Rockwell Automation MD65 User Manual Version 2.0 - Manual (Page 98)

9-44 MD65 AC Drive User Manual
Sets the time the drive remains at minimum frequency before the
relay or an opto is energized and the drive ramps to the
commanded frequency.
The relay or opto is typically connected to a user-supplied
electromechanical brake coil relay. Set Stop Mode (P037) to 8
“Ramp+EM B,CF” or 9 “Ramp+EM Brk” to enable the
electromechanical brake option.
Set Relay Out Sel (A055) and Opto Outx Sel (A058 or A061) to 22
“EM Brk Cntrl” to control brake operation.
Sets the time the drive remains at minimum frequency before the
relay or an opto output is de-energized and the drive stops.
A160 EM Brk Off Delay
Range: 0.01 to 10.00 sec
Default: 2.0 sec
See also: P037
Figure 9.14 – EM BRK Off Delay
Frequency
Time
Minimum Freq
A160 [EM Brk Off Delay] A161 [EM Brk On Delay]
Stop
Commanded
Start
Commanded
EM Brk
De-Energized (On)
Drive Stops EM Brk
Energized (Off)
Ramp Accel
Ram
p D
ecel
A161 EM Brk On Delay
Range: 0.01 to 10.00 sec
Default: 2.0 sec
See also: P037