individual CPUs.
Section 4.2 describes the statuses and errors indicated by these LEDs.
4-2

Layout of the controls and indicators of the CPU 414-4H/417-4H

V3.0.0
REDF, IFM1F, IFM2F,
BUS1F
MSTR, RACK0, RACK1
BUS2F
IFM1F
LEDs
IFM2F
RACK0
RACK1
Under cover
Memory card slot for
synchronization submodule 1
Memory card slot for
synchronization submodule 2
* Only in CPU 417-4H
Automation System S7-400H Fault-tolerant Systems
A5E00068197-07