SD7540A Stepper Drive
20 Gear Drive, Plymouth Industrial Park, Terryville, CT 06786
page: 9
Tel: (860) 585-1254 Fax: (860) 584-1973 Web: www.amci.com
ADV ANC ED
MIC RO CON T RO L S INC.
INSTALLATION
SD7540A Outline Drawing
The Indicator LED is on when power is applied to the drive and there is no motion. When the
SD7540A is accepting a pulse train input, the LED blinks at the same frequency as the
pulses being applied to the STEP input.
2.66"
(67.6)
2.96"
(75.2)
0.94"
(23.9)
2.20"
(55.9)
2.31"
(58.7)
1.84"
(46.7)
0.166"
(4.22)
dia.
Four places.
Motor Input Connector (6 Pins)
Mates with AMCI #: MS-6P
Phoenix Contact #: MC1,5/6-ST-3,81
Indexer Input Connector (8 Pins)
Mates with AMCI #: MS-8P
Phoenix Contact #: MC1,5/8-ST-3,81
0.125"
(3.18)
1 2 3 4 5 6 7 8
Pin 1 +Vdc
Pin 2 Vdc Common
Pin 3 – Disable
Pin 4 + Disable
Pin 5 – Step
Pin 6 + Step
Pin 7 – Direction
Pin 8 + Direction
Pin 1 N.C.*
Pin 2 + A
Pin 3 – A
Pin 4 + B
Pin 5 – B
Pin 6 N.C.*
* No Connection (N.C.) Pins are
electrically isolated. These pins
can be used to land additional
wires of a six or eight lead motor.
( ) = Dimensions in millimeters
+
V
IN
–
V
IN
–
D
IS
+
D
IS
–
S
TP
+
S
TP
–
D
IR
+
D
IR
N
.
C
.
N
.
C
.
0.27"
(6.9)
1 2 3 4 5 6
0.27"
(6.9)
Indicator LED
+
–
+
A A B
–
B
