MN300262 Rev B
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Configuration (continued)
Step
Five
HOW TO TRIPLEX THREE RELAYS:
Triplex enables EchoSwitch® to use three relays to alternate after each cycle while performing a lead lag-lag
operation. To begin, configure all three relays in the same mode (ex: all relays are set as PUMPs that FILL or
all relays set as PUMPs that EMPTY). Be sure to set all three relay with different ON Set Point, one for
Primary, one for Backup and the other for Backup 2). Setting all three relays with the same ON level will cause
the relays to all turn on at the same time. Example below shows three relays (A, B and C) used to Auto Empty
a tank:
1. Make sure all three relays are in the same mode. If this is not true, then TRIPLX will not appear.
2. In TOP-LEVEL MENU mode, select M-PLEX.
3. Select
TRIPLX.
4. Select EXIT to return to TOP-LEVEL MENU.
HOW TO TURN OFF M-PLEX (DUPLEX OR TRIPLEX)
1. In TOP-LEVEL MENU mode, select M-PLEX.
2. Select NO ALT.
3. Select EXIT to return to TOP-LEVEL MENU.
