Installation
S811+ Soft Starter MN03900001E—November 2012 15
Control Wiring Terminal Blocks
CAUTION
Only apply 24 Vdc to Control Power Terminal Block. All
control wiring is 22–12 AWG (0.33–2.5 mm
2
).
CAUTION
Do not apply 120 Vac to the control input terminals of the
Control Power Terminal Block.
Do not apply 24 Vdc to Network communications Terminal
Block.
Terminal Block Wiring Capacity
S811+ Control Terminal Block Wiring
Control Terminal Block—Descriptions
The S811+ Soft Starter has the following control terminal block control input and
aux relay functions:
Terminal Block Functions
“–“ and “+” Control Power—Connect power supply
negative to pin “–” and to system ground. Connect +24 Vdc
output to pin “+”. Verify that the 24 Vdc control power
source has the recommended capacity. Minimum control
voltage is 18 Vdc.
Note: To avoid voltage drop during bypass contactor inrush,
a minimum of 14 AWG (2.5 mm
2
) wire should be
used between the power supply and the “+” and “–”
inputs at the S811+ terminal block.
P-Permissive—Control Input 24 Vdc only (maintained).
Permissive must be energized (+24 Vdc) to enable START or
RUN operation of the unit from any source. If power is
removed from the permissive circuit at any time, the unit will
begin a STOP command. If a soft stop or pump stop is
selected, the soft stop or pump stop will begin and run to
time-out. Required input for network commands.
Wire Size
Number of
Conductors Torque Requirements
22–14 AWG (0.33–2.5 mm
2
) 2 3.5 Lb-in (0.4 Nm)
14–12 AWG (2.5–4.0 mm
2
) 1 3.5 Lb-in (0.4 Nm)
Position Options Minimum Maximum Default
“–” Not Programmable — — “–”
“+” Not Programmable — — “+”
P Not Programmable — — P
1 Input Config Entry 0 0 10 1
2 Input Config Entry 1 0 10 3
3 Input Config Entry 2 0 10 4
4 Input Config Entry 3 0 11 5
13 Relay Config Entry 0 0 10 2
14
95 Relay Config Entry 1 0 10 1
96
98
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