KB Electronics KBRG-212D Data Sheet

• Trimpot Adjustments

Response (RESP) • Forward Current Limit (FWD CL) Reverse Current Limit (REV CL) • IR Compensation (IR COMP) Maximum Speed (MAX SPD) • Forward Acceleration (FWD ACC) Reverse Acceleration (REV ACC) • Dead Band (DB)

• LED’S

Power On (PWR ON) • Overload (OL)

OPTIONAL FEATURES

• 4 Quad Accel/Decel (P/N 8803) – Provides independent settings

of forward accel, forward decel, reverse accel and reverse decel.

• Bipolar Signal Isolator (P/N 8801) – Allows a non-isolated

signal source to be connected directly to drive input.

• PID Module (P/N 8804) – Increases dynamic response of

drive for accurate web or tension control.

• Multi Speed Board (P/N 8814) – Provides discrete preset

speeds which can be controlled from a PLC.

ELECTRICAL RATINGS

Input

Model

KBRG-212D 230 12 0 – ±90 7.5 3/4, .5

Voltage

(VAC)

115 12 0 – ±90 7.5 3/4, .5

230 12 0 – ±180 7.5 11⁄2, 1

Max. AC

Current

(RMS)

Output

Voltage

(VDC)

Max. DC

Output

Current

(ADC)

Max.

Horsepower

(Hp, KW)

DATA SHEET D-410

DESCRIPTION

The KBRG-212D is a full-wave regenerativ e drive capab le of operating DC PM or Shunt motors in a bidirectional mode. Its 4-quadrant operation provides forward and reverse torque in both speed directions. This allows the control to maintain constant speed with overhauling loads and provides rapid instant reversing and controlled braking.Because of its excellent controllability and response time, the KBRG-212D can replace servos in many applications. The control is factory set for armature feedback, which provides up to 1% load regulation over a motor base speed of 50:1.Tachometer feedback is also provided for superior load regulation if required. A simple jumper setting converts the KBRG-212D to a torque control. In this mode, motor torque rather than motor speed is controlled.

An important feature of the drive is the factory-calibrated, built-in, selectable, motor current jumper. It eliminates the need to recalibrate IR Comp and Current Limit for most applications.

The control contains an Enable function which can be used to start and stop the motor electronically via a contact closure.Through a jumper selection, the motor can be set to rapidly regenerate to a “stop”or to “coast to stop.”

KB’s exclusive Auto Inhibit starting during rapid cycling of the AC line. The Overspeed Protect Circuit prevents f ailure of the pow er bridge in extreme overhauling conditions.Reliability of the KBRG-212D is further enhanced with the use of a high speed current limit circuit along with armature fusing and MOV transient protection. LED’S, which can be used for diagnostics, are provided for power on and motor overload. A rugged extruded aluminum heatsink provides enhanced heat transfer which provides a higher control rating while maintaining cooler running SCR’s.

Several accessories are available for the KBRG-212D, which enhance its adaptability to many applications. They include: Bipolar signal isolator, 4-quadrant accel/decel board, PID compensator and multi speed module.

A 5K remote potentiometer and full operating instructions are supplied.

circuit provides safe, smooth

P/N 8819

* CE Compliance Requires KBRF-200A RFI Filter

A Complete Line of Motor Drives

Rev.______(A_______)

SPECIFICATIONS

AC Line Input Voltage (VAC ±10% 50/60 Hz) .................... 115 or 230

AC Line Frequency (Hz).............................................................. 50/60

Armature Voltage Range 115VAC Line (VDC) ........................ 0 – ±90

Armature Voltage Range 230VAC Line (VDC) ........ 0 – ±90, 0 –±180

Field Voltage at 115VAC Line (VDC) ........................................ 100/50

Field Voltage at 230VAC Line (VDC) ...................................... 200/100

Max Load Capacity (% for 2 Minutes) ............................................ 150

Ambient Temperature Range (°C).............................................. 0 – 50

Speed Range (Ratio) .................................................................... 50:1

Armature Feedback Load Regulation (% Base Speed) .................. ±1

Tachometer Feedback Load Regulation (% Set Speed).................. ±1

MECHANICAL SPECIFICATIONS

AC Line Regulation (% Base Speed) ............................................ ±0.5

Current Ranges (Amps DC)................................ 1.7, 2.5, 3.3, 5.0, 7.5

FWD and REV Accel Range (Sec.) ........................................ 0.1 – 15

Dead Band Range (% Base Speed).......................................... 0 – ±5

Maximum Speed Trimpot Range (% Base Speed) ................ 55 – 110

IR Comp Range at 115VAC Line (VDC) .................................... 0 – 20

IR Comp Range at 230VAC Line (VDC) .................................... 0 – 40

FWD and REV CL Range (% Range Setting).......................... 0 – 150

Voltage Following Input Range (VDC) .......................... 0 – 10, 0 – 15

Voltage Following Linearity (% Base Speed) ................................ ±0.5

INCHES

[mm]

0.63

[16.0]

3.500 [88.9]

0.265 [6.7]

F+ F-

0L PWR ON

T50

A180

A90

LINE

R104

TB3

TB1

TB2

VR2

LED2

LED1

-15V

SIG +15V ENTACH COM

ARM FUSE

115V 230V

230V 115V

VR1

15V 10V

RESP

TB3

L1 L2 M2 M1 F+ F-

FIELD

TB2

LED2

PWR ON

LED1

T50

A180

A90

-15V SIG +15V ENTACH COM

TB1

WHT

ORN

BIDIRECTIONAL MAIN SPEED POT

(NOTE: JUMPER J5 IN “15V” POSITION)

SCR1

SCR4

SCR2

SCR3

KBRG-212D

T2 T3

SPDTRQ

CTSRTS

FWD CL REV CL IR COMP MAX SPD FWD ACC REVACC DB

8.370

[212.6]

8.900

[226.1]

CONNECTION DIAGRAM

ARM FUSE

115V 230V

230V 115V

VR1

VR2

VLT

OPEN TO

REGENERATE

TO STOP

R104

SCR1

SPDTRQ

CTSRTS

15V 10V

RESP FWD CL REV CL IR COMP MAX SPD FWD ACC REV ACC DB

A57490

03.17.97

SCR4

SCR5

SCR2

T2 T3

SCR8

SCR6

T4 T5

R34

7.5A

5.0A

3.3A

2.5A

1.7A

SCR3

KBRG-212D

A57490

03.17.97

SCR7

SCR5

SCR8

SCR6

T4 T5

R34

7.5A

5.0A

3.3A

2.5A

1.7A

VOLTAGE FOLLOWING

-15V SIG +15V MIN COM EN

SCR7

4.760

[120.9]

0.2

[5.08]

±10V

(NOTE: JUMPER J5 IN “10V” POSITION)

NOTES:

1. MAXIMUM HEIGHT WITHOUT ACCESSORY BOARD IS

2. MAXIMUM HEIGHT

WITH ACCESSORY BOARD IS

DWG#: B3900-1-00781

DWG#: B3900-2-00754

1.700 [43.2]

3.100 [78.7]

KB ELECTRONICS, INC.

12095 NW 39th Street, Coral Springs, FL 33065-2516 (954) 346-4900 • FAX (954) 346-3377 Outside Florida Call TOLLFREE (800) 221-6570 www.kbelectronics.com

Rev.______(A_______)