Baldor M4000 Series DC Servo Motors

Overview

Brushed DC motors with tachometer and optional brake, possibly with encoder options as well.

Wiring

6-pin connector

Pin	Wire Color	Function
A	red	motor C.C.W. (+)
B	black	motor C.C.W. (-)
C	red	tachometer C.C.W. (-)
D	black	tachometer C.C.W (+)
E	shield [black]	tachometer shield [brake]
F	[black]	[brake]

https://stevenengineering.com/Tech_Support/PDFs/92DC_SERVO_MOTORS.pdf#page=27

9-pin connector

Pin	Wire Color	Function
A	red	tachometer C.C.W. (-)
B	black	tachometer C.C.W. (+)
E	[black]	[brake]
F	[black]	[brake]
G	shield	tachometer shield
H	black	motor C.C.W. (-)
I	red	motor C.C.W. (+)

https://stevenengineering.com/Tech_Support/PDFs/92DC_SERVO_MOTORS.pdf#page=27

11-pin connector

Pin	Wire Color	Function
A	yellow & black	S2 & S3
B	red	S1
C	blue	S4
E	red	motor C.C.W. (+)
F	black	motor C.C.W. (-)
G?	shield	tachometer shield
...

16-pin connector

Pin	Function
A	channel A
B	channel A
C	channel B
D	channel B
E	channel Z
F	channel Z
G	[brake]
H	+5VDC
I	common
J	[brake]
K	encoder shield
L	tachometer shield
M	tachometer C.C.W. (+)
N	motor C.C.W. (-)
O	tachometer C.C.W. (-)
P	motor C.C.W. (+)

https://stevenengineering.com/Tech_Support/PDFs/92DC_SERVO_MOTORS.pdf#page=27

Replacement Parts

6-pin connector

Motor jack: Amphenol MS3102E-14S-06P

Amphenol MS3102E14S-6P

Mating connector: Amphenol MS3106E-14S-06S

Amphenol MS3106A-14S-6S

9-pin connector

Motor jack: Amphenol MS3102E-20-16P

Amphenol MS3102E20-16P

Mating connector: MS3106E-20-16S

Amphenol MS3106E20-16S

11-pin connector

Motor jack: ???

Mating connector: MS3106E-24-20S

Online Resources

Baldor DC Servo Motors & Drives Catalog