gefran TPD32-EV-...-4B - Drive Used as an Unwinder - Unwinding Side = down

—————— Instruction manual ——————
355
4. Drive used as an unwinder – unwinding side = down
M
W[+]
DRIVE
R
Line speed
T[-]
M
Nip roll
Unwinder
Winder side=Down
Wind/unwind=Unwinder
Figure 6.17.16: Drive used as an unwinder – unwinding side = down
Ifthespeeddemandfunctionisused,thesystemcreatesapositivespeedreference;itisthereforenecessary
toconnectthemotorsothat,withthispolarity,thecoilunwindsthematerialstartingfromthelowerside.The
unwindingtorqueisnegative.