Baldor MN1851 manual Holes in the top and bottom, Enclosure are for cable clamps. Be sure

Figure 3-10 Connector Locations (Three Phase Controls)

X1 - Power Connector			The holes in the top and bottom of the
			enclosure are for cable clamps. Be sure
PE	Earth		to use an M4 bolt 12mm in length.
L1	Phase 1 Input	Input Power	Longer bolts may short circuit the
L2	Phase 2 Input
			electrical components inside the control.
L3	Phase 3 Input
U	Motor lead “U”	Motor
V	Motor lead “V”
W	Motor lead “W”
R1	Dynamic Brake	Dynamic Brake
R2	Dynamic Brake	(Regen Resistor)
+24V	Customer	LPxAxxxx-xxx3
0V	Provided
		only 

Terminal tightening torque is			X9 - Encoder Input
0.5 lb-in (0.6Nm)	1		CHA+	9	Hall 3+
	2		CHB+	10	Hall 2+
	3		CHC+	11	+5VDC
	4		Hall 1+	12	Reserved
	5		Hall 1–	13	DGND
		6	CHA-	14	Hall 3–
		7	CHB-	15	Hall 2–
		8	CHC-

X3 - Control Signals & Digital I/O			X6 - RS232 / 485
			RS232		RS485
1	CMD+
		1 Reserved		1	TX-
2	CMD-
		2	Rx Data	2	TX+
3	AGND
		3	Tx Data	3	RX+
4	Fault Relay+
		4	DTR	4	RX-
5	Fault Relay-
		5	DGND	5	DGND
6	CIV
		6	DSR	6	RTS-
7	CREF
		7	RTS	7	RTS+
8	CGND
		8	CTS	8	CTS+
9	Enable
		9	+5V	9	CTS-
10	MaI3
11	MaI4
12	Hold		X7 - Encoder Output
13	Fault Reset	1	CHA+	6	CHA–
14	Home Flag
15	Trigger	2	CHB+	7	CHB–
16	MaI1	3	CHC+	8	CHC–
17	MaI2	4	Reserved 9		Reserved
18	MaO1	5	DGND
19	MaO2
20	DrOK
		Note: Reserved means no connection is required
			and no connection should be made to this
 Important:			terminal. It is reserved for future use.

LPxAxxxx-xxx3 only.

A separate 24VDC supply to the “Logic Power” input is required for

operation. An LPxAxxxx-xxx3 control will not operate without 24VDC on this input.

MN1851 Receiving & Installation 3-9