AEG SB4 series User Manual Page 21

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21
General
9
Connecting the I/O Peripherals via PEAB
The I/O modules with rear connection are connected to the PEAB (cf. survey in table
Table 8). Their construction width amounts to 4T or 8T.
An expansion via PEAB (primary expansion) exists of:
DTA 025 secondary subrack with DNP 025 or DNP 026 power supply, DUV 025 con-
nection printed board, PEAB connection of DKV 022 and max. 16 I/O modules with
rear connection. DNP, DKV and DUV are not required in certain secondary sub-
racks (cf. section 3.1.2.2 for details); their slots then remain unequipped.
DNP025 or DNP026
I/O slots for max. 16 I/O modules
DKV 022
unequipped
DUV 025
Figure 4 DTA 025 Secondary Subrack
The PEAB transmission paths can be monitored optionally for line fracture, connector
or PEAB driver malfunctions. The DKU 022 is required for the hardware here.
The maximum expansion of the A500 via PEAB depends on the type of subrack of the
controller and is given in section 1.4.3.
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