S611 Soft Starter MN03902011E—May 2012 www.eaton.com 13
Basic Connection Diagram for 120 Vac Two-Wire Pushbutton
Notes:
1. For a single conductor, a minimum wire of 14 AWG (2.5 mm
2
) should be used between
the control power transformer and the supply terminals.
2. See “Using Auxiliary Contacts” section if it is desired to use a relay instead of an
indicating lamp for terminals 13, 14, 95, 96 and 98.
3. If an isolation or reversing contactor is used upstream of the S611, Eaton recommends
that the operator uses the level sensing option (default value) of the Start Control
Parameter Code in the Advanced Parameters Menu.
Maintained
Momentary
Reset
E-Stop
Start/Run
98 97 96 13 14
Ground
+24V
D0
D1
Common
N–Tap
Neutral
L–Tap
Line
TB1
120 Vac
Supply
User Interface
Module
TB4
Comms Port A
Comms Port B
TB5 (Connector)
TB2
Relays
TB3
120 Vac
Control
Relay 2 Relay 1
N–Network
L–Network
N–Permissive
L–Permissive
N–Start
L–Start
N–Reset
L–Reset
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