Automation and Drives - SCE
2.1OPERATING THE CPUS 31XC
Operator control and display elements
The following illustration shows the operator control and display elements of a CPU 31xC. The arrangement and number of elements in some CPUs differ from this illustration.
The figures show the following CPU elements:
(1) Status and error displays
(2) Slot for the Micro Memory Card (MMC), incl. the ejector
(3) Connections of the integrated I/O.
(4) Power supply connection
(5) 1st interface X2 (PtP or DP)
(6) 1st interface X1 (MPI)
(7) Mode selector switch
The following illustration shows the digital and analog inputs/outputs integrated on the CPU.
The figure shows the following integrated I/Os:
(1) Analog I/Os
(2) each with 8 digital inputs
(3) each with 8 digital outputs
(4) Front connectors (front doors are open)
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Foreword | Notes | Hardware configuration | STEP 7 program | Testing |
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T I A Training Document |
| Page 7 of 25 |
| Module | |
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| A5 | |
Issue date: 02/2008 |
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| Programming the CPU |