Table 4-2 Parameter Block Definitions Level 2 Continued

Block Title

Parameter

Description

MISCELLANEOUS

Factory Settings

Restores factory settings for all parameter values.

Continued

 

NO Does not change parameter values.

 

 

Select STD Settings and press “ENTER” key to restore standard 60Hz factory parameter

 

 

values. The keypad Display will show “Operation Done” then “NO” when completed.

 

 

Select 50Hz / 400Hz and press “ENTER” key to restore factory parameter values if using

 

 

a motor with a base frequency of 50Hz.

 

STAB Cutoff Freq

The maximum range of adjustment at low output frequency and light load conditions to

 

 

eliminate instability. Factory setting is good for most applications.

 

Stability Gain

The response time if instability occurs. Factory setting is good for most applications.

 

 

 

SECURITY

Security State

Off - No security access code required to change parameter values.

CONTROL

 

Local Security - Requires security access code to be entered before changes can be made

 

 

using the Keypad.

 

 

Serial Security - Requires security access code to be entered before changes can be made

 

 

using the RS232/422/485 link.

 

 

Total Security - Requires security access code to be entered before changes can be made

 

 

using the Keypad or serial link.

 

 

Note: If security is set to Local, Serial or Total you can press PROG and scroll through the

 

 

parameter settings but you are not allowed to change them unless you enter the

 

 

correct access code.

 

Access Timeout

The time in seconds the security access remains enabled after leaving the programming

 

 

mode. If you exit and go back into the program Mode within this time limit, the security

 

 

Access Code does not have to be re-entered. This timer starts when leaving the

 

 

Program Mode (by pressing Display etc.).

 

Access Code

A 4 digit code. You must know know this code to change secured Level 1 and Level 2

 

 

values.

 

 

Note: Please record your access code and store it in a safe place. If you cannot gain entry

 

 

into parameter values to change a protected parameter, please contact Baldor. Be

 

 

prepared to give the 5 digit code located on the lower right side of the Keypad

 

 

Display at the Enter Code prompt.

 

 

 

MOTOR DATA

Motor Voltage

The rated voltage of the motor (listed on the motor Nameplate). The value of this parameter

 

 

has no effect on the output voltage to the motor.

 

Motor Rated

The rated current of the motor (listed on the motor Nameplate). If the motor current exceeds

 

Amps

this value for a period of time, an Overcurrent fault will occur. If multiple motors are used on

 

 

one control, add the Motor Rated Amps for all motors and enter this value.

 

Motor Rated

The rated speed of the motor (listed on the motor Nameplate).

 

Speed

If Motor Rated SPD = 1750 RPM and Motor Rated Freq = 60 Hz,

 

 

the Keypad Display will show 1750 RPM at 60 Hz and 850 RPM at 30Hz.

 

Motor Rated Freq

The rated frequency of the motor (listed on the motor Nameplate).

 

Motor Mag Amps

The motor magnetizing current value (listed on the motor Nameplate) also called no load

 

 

current. If multiple motors are used on one control, add the Motor Mag Amps for all

 

 

motors and enter this value.

 

 

 

BRAKE ADJUST

Resistor Ohms

The dynamic braking resistor value in ohms. Refer to MN701 (dynamic braking manual) or

 

 

call Baldor for additional information. If dynamic braking is not installed, enter zero.

 

Resistor Watts

The dynamic braking resistor watts rating. Refer to dynamic braking manual or call Baldor

 

 

for additional information. If dynamic braking is not installed, enter zero.

 

DC Brake

The amount of DC braking voltage applied to the motor windings during a stop command.

 

Voltage

Increase this value for more braking torque during stops. The increased braking voltage

 

 

may cause the motor to overheat for applications that require frequent starts/stops. Be

 

 

careful in selecting this value.

 

 

The maximum DC Brake Voltage = (1.414)X(Max Output Volts).

 

 

Max Output Volts is a Level 1 V/HZ and Boost parameter value.

 

DC Brake FREQ

The output frequency (to the motor) at which dc injection braking will begin.

 

Brake on Stop

If set to ON, DC injection braking will begin when a stop command is issued. After a stop

 

 

command, the DC brake voltage will be applied to the motor windings when the output

 

 

frequency reaches the DC brake frequency.

 

Brake on

If set to ON, DC injection braking will begin after a change-motor-rotation command is issued.

 

Reverse

After a stop command, the DC brake voltage will be applied to the motor windings when the

 

 

output frequency reaches the DC brake frequency. Braking continues until the motor is

 

 

stopped. The motor will then accelerate in the opposite direction.

4-20 Programming & Operation

MN715

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Baldor Inverter Control, 15H manual Security, Motor Data, Brake Adjust

Inverter Control, 15H specifications

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