SEQ / SEQ-1U Programmable Sequencer/ Surge Eliminator/Power Conditioner User Manual Software Version: 2.0 © SurgeX | Technical Support: 800-645-9721 | surgex.
SEQ/SEQ-1U User Manual Software Version 2.0 © SurgeX | Technical Support: 800-645-9721 | surgex.
SEQ/SEQ-1U User Manual Software Version 2.0 1. Introduction 4 2. Features 3 3. Installation 3.1 3.2 4. Quick Start 6 5. Programming 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 Power Sequencing Control Over-ride Control Front Panel Push Button 12V DC Output Auxiliary Relay Out-of-Range AC Voltage Shut Down Self-Test Failure Shut Down Restore Functions Password 7 7 8 8 9 10 10 11 11 11 6. Applications 6.1 General Points 6.1.1 Controlling the SEQ 6.1.2 12V DC Output 6.1.3 Auxiliary Relay 6.1.
SEQ/SEQ-1U User Manual Software Version 2.0 1. Introduction The SurgeX® SEQ and SEQ-1U are 120V/20 Amp three-bank AC power sequencers incorporating SurgeX® Advanced Series Mode® power conditioning and surge protection. The surge protection is rated A-1-1, the highest standard of the Federal Commercial Item Description for Endurance.
SEQ/SEQ-1U User Manual Software Version 2.0 2. Features • • • • • • • • • • • • • • • 3.
SEQ/SEQ-1U User Manual Software Version 2.0 3.2 Remote Control Connections Remote connections are wired to the green 7-pin plug-in Phoenix terminal block on the rear of the unit next to the power cord. The terminal block itself is shipped in the accessory bag. After you have made the connections to the terminal block, plug it into the connector on the rear of the unit.
SEQ/SEQ-1U User Manual Software Version 2.0 3.2.2 Over-Ride Input The SEQ has the option of adding an over-ride function for purposes such as providing fire safety override to force the system either on or off. An over-ride is initiated by applying a dc voltage of 5-30V or by a sustained contact closure. The selection of dc voltage or contact closure is accomplished during programming. This topic is covered fully in the programming section.
SEQ/SEQ-1U User Manual Software Version 2.0 4. Quick Start This section is intended to allow users with a simple straightforward system incorporating a single SEQ to get up and running with minimum effort. If this is not the case then skip this section and go directly to the section on detailed programming (Section 5). If you are going to follow the quick start instructions, you only need to perform the following steps since the unit has been shipped with default settings suitable for basic operation. 1.
SEQ/SEQ-1U User Manual Software Version 2.0 5. Programming The SEQ is a very versatile sequencer and has 25 menu items that control its operation. Some menu items allow predetermined options to be selected and others allow time delays or voltage limits to be adjusted. All adjustments are made via the front panel and are achieved by turning the two screwdriver-accessible rotary encoders labeled SEL (select) and ADJ (adjust).
SEQ/SEQ-1U User Manual Software Version 2.0 5.2 Over-Ride Control The SEQ has an optional over-ride and four menu items that control this function. If you do not require an override, you can skip the next four menu items since units are shipped with this function disabled. The over-ride can be used for such purposes as fire safety over-ride, and can be set to either force the unit on or force it off when an over-ride signal occurs.
SEQ/SEQ-1U User Manual Software Version 2.0 5.4 12V DC Output The programmable 12V DC output provides a nominal 12 Volts at up to 40mA of direct current and is available at the rear of the unit. The 12V DC output can be used to provide confirmation to a central controller, to control another power distribution product, to drive LEDs, or to provide feedback to the previous SEQ in a cascaded chain. Please see the applications section for full details on setting up an expanded system.
SEQ/SEQ-1U User Manual Software Version 2.0 5.5 Auxiliary Relay The programmable Auxiliary Relay provides a single normally-open contact which is available at the rear of the unit. The aux relay can be used to provide confirmation to a central controller, to control another power distribution product, or for controlling another SEQ when two or more are ganged or cascaded together. Please see the applications section for full details on setting up an expanded system.
SEQ/SEQ-1U User Manual Software Version 2.0 5.7 Self-Test Failure Shut Down The SEQ circuitry has integral self-monitoring which tells the microprocessor that the surge protection is on-line and operating within specification. This menu item allows an option to be selected so that the unit will begin the power down sequence should the self-test ever fail. Menu Item Self-Test Shut Down 5.
SEQ/SEQ-1U User Manual Software Version 2.0 6.
SEQ/SEQ-1U User Manual Software Version 2.0 6.1.3 Auxiliary Relay The primary uses of the aux relay are to control other remote turn-on products or to provide status feedback to a central controller to confirm that the unit has completed the requested operation. Details of using the aux relay to control other products are covered in the specific applications sections. The aux relay provides one normally-open contact at the rear terminal block and can handle 1 Amp at up to 30 Volts DC. See Section 3.
SEQ/SEQ-1U User Manual Software Version 2.0 The SEQ has internal self-test circuitry that constantly monitors the operation of the unit and displays the word “Good” or “Fail” on the front panel. The unit can be programmed to shut down in the unlikely event that the self-test should fail. See Section 5.7 for more details. There are two “Restore” options. The first option allows the unit to restore to a power-on state after loss of AC power or out-of-range AC voltage.
SEQ/SEQ-1U User Manual Software Version 2.0 6.3 Expanded System A basic expanded system consists of an SEQ in combination with a remote turn-on SurgeX such as the SX1120RT 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.
SEQ/SEQ-1U User Manual Software Version 2.0 As can be seen in the above two examples, by choosing the appropriate sync setting and delay times it is possible to position the 4th bank anywhere in the sequence. If an over-ride is used with an expanded system do not use the Special Delay because the 4th bank may not turn on and off in the correct sequence during an over-ride condition.
SEQ/SEQ-1U User Manual Software Version 2.0 © SurgeX | Technical Support: 800-645-9721 | surgex.
SEQ/SEQ-1U User Manual Software Version 2.0 6.4 Ganged System A ganged system consists of two or more SEQs connected together in such a way that they all turn on and off together. Figure 6 shows how to connect and program each unit in a three-unit system. If only two units are to be ganged together then ignore the middle unit in the diagram.
SEQ/SEQ-1U User Manual Software Version 2.0 6.5 Cascaded System A cascaded system consists of two or more SEQs connected together such that they turn on and off one after another in an extended sequence. Connecting a cascaded system together is a little more complicated than the other types of system because there must be feedback from each unit to the previous unit as well as control from each unit to the next unit.
SEQ/SEQ-1U User Manual Software Version 2.0 7. Troubleshooting Condition Initial Check Check Whenever power is applied to the SEQ the LCD display should be illuminated and should show two lines of text as follows: Status: All On or All Off 120VAC (or whatever the actual line voltage is) Protection: Good If the first line of the display does not show “Status” the unit is in programming mode and therefore the three banks of receptacles will not turn on.
SEQ/SEQ-1U User Manual Software Version 2.0 9. Specifications Parameter Load Rating Maximum Load Inrush Energy Surge Let-through Voltage (6000 Volt Surge) UL 1449 Adjunct Classification Test Results Maximum Applied Surge Voltage Maximum Applied Surge Current Maximum Applied Surge Energy Endurance (C62.
