AEG SB4 series User Manual download pdf (Page 54)

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101

Configuration

3.1.2.2 Structure of the I/O Peripherals with Rear Connection

The I/O modules with rear connection must be connected with the PEAB, the interfaces

of which are guided out on the rear of the primary subrack. This is possible if the pri-

mary subrack is a DTA 024, DTA 27.1 or DTA 028. An expansion via PEAB (central ex-

pansion) consists of:

DTA 025 secondary subrack with DNP 025 or DNP 026 power supply, DUV 025 con-

necting printed board, PEAB network DKV 022, PEAB monitoring DKU 022 (optional,

cf. 3.5) and max. 16 I/O modules with rear connection (see Figure 15). DNP, DUV

and DKV are generally not required with the second subrack of a pair.

DNP025 or DNP026

I/O slots for max. 16 I/O modules

DKV 022

unequipped

DUV 025

Figure 15 Equipping the DTA 025 Secondary Subrack

The PEAB expansion and the connection of the subracks are carried out in pairs and

shown in Figure 16 and Figure 17. The following is to be noted here:

DNP, DKU and DKV are fixed to their slots. The I/O modules can be inserted on the

I/O slots in any combination.

The controller must be equipped with a DKV 023 with more than one DTA025.

Power supplies are necessary in the secondary subracks if the summated current of

the used modules is larger than the power made available by the preceeding power

supply. Each of the 1st subracks of a pair is equipped with a power supply in the fol-

lowing two figures.

Each first DTA 025 of a secondary pair must be equipped with a DUV 025 con-

nected printed board and a DKV 022. A maximum of 4 secondary pairs are per-

mitted.

Each subrack which has a DKV 022 and/or a power supply must be equipped with a

DUV 025.

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AEG SB4 series User Manual Page 54

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