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AH500 Hardware Manual

 Extension backplane

If the number of slots on the main backplane is not sufficient for the whole system, users can use the

extension backplanes to increase the number of extension modules. The extension backplanes are

divided into two types according to the number of extension modules installed on the extension backplanes.

These two types are six-slot extension backplanes, and eight-slot extension backplanes.

POWER I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7

2.1.2 Installing Modules on a Main Backplane

For a main backplane as a master, the first slot from the left is for a power supply module, the second slot is for

a CPU module, and the slots following the second slot are for extension modules. All AH500 series extension

modules can be installed on a main backplane. Eight AH500 series network modules at most can be installed

on a main backplane, but no limits are imposed on the number of other modules which can be installed on a

main backplane. No limits are imposed on the installing of modules except that a power supply module and a

CPU module have to be installed in the first slot and the second slot respectively. Therefore, users can

configure the hardware by themselves. Besides, twelve extension modules at most can be installed on a main

backplane.

For a main backplane as a RTU, the second slot is for a RTU module, and only digital input/output modules,

analog input/output modules, temperature measurement modules and AH10SCM-5A are supported.

 Main backplane as a master

 Main backplane as a RTU

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Delta AH500 series Handbuch Seite 34