Rockwell Automation 150 SMC Dialog Plus Controller - Quick Start - Manual (Page 4)

4 Rockwell Automation Publication 150-QS002B-EN-P - October 2011
Quick Start
General Precautions
ATTENTION: Hazardous voltage is present in the motor circuit even
when the SMC-Dialog Plus controller is off. To avoid shock hazard,
disconnect the main power before working on the controller, motor, and
control devices such as Start-Stop push buttons. Procedures that require
parts of the equipment to be energized during troubleshooting, testing,
etc., must be performed by properly qualified personnel, using appropriate
local safety work practices and precautionary measures.
ATTENTION: Failure of solid-state power switching components can
cause overheating due to a single-phase condition in the motor. To
prevent injury or equipment damage, the use of an isolation contactor or
shunt trip type circuit breaker on the line side of the SMC is
recommended. This device should be capable of interrupting the motor’s
lock rotor current.
ATTENTION: Hazardous voltages that can cause shock, burn, or death
are present on L1, L2, L3,T1, T2, and T3. Disconnect the main power
before servicing the motor controller, motor, or associated wiring.
ATTENTION: The controller contains ESD (electrostatic discharge)
sensitive parts and assemblies. Static control precautions are required
when installing, testing, servicing, or repairing the assembly.
Component damage may result if ESD control procedures are not
followed. If you are not familiar with static control procedures, refer to
applicable ESD protection handbooks.
ATTENTION: An incorrectly applied or installed controller can damage
components or reduce product life. Wiring or application errors, such
as undersizing the motor, incorrect or inadequate AC supply, or
excessive ambient temperatures, may result in malfunction of the
system.
ATTENTION: Only personnel familiar with the controller and
associated machinery should plan or implement the installation,
start-up, and subsequent maintenance of the system. Failure to do this
may result in personal injury and/or equipment damage.
ATTENTION: Disconnect the controller from the motor before
measuring insulation resistance (IR) of the motor windings. Voltages
used for insulation resistance testing can cause silicone-controlled
rectifier (SCR) failure. Do not make any measurements on the controller
with an insulation resistance (IR) or Megger tester.
ATTENTION: The controller can be installed on a system with power
factor correction capacitors (PFCC). The PFCC capacitors must only be
located on the line side of the SMC. Installing PFCC capacitors on the
load side wil result in SCR damage and failure.
ATTENTION: After a short-circuit occurs, device functionality must be
verified.