Connecting and Operating the Computing Unit
Release 11/02
3-4
SIMATIC Panel PC 870 Computing Unit, Equipment Manual
Note
When connecting I/O devices, use shielded cables and metallic connectors;
otherwise, the permission for operation is revoked! Use a screw driver to fix the
connectors of the interface cables on the housing of the computer unit. You will
thus improve the electrical shielding.
Note
Additional information on decentralized design is available in Chapter 8.
Connections
Function
COM1/V24/AG
By plugging the adapter plug supplied as accessories (”Gender
Changer”), you will change the connection into a socket connec-
tor.
MPI/DP (RS 485)
Equipotential bonding within the safety extra-low voltage circuit
(SELV).
If expansion modules are plugged in the computer unit, then there are further
interfaces. Please refer to the description of the appropriate module for their
significance.
Summary of Contents for Simatic PC Panel PC 870
Page 4: ...Chapter For your notes ...
Page 12: ...Contents Release 11 02 xii SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 94: ...Fault Diagnosis Release 11 02 6 10 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 130: ...Hardware Information Release 11 02 7 36 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Page 154: ...Index Release 11 02 Index 4 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...