Siemens 353 Manuel de l'utilisateur

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Siemens

Energy & Automation

Model 353 Process Automation Controller

INVOLVED MANUALS

User's Manual, Model 353 Process Automation Controller, UM353-1, Rev. 8 and earlier.

DISCUSSION

Direct entry rear connectors will begin shipping in March 2001. Direct entry connectors are described in

this Addendum and all power, ground, station common, and signal terminals are identified.

Consult the nameplate on the case to determine whether direct entry connectors have been installed.

Model 353_2_ _ _ _ _ _ _ _ _ _ Side entry

Model 353_4_ _ _ _ _ _ _ _ _ _ Direct entry connectors with Ethernet connector are installed

Section 6 Installation, in UM353-1, describes the black side

entry connectors and the connections to be made to them. In

the following, the direct entry connectors will be described

and illustrated.

Direct entry connectors are shown in the adjacent figure.

There are four connectors with 52 screw-clamping terminal

connections. Each connector consists of a case mounted

portion and a plug-in portion. The plug-in portion of each

connector is securely fastened to the case mounted portion

by a screw at each end of the plug-in. The plug-in portion

can be completely wired and then plugged into the case

mounted portion.

Terminal functions and numbers have not changed. For

example, Station/Transmitter Common is terminal 6 on the

side entry and direct entry connectors.

A standard 8-wire Ethernet connector is provided near the

bottom of the assembly. A case ground screw is provided

near the top of the assembly, as in the side entry connectors.

The next page contains an illustration that states the

connections to the direct entry connectors.

Side entry and direct entry refer to the entry of wires into terminals installed on a rear connector assembly.

USER'S MANUAL ADDENDUM

Direct Entry

Rear Connectors

connectors are installed

UMA353-1-6

Rev. 1

April 2001