ABB Ability 800xA Series, User Manual, Page: 23 / 122

Section 2 Installation Recommended Hardware Configurations
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system or not. The general rule is that a system extension should be installed on the
subscriber system if aspects from the system extension is uploaded.
Recommended Hardware Configurations
This chapter describes different configurations, used for a small and medium/large
systems.
There are no special hardware requirements for 800xA Multisystem Integration,
except the requirements for the 800xA Core system software.
The time difference between a Remote Access Client and a remote Access Server
should be reasonable, normally less than a minute. To achieve this time
synchronization additional external equipment may be needed.
The recommended hardware configurations are:
• Small Configuration
• Medium/Large Configuration