KB Electronics 8800, Installation And Operating Instructions Manual

Page 1: ... 5 TB1 12 9 7 8 10 11 13 J3 F1 EARTH T1 GND DB ACCEL ACCEL REV FWD RESP SPD MAX CL CL COMP IR REV FWD TCL J8 NLT S LT OFFSET R33 EN FWD REV EN ON PWR CL See Safety Warning on Page 2 The information contained in this manual is intended to be accurate However the manufacturer retains the right to make changes in design which may not be included herein A COMPLETE LINE OF MOTOR DRIVES Spec Tech Indust...

Page 2: ...ion 8 7 Field Connections 10 8 Control State vs Relay Contact State 12 9 Armature Fuse Chart 13 10 Current Limit Timer Settings 15 11 Parts List Logic Board 16 17 12 Parts List Power Board 19 FIGURES 1 Control Layout 3 2A Linear Torque Curve 5 2B Non Linear Torque Curve 6 3 AC Line Voltage Jumper Setting 7 4 Motor Armature Voltage Jumper Setting 7 5 Mechanical Specifications 9 6 AC Line and Armatu...

Page 3: ...actory set for speed control operation SPD For torque control set J7 to TRQ position Note J8 must be set to the S LT position for speed control operation 3 MOTOR CURRENT Jumper J2 is factory set for 15 amp motors 15A on the KBRG 225D and 10 amp motors 10A on the KBRG 240D For lower amperage motors place J2 in the proper position If motor amperage is less than 2 5 amps which is the lowest value on ...

Page 4: ...p Inhibit are not isolated from AC line Be sure to follow all instructions carefully Fire and or electrocution can result due to improper use of this product This product complies with all CE directives pertinent at the time of manufacture Contact factory for detailed installation instructions and Declaration of Conformity Installation of a CE approved RFI filter KBRF 200A KB P N 9945C or equivale...

Page 5: ...3 FIG 1 CONTROL LAYOUT Illustrates Factory Setting of Jumpers and Approximate Trimpot Settings ...

Page 6: ...de of the mode selected Set jumper J7 to SPD for speed control or to TRQ for torque control See fig 1 p 3 A Speed Control Mode When jumper J7 is set to the SPD position the KBRG will vary the motor speed as a function of the voltage on input terminals 12 signal and 13 common IMPORTANT When J7 is set for speed control SPD J8 must be set to S LT position factory setting The input voltage can be deri...

Page 7: ...der roll diameter changes The S LT torque characteristics are shown in fig 2A FIG 2A LINEAR TORQUE CURVE In the NLT position only torque not speed is varied by the input signal The motor output torque remains constant over the motor s full speed range unless the load is less than the set torque If the load torque decreases below the set torque the motor will rapidly increase to full speed This typ...

Page 8: ...output current is set to 150 of the J2 position which may be readjusted using the FWD CL and REV CL trimpots Note On Model KBRG 240D position 10A is factory setting TABLE 4 JUMPER J2 POSITION vs MOTOR HORSEPOWER Jumper J2 Position Motor Current DC Amps Motor Horsepower 90VDC 180VDC 10A 5 0A 2 5A 7 5A 15A J2 15A 1 1 3 10A 1 2 7 5A 3 4 1 5 0A 1 2 1 3 1 3 4 2 5A 1 4 1 2 1 15A current range on KBRG 22...

Page 9: ...r RT may be used as follows i Install resistor in series with either tach generator lead ii Place J4 in 7V position iii The value of RT is calculated as follows RT 5 4 x Vt x S 68 000 VT Tach voltage in volts 1000 RPM Choose the closest standard watt S Base Speed of motor in RPM resistor value to the calculated value E J5 Feedback Type The KBRG can be operated in either armature feedback AFB or ta...

Page 10: ...is suitable for the KBRG 240D at full rating and a 12 x24 x36 enclosure is suitable for the KBRG 225D at full rating Smaller enclosures may be used if full rating is not required V WIRING Warning Read Safety Warning before attempting to use this control Warning To avoid erratic operation do not bundle AC Line and motor wires with potentiometer voltage following enable inhibit or other signal wirin...

Page 11: ... LINE FUSE FUSE 2 1 3 4 6 5 12 9 7 8 10 11 13 F1 T1 R69 NOTE CONTROL SHOWN ABOVE IS MODEL KBRG 225D 10 00 203 20 254 00 8 00 25 40 7 62 1 00 0 30 DWG C3900 1 00096 180 34 7 70 7 10 195 58 3 440 87 4 4 PL R4 4 R0 172 4 PL R2 3 R0 089 8 2 0 324 4 PL HEIGHT OF MODEL KBRG 240D IS 2 57 65 mm ...

Page 12: ... Voltage Field Voltage VDC Field Connection 115 90 100 F F 115 90 50 F L1 230 180 200 F F 230 180 100 F L1 230 90 100 F L1 Step down operation see sec III C p 6 D Ground Be sure to ground earth the control via green screw located on chassis E Main Speed Potentiometer The main speed potentiometer can be connected in several ways using terminals 10 11 12 13 A 5K ohm potentiometer is supplied with co...

Page 13: ... is in ENABLE state When terminals 8 and 9 are open control is in INHIBIT state See fig 9B IMPORTANT If Enable is not used a jumper must be installed between terminals 8 and 9 or control will not operate See Safety Warning on page 2 H Start Stop Circuit A standard 3 wire start stop circuit is provided terminals 5 6 and 7 This allows a remote momentary 2 button start stop station to be installed In...

Page 14: ...odes require that each ungrounded conductor contain fusing Separate branch circuit fusing may be required Check local electrical codes 2 Armature Fuse An armature fuse F2 is also provided with a rating equal to the maximum RMS rating of the control It is recommended that the correct size armature fuse be installed depending on the rating of the motor and form factor RMS AVG current Fuse type shoul...

Page 15: ...tment of trimpots in order to tailor control to exact requirements Readjust trimpots as follows A Forward Acceleration FWD ACCEL and Reverse Acceleration REV ACCEL The FWD ACCEL trimpot determines the amount of time it takes the control voltage to reach full output in the forward direction It also determines the amount of time it takes for the control voltage in the reverse direction to reach zero...

Page 16: ...tween forward and reverse Adjust deadband trimpot CW until the instability disappears Oscillation may also occur due to response setting See section VIII G p 15 D Forward Current Limit FWD CL and Reverse Current Limit REV CL Trimpots These trimpots are used to set the maximum amount of DC current that the motor can draw in both the forward and reverse directions The amount of DC current determines...

Page 17: ... If response is made too fast unstable operation may result H Timed Current Limit TCL Trimpot Trimpot is functional only when control is wired for 3 wire Start Stop and J6 is in the TCL position The TCL trimpot sets the delay time for the Timed Current Limit The trimpot is adjustable over a time range of 1 15 seconds and is factory set for approximately 5 seconds Calibrate the TCL trimpot by setti...

Page 18: ...tee expressed or implied and we are not responsible for any expense including installation and removal inconvenience or consequential damage including injury to any person caused by items of our manufacture or sale Some states do not allow certain exclusions or limitations found in this warranty so that they may not apply to you In any event KB s total liability under all circumstances shall not e...