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2 installation and startup – Siemens S5-135U/155U User Manual

Page 143

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5-3

System Manual
C79000-G8576-C199-06

5.1.2

Installation and Startup

There are four system interrupts for interrupt-driven program processing with
the CPU 948:

S

INTA/B/C/D (depending on the CPU slot, see also Section 4.1.1)

S

INTE

S

INTF

S

INTG.

The interrupts you wish to use must be enabled by inserting the jumper plugs
provided. The jumper socket is situated on the basic board above the
receptacle for the memory card. The exact location is given in Figure 5-1:

Figure 5-1

Location of Jumper Socket

If you want to operate an IM308C in the IM3/IM4 area and additional digital
or analog modules in the central controller, you must insert the jumper shown
in Figure 5-1.

Jumper Settings

CPUs, Memory Cards, Memory Submodules, Interface Submodules