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WARNING: Dangerous voltages are present
on the circuit board when connected to the
power line and for some time after power is
removed. Power must be removed for 30
seconds before making any connections or
adjustments to avoid electrical shock or
damage to the unit.
MOTOR COMPATIBILITY
For maximum motor life without using a line filter, the
use of an inverter duty motor is recommended.
Mounting: Stratus II is supplied with six .16D mounting
holes suitable for #6 screws. Use at least 4 screws to
mount Stratus II.
Power Connections: It is recommended that an
adequately sized circuit breaker be connected between
the power service and Stratus II to permit fail-safe
removal of power before making adjustments or
connections. Using .250 Female spade type terminals,
connect L1 power (white) to location N, connect L2
power (black) to location L, connect Earth ground
(green) to location G. Refer to wiring diagram for
connections.
Motor Connections: For motor connections, use .250
Female spade type terminals. For single-phase motors,
connect motor to positions marked W/T3 and V/T2. For
three-phase motors connect to locations W/T3, V/T2 and
U/T1. If a three-phase motor runs backwards,
disconnect power and switch any 2 of the three wires.
Any number of motors may be controlled in parallel from
one unit as long as the total current does not exceed the
current rating.
To help reduce electrical noise emissions, use shielded
cable or place motor wires in a grounded metal conduit.
Using Single-Phase or Three-Phase Motors
Stratus II can control single- or three-phase motors from
a single-phase power source. Refer to wiring diagram for
motor connections.
To control a 1PH motor set SW2, #8 to the OFF position.
To control a 3PH motor set SW2, #8 to the ON position.
Power must be cycled before this setting will take effect.
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| MODBUS |
RJ-45 Jack for Modbus interface |
| USB |
For future USB interface |
| STAT1 |
Isolated control status LED |
| SW1 |
Future Feature |
| 0-5 |
Connection for 0-5 VDC control input |
| COM |
Common connection for all input signals |
| 0-10 |
Connection for 0-10 VDC control input |
| 4-20 |
Connection for 4-20 mA control input |
| POT |
Connection for a potentiometer or thermistor
control input. |
| 5 V |
Connection to power a remote transducer or
potentiometer, 5VDC @ 50mA |
| RELAY |
Connection for a relay alarm output. |
| 3.3V |
Regulated 3.3VDC output |
| GND |
Non-isolated reference level |
| A |
Non-isolated programmable pin |
| B |
Non-isolated programmable pin |
| Z |
STOP on contact closure to GND |
| STAT2 |
Non-Isolated control status |
| SW2 |
Switches to select single- or three-phase
output power, fixed speed mode settings or
Modbus address |
| POWER |
115/230 VAC Power Source Input |

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