The SEQ is microprocessor controlled and designed to be versatile and expandable. Two or more SEQs can be connected together to provide control and power conditioning for larger systems. The SEQ can also control other SurgeX products with its auxiliary relay contacts and/or its 12V dc output. All options are set via the front panel and all connections are made at the rear panel.
The SEQ-1U is designed to be installed in a 19 inch equipment rack and requires one unit (1RU) of rack space. Use the eleven flathead screws (included) to secure the left and right rack ears to the product. Use the four thumbscrews (included) to secure the rack ears to the rack rails.
The SEQ can be used in four types of configuration: a single unit providing three sequenced banks; an expanded system where the SEQ controls remote turn-on SurgeX products providing four or five sequenced banks (or three banks with increased current capacity on extra units); a ganged system where two or more SEQs are connected together such that they all turn on and off at the same time providing three banks with increased current capacity for all three banks;...
Expanded System A basic expanded system consists of an SEQ in combination with a remote turn-on SurgeX such as the SX1120- RT or the SX20-NE/RT. Such a system provides a total of four banks and 40 Amps total load capacity. The auxiliary relay inside the SEQ is normally used to control the second unit although the 12V DC output can also be used for this purpose.
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The aux output and the 12V DC output could be programmed to be the first two sequenced banks, or the last two sequenced banks. Similarly, the rack-mount SX1120RT remote turn-on SurgeX was used in this example whereas the ICE20C or the hard-wired SX20-NE/RT could equally have been used.
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