KBRC Series Specifications
May 3, 2012KBRC Series General Description
May 3, 2012KBRC Series DC Drives by KB Electronics
General Description•Standard Features • Specifications
Standard Features
• Industrial Duty Die-Cast Aluminum Case: Available in black finish (P/N 8840) and white FDA approved finish (P/N 8841).
• Front Panel LEDs: Power On (ON), Stop (STOP) and Overload (OL).
• PC Board LEDs: Power On (PWR ON), Overload (OL), Forward Enable (FWD EN) and Reverse Enable (REV EN).
• Run Relay: Used to signal a warning or to shut down other equipment if the control is put into “stop” or times out in TCL.
• Start/Stop Switch: Provides electronic start and stop functions.
• Barrier Terminal Blocks: Facilitates wiring of motor, AC line, Tachgenerator and run relay.
Protection Features
• AC Line Transient Protection: Provides protection to power devices from AC line transients.
• Auto-Inhibit®: Allows rapid, safe cycling of the AC line.
• Motor Burnout Protection (I x t): Shuts down control if the motor is overloaded for a predetermined amount of time.
• Regeneration Overspeed Protection: Prevents power bridge failure in extreme overhauling conditions.
Trimpot Adjustments
| Offset (OFFSET) | Reverse CL (REVCL) |
| Reverse Accel (RACC) | IR Comp (IR) |
| Forward Accel (FACC) | Response (RESP) |
| Maximum Speed (MAX) | Dead Band (DB) |
| Forward CL (FWDCL) | Timed CL (TCL) |
Jumper Selectable Features
• J1/J2 (115V, 230V): Selects AC line input voltage.
• J3 (A90, A180, T7, T50): Selects motor voltage or tach feedback.
• J4 (1.7A, 2.5A, 5A, 7.5A, 10A): Selects motor current.
• J5 (10V, 15V): Selects analog input voltage.
• J6 (SPD, TRQ): Selects control mode.
• J7 (S/L, NL): Selects Linear or Non-Linear Torque Mode.
• J8 (TCL, NTCL): Selects current limit mode.
• J9 (RTS, CTS): Selects stopping mode.
• J10 (NC, NO): Selects run relay output contacts.
• J11 (EN): Enable Jumper.
OPTIONAL ACCESSORIES
• Forward-Stop-Reverse Switch (P/N 9485): Provides motor reversing and regenerative braking.
• Power On/Off Switch (P/N 9486): Disconnects the AC line.
• Signal Isolator SIRC (P/N 8842): Provides isolation between a nonisolated signal voltage source and the KBRC-240D.
• Auto/Manual Switch (P/N 9487): Selects signal input from either the SIRC Signal Isolator or the Main Speed Potentiometer.
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General Description•Standard Features • Specifications
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