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Chapter 7 Plug-in Modules
N2267A 8-Channel High Current GP Module
4
7
Protection Network
The module circuit board contains provisions to allow you to mount relay
protection circuits. Inductive loads may exhibit large transient currents
that can damage the relay contacts. The type of protection and
component values are determined by the loads being switched. More
detailed information about protection circuits is given on page 272.
The N2267A circuit board has a provision to allow you to install
protection networks in the relay paths. The figure below shows the
locations on the main circuit board.
RELAY
CONTACT
RC
NETWORK
VARISTOR
Protection
Networks
Channel 07
Channel 00
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