CPUs, Memory Cards, Memory Submodules, Interface Submodules

5.1.2Installation and Startup

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

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

SINTE

SINTF

SINTG.

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.

System Manual

5-3

C79000-G8576-C199-06

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Siemens S5-135U/155U appendix Installation and Startup, Inte Intf Intg