ABB OTM_C Series Installation And Operating Instruction

ABB OTM_C Series Installation And Operating Instruction Manual pdf 20 page image

1SCC303002M0206 l ABB Installation and operating instructions, 34OTM_C rev. F l 210IIIA04132MMMan.Man.MMMan.Man.The motor operator is protected from overloading by a fuse (F1) under the motoroperator. Only use the same type of fuse that is described on the label close tothe fuse.If a new command is given before the switch has reached the position of theprevious command, the fuse (F1) may operate.Figure 6.3 Impulse control6.1.1 Impulse controlWhen using impulse control, the change-over switch is operated by electric impulses. When youpress the control button, the change-over switch is driven to the corresponding position (I, 0, II). Thecontrol impulse must last more than 100ms to take effect. A new command cannot be given untilthe change-over switch has reached the position of the previous command. Figure 6.3 shows theoperation of the change-over switch with impulse control.Figure 6.2 Motor/Manual selection switch in the Motor (M) position3. Operate the motorized change-over switch with the push-buttons or selector switch via impulsecontrol or continuous control.2. Turn the Motor/Manual selection switch to the Motor (M) position, see Figure 6.2.6. OperatingFigure 6.3 Impulse controlI - position0 - positionI+II (_ CL)II -positionI - command II - command 0 - command0I+II (_ CL)0I II>100 ms >100 ms >100 msA04130