Table 4-1

Parameter Block Definitions Level 1 - Continued

Block Title

 

Parameter

 

Description

 

 

 

 

 

 

 

 

 

OUTPUT Continued

 

Analog Output

 

Two Analog outputs may be configured so a 0-5VDC (0-10VDC or 4-20mA with High

 

 

#1 and #2

 

Resolution EXB) output signal represents one of the following conditions:

 

 

 

 

Condition

Description

 

 

 

 

Frequency -

Represents the output frequency where 0VDC = 0 Hz and +5VDC =

 

 

 

 

 

MAX Hz. (Slip frequency compensation is not included.)

 

 

 

 

Freq Command - Represents the commanded frequency where 0VDC = 0 Hz and

 

 

 

 

 

+5VDC = MAX Hz. (Slip frequency compensation is not included.)

 

 

 

 

AC Current -

Represents the value of the output current where 0VDC = 0A and

 

 

 

 

 

+5VDC = Level 2, Motor Data, Motor Rated Amps value.

 

 

 

 

AC Voltage -

Represents the value of the output voltage where 0VDC = 0 VAC

 

 

 

 

 

and +5VDC = Control Input Voltage.

 

 

 

 

Torque -

Represents load torque where 0V = –100% torque (rated torque),

 

 

 

 

 

and +5V = 100% torque (rated torque).

 

 

 

 

Power -

Represents motor power where 0V = –100% rated power, and +5V =

 

 

 

 

 

100% rated power.

 

 

 

 

Bus Voltage -

Represents motor power where 0V = 0VDC and 2.5V = 325VDC for

 

 

 

 

 

230VAC input (650VDC for 460VAC input).

 

 

 

 

Process Fdbk - Represents the process feedback input where 0V = –100%

 

 

 

 

 

feedback, and +5V = 100% feedback.

 

 

 

 

Setpoint CMD - Represents Setpoint Command input where 0V = –100% command,

 

 

 

 

 

and +5V = 100% command.

 

 

 

 

Zero Cal -

Output is 0VDC and can be used to calibrate an external meter.

 

 

 

 

100% Cal -

Output is 5VDC and can be used to calibrate full scale for an

 

 

 

 

 

external meter.

 

 

Analog Scale

 

Scale factor for the Analog Output voltage. Useful to set the full scale range for external

 

 

#1 & #2 -

 

meters.

 

 

 

 

 

Note: Each analog output can be overscaled. 0V= –100%, 2.5V= 0% and 5V=

 

 

 

 

100%. The linear equation for this is:

 

 

 

 

T(%)=

100% x (V – 2.5V)

 

 

 

 

 

2.5V

 

 

 

 

so at 8V, T%=220%. If a value were scaled over the 5V range, 8V would

 

 

 

 

represent 8/5 x 100%=160%.

 

 

Overload SP

 

Motor overload setpoint is set as a percent of peak RMS motor current. If peak RMS

 

 

 

 

motor current is greater than this preset, a Digital output is set (if programmed). This

 

 

 

 

option sets an output (Digital Out 1, 2, 3 or 4) when the motor is overloaded.

 

 

Underload SP

 

Motor overload setpoint is set as a percent of peak RMS motor current. If peak RMS

 

 

 

 

motor current is less than this preset, a Digital output is set (if programmed). This option

 

 

 

 

sets an output (Digital Out 1, 2, 3 or 4) when the motor is underloaded.

 

 

 

 

 

 

4-16 Programming & Operation

MN715

Page 65
Image 65
Baldor Inverter Control, 15H manual 100% rated power

Inverter Control, 15H specifications

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