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for forward and reverse directions 

 

Independent current limit adjustments for 
forward and reverse directions 

 

Integral null adjustment 

 

Adjustable IR compensation 

 

Current range programmable by jumper  

 

Armature or tachometer feedback 
programmable by jumper 

 

Two tachometer feedback voltages 
programmable by jumper 

 

7 or 50 VDC per thousand RPM tach 
feedback  

 

300 PPR Encoder Feedback 

 

1.2 ADDITIONAL FEATURES FOR 
ENCLOSED MODELS 
 

 

Power On/Off switch for control circuit 

 

Membrane switch control panel for Run 
Forward, Run Reverse, Jog Forward, Jog 
Reverse and Ramp Stop.  Mushroom style 
locking button for Emergency Stop 

 

NEMA 12 Enclosure 

 

1.3 OPTIONAL FEATURES 
 

 

Dynamic Braking for positive stopping in 
emergency situations 

 

Enclosed models offered in two styles; one 
with controls on the enclosure and the other 
without 

 

1.4 PROGRAMMABLE FEATURES  

Power Board 

J1 – Current Range selector. Choose from four 
different current ranges on BRC702 and six on 

BRC705. 
J2 – Select voltage range for Dynamic Brake 
Resistor. 
J3 – 115/230 VAC scaling jumper 
J4 & J5 – 115/230 VAC input voltage selectors 

Note:

 J2, J3, J4 and J5 are not on the BRC705 

models. 
 

Control Board 

J6 – Reserved for future use. 
J7 – R-STOP Ramp Stop selector.  Allows the 
use of a normally open (NO) or normally 
closed (NC) contact to activate the Ramp to 
Stop state 
J8 – TACH TYPE Tach type selector.  7 VDC 
or 50 VDC per 1000 RPM 
J9 – SUM SIGNAL The Summing Signal 
selector programs the summing signal to be 
ADDED to or SUBTRACTED from the 
Reference Signal 
J10 -JOG DEL Jog Delay selector chooses 
whether armature contactor drops out 
immediately or after a 2.5 sec. delay when Jog 
button is released. 
J11- JOG & SUM The Jog & Sum selector 
chooses whether or not the Summing Signal is 
added to the Jog Signal. 
J12 - FEEDBACK Choose between Armature  
(AFB), Tachometer (TFB) or Encoder               
(EFB) feedback. 
J13 –FWD A/D & J14 – REV A/D These  
jumpers select the accel/decel range.                 
Choose between 1 – 8 seconds ramp or 8 – 60 
seconds ramp.  

Содержание BLAZER IV

Страница 1: ...Instruction Manual Models BRC702 000 BRC705 000 BRC702 0B0 BRC705 0B0 BRC702 E00 BRC705 E00 BRC702 EB0 BRC705 EB0 BRC702 E0C BRC705 E0C BRC702 EBC BRC705 EBC BLAZER IV BRC700 Series ...

Страница 2: ...els 20 D11268 Power Board Schematic All 2 HP Models 21 D11270 Power Board Assembly All 2 HP Models 22 D11384 Final Assembly BRC702 All 2 HP Chassis 23 D11378 Dimension Drawing All 2 HP Chassis 24 D11388 Final Assembly All 2 HP Enclosed with Controls 25 D11386 Final Assembly All 2 HP Models without Controls 26 D11377 Dimension Drawing All 2 HP Enclosed 27 D11380 Connection Drawing 2 HP Models witho...

Страница 3: ...de energizing the armature contactor to extend contactor life Bridge delay circuitry built in to extend contactor life Terminal strip access to the Total Reference Setpoint Velocity Loop Output and Current Loop Input for systems interface applications Internal jog pot for adjustment of Jog Speed Summing Input with on board trim pot to allow voltage summing with Speed Reference Jumper selection to ...

Страница 4: ...e selector Choose from four different current ranges on BRC702 and six on BRC705 J2 Select voltage range for Dynamic Brake Resistor J3 115 230 VAC scaling jumper J4 J5 115 230 VAC input voltage selectors Note J2 J3 J4 and J5 are not on the BRC705 models Control Board J6 Reserved for future use J7 R STOP Ramp Stop selector Allows the use of a normally open NO or normally closed NC contact to activa...

Страница 5: ...BRC702 1 4 to 1 HP 115 VAC 1 2 to 2 HP 230 VAC Model BRC705 1 2 TO 5 HP 230 VAC SPEED REGULATION Armature Feedback 1 0 of base speed Tachometer Feedback or Encoder Feedback 0 5 of base speed TORQUE REGULATION 2 of range selected ADJUSTMENTS Max Speed 20 to 10 of base speed Current Limit 0 to 150 of current range IR Compensation range set by current range jumper ACCEL and DECEL linear independently...

Страница 6: ...MPS SC 50 NOTE Fuses shown are manufactured by Bussman Littelfuse type SLC may be substituted 3 3 1 Circuit Protection All BRC700 models should be installed in accordance with the National Electrical Code and any applicable local or state codes All wiring should be rated at a min of 90ºC Field wiring terminal TB1 should be torqued to 12 in lbs Field wiring terminals TB2 and TB3 should be torqued t...

Страница 7: ...device in parallel with the coil to minimize interference with the control 3 3 Terminal Connections L1 and L2 A C Line Connections These terminals are used for the A C line input For Models BRC702 either 115 VAC or 230 VAC input can be connected to terminals TB1 1 and TB1 2 If 115 VAC is to be used as input place J2 J3 J4 J5 in the 115V position If 230 VAC is to be used as input place J2 J3 J4 J5 ...

Страница 8: ...peed Regulator jumper this terminal to TB3 1 If the drive is to be used as a Torque Regulator jumper this terminal to TB3 3 Refer to connection drawings D11379 or D11380 in Section 7 An external Torque Reference Signal may also be applied to this terminal for special engineered applications The signal applied should not exceed 10 VDC NOTE Jumpers must be removed if an external signal is used TB3 3...

Страница 9: ... is for the encoder signal input Terminal 12 is a 12 VDC 100 mA supply for powering the encoder 4 1 Programming Jumpers Power Board J1 Armature Current Torque Range Used to program the control according to the motor nameplate full load armature current The CURRENT LIMIT pots have a range up to 150 of the current level selected Refer to the following table to select proper jumper location based on ...

Страница 10: ...her J10 Jog Delay Activates or deactivates the contactor disengage delay This delay is provided to help increase the service life of the armature contactor The normal setting is in the ACTIVATE position but for some applications deactivate may be required J11 Jog Sum Programs the control to allow the Sum signal to be added to the Jog signal if J11 is set to JOG SUM If J11 is set to NOT JOG SUM JOG...

Страница 11: ...n the position of the ACCEL DECEL programming jumpers Clockwise rotation of the ACCEL pots increase the time to accelerate the motor linearly to full speed To accelerate to speeds less than full speed will take less time For example to accelerate to 50 speed would take 50 of the acceleration time P7 Forward Decel and P12 Reverse Decel Sets the deceleration time based on the position of the ACCEL D...

Страница 12: ...E The IR COMP signal may affect the maximum speed settings After setting the IR COMP recheck the MAX speed in each direction and readjust if necessary Go to STEP 7 STEP 5 If tachometer feedback is to be used verify that the tach leads are connected to TB3 9 and 10 The tach inputs are polarity insensitive which means the tach can be wired either way With the control in armature feedback run the mot...

Страница 13: ...roduced at full rated armature current In the following steps motor torque should be monitored directly by use of a D C ammeter connected in series with the motor armature The motor shaft must be prevented from rotating in order to properly set the Current Limit There are two recommended ways of preventing motor rotation 1 Mechanically lock the motor shaft to prevent rotation This is probably the ...

Страница 14: ...will vary no more than 5 with a 10 change in line voltage TOTAL REFERENCE SETPOINT The Total Reference Setpoint equals 10 0 VDC at 100 speed reference command Negative polarity indicates a forward direction command A1 motor terminal positive with respect to A2 motor terminal and positive polarity indicates a reverse direction command This signal is the total of the reference input and the summing ...

Страница 15: ... velocity feedback in the TFB mode SCALED ENCODER FEEDBACK The 300 PPR encoder signal is scaled to 8 volts SCALED BIPOLAR VELOCITY FEEDBACK This signal is primarily used to create a velocity error signal so that the speed can be controlled It is also used for zero speed sensing VELOCITY INTEGRATOR This is the Velocity loop output and the torque demand signal CURRENT INTEGRATOR This is the Current ...

Страница 16: ... line voltage 24 VDC and 24 VDC These are power supplies that will vary no more than 5 with a 5 line voltage variation Models BRC702 0B0 EB0 and EBC are designed for Run Brake operation on 1 4 to 1HP 90 VDC armature motors or 1 2 to 2 HP 180 VDC armature motors Model BRC705 0B0 EB0 and EBC are designed for Run Brake operation on 1 2 to 5 HP 180 VDC armature motors For BRC702 with 180 VDC applicati...

Страница 17: ... Number D11267 001 Line Fuse 20 AMP 250 VAC for BRC702 Part Number FUS1005 05 Line Fuse 50 AMP 250 VAC for BRC705 Part Number FUS1002 00 Armature Contactor for BRC702 Part Number REL2013 00 Armature Contactor for BRC705 Part Number REL2014 00 Dynamic Brake Resistor 4 Ohms 100 Watts Part Number RES62 0004 Control Panel membrane switch for BRC702 Part Number SWI5004 00 Control Panel membrane switch ...

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Страница 40: ...Notes 39 ...

Страница 41: ...d maintained performin compliance with such system s written specifications for a period of one 1 year from the date of shipment of such system As the Purchaser s sole and exclusive remedy under said warrant in regard to such systems including but not limited to remedy for consequential damages the Company will at its option cause without charges any such system to so perform which system is found...

Страница 42: ...3204 Rocky River Road Heath Springs SC 29058 Phone 803 286 8614 Fax 803 286 6063 Email saleserv carotron com Web www carotron com MAN1008 00 Rev E Issued 01 30 2019 ...

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