Siemens EF 837 Series Spécifications télécharger pdf (Page 20)

Mounting and Removing S800 I/O Units Section 2 Installation

20 3BSE056248

When disconnecting units from each other, use a screw driver according to Figure 7

Mounting and Removing S800 I/O Units

The S800 I/O is mounted on a standard DIN-rail according to EN 50022 NS35/7,5.

The DIN-rail is mounted in a cabinet or on an enclosure wall to a metal sheet with

fastening screws every 100 mm to ensure a good chassis ground connection in the

cabinet or an open rack. The ModuleBus master, ModuleBus Modem, MTUs and

S800L I/O modules are mounted to the DIN rail. In environments with major

vibrations, the MTUs shall also be screwed on the metal sheet. The FCI, ModuleBus

Modem and MTUs have a snap locking device that attaches it to the mounting rail.

It is possible to mount the FCI, ModuleBus Modem, MTUs and S800L I/O modules

both vertically and horizontally.

Figure 7. Separating the Base Plates

Rx/Tx

RTS

Rx1

Tx1

Rx2

Tx2

CI853

COM1 COM2

INIT

PM860

CN1

CN2

COM3

COM4

CI851

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Siemens EF 837 Series Spécifications Page 20