Appendix A
Specifications
Functional Design Specifications
Standard Features
Installation Power Wiring Standard squirrel-cage induction motor or a Wye-Delta, six-lead motor.
Control Wiring 2- and 3-wire control for a wide variety of applications.
Setup Keypad Front keypad and backlit LCD display.
Software Parameter values can be downloaded to the SMC-Flex Controller with DriveTools
programming software and the Cat. No. 20-COMM… DPI communication module.
Communications One DPI provided for connection to optional human interface and communication modules.
Starting Modes • Soft Start
• Current Limit Start
•Dual Ramp
• Full Voltage
• Linear Speed Acceleration
• Preset Slow Speed
• Soft Stop
Protection and Diagnostics Power loss, line fault, voltage unbalance, excessive starts/hour, phase reversal, undervoltage,
overvoltage, controller temp, stall, jam, open gate, overload, underload, communication fault.
Metering A, V, kW, kWH, elapsed time, power factor, motor thermal capacity usage.
Alarm Contact Overload, underload, undervoltage, overvoltage, unbalance, jam, stall, and ground fault
Status Indication Stopped, starting, stopping, at speed, alarm, and fault.
Auxiliary Contacts Contact programmable as normal/up-to-speed/external bypass; one programmable for fault,
one programmable for alarm, and one programmable for N.O./N.C. normal.
Optional Features
Pump Control Helps reduce fluid surges in centrifugal pumping systems during starting and stopping period.
Starting time is adjustable from 0…30 seconds. Stopping time is adjustable from 0…120
seconds.
Braking Control SMB Smart Motor Braking Provides motor braking without additional equipment for applications that require the motor to
stop quickly. Braking current is adjustable from 0…400% of the motor’s full load current
rating.
Accu-Stop Provides controlled position stopping. During stopping, braking torque is applied to the motor
until it reaches preset slow speed (7% or 15% of rated speed) and holds the motor at this
speed until a stop command is given. Braking torque is then applied until the motor reaches
zero speed.
Braking current is programmable from 0…450% of full load current.
Slow Speed with Braking Used on applications that require slow speed (in the forward direction) for positioning or
alignment and also require braking control to stop.
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