GE Industrial Solutions DV-300 DC Drive Users Manual - Manual (Page 325)

DV-300 Adjustable Speed Drives
——— FUNCTION DESCRIPTION ———
6
197
Diam calc Dis
Start (drive)
Torque winder en
Speed = 0
Figure 6.17.11: Coil stop after the automatic switching
Jog function
This sequence is used in particular on unwinders in order to bring the coil material till the first nip roll.
+
-
W reference
Winder side
Start (drive)
Jog T W enable
Diam calc Dis
Diam reset
Figure 6.17.12: Jog function to prepare the machine
Initialize the diameter value as stated above.
Disable the diameter calculation. Enable Jog TW enable.
Use the Start/stop command to carry out the Jog function.
With the Start the motor increases the coil speed till reaching the peripheral speed set in Jog TW speed with
the ramp time Spd match acc.
With the Stop the motor decreases its speed till reaching the 0 speed with the ramp time Spd match dec.
In order to change the rotation direction use the command Winder side.