Baldor MN850, Baldor manual Motor Reversing Connection, To AC Input

Reversing Contactor For this mode, the Stop Time must be set to zero. Also, allow a minimum of 350 milli

seconds between the Forward and Reverse commands.

Figure 2-7 Motor Reversing Connection

To AC Input

					Forward				Reverse
					Contacts			MI	Contacts
To protect the control, be sure to add MOV protection.
Refer to Appendix D for additional information.
115/230VAC								MI - Mechanical Interlock
Fuse	Neutral
				X1		L1	L2	L3
	Forward	R	F	X2
				S1
		F					Baldor
	Reverse		R	S0
			Note 1				Digital
		R		14
							Soft–Start
				11	K1				Note 1: Add appropriately rated protective
				12
		F
									device for AC relay (snubber)
				24
						K2 is factory preset			or DC relay (diode).
				21	K2
						as the •Top of Ramp" function.
				22
* External hardware not provided with control.						T1	T2	T3

See Recommended Tightening Torques in Table 2-4.

MN850 Installation 2-11