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2-3
Part 2: Interfacing and Configuring
SE C T I O N 2 . 1
Logic Interface and Connection
Optically Isolated Logic Inputs
The MDriveAC Plus
Microstepping has three
optically isolated logic
inputs which are located
on connector P1. These
inputs are isolated to
minimize or eliminate
electrical noise coupled
onto the drive control
signals. Each input is
internally pulled-up to
the level of the optocou-
pler supply and may be
connected to sinking or
+5 to +24 VDC sourcing
outputs on a controller or
PLC. These inputs are:
1] Step Clock (SCLK)/Quadrature (CH A)/Clock UP
2] Direction (DIR)/Quadrature (CH B)/ Clock DOWN
3] Enable (EN)
Of these inputs only step clock and direction are required to operate the MDriveAC Plus Microstepping.
Isolated Logic Input Pins and Connections
The following diagram illustrates the pins and connections for the MDriveAC Plus Microstepping family of prod-
ucts. Careful attention should be paid to verify the connections on the model MDriveAC Plus Microstepping you
are using.
Figure 2.1.1: Isolated Logic Pins and Connections
Opto Ref.
Step Clock
Direction
Enable
Power
Microstep
Driver
Enhanced
Torque
Stepping
Motor
MDriveACPlus Intergrated
Motor and Microstep Driver
ØA
ØB
Figure 2.2.1: MDriveAC Plus Microstepping Block Diagram
Pin 1: Optocoupler Reference
Optocoupler Reference: Violet
Enable: Red
Direction: Yellow/Brown
Step Clock: Gray/Brown
Pin 2: Enable
Pin 13: Direction
Pin 18: Step Clock
P1: I/O
MD-CS10x-000 Wire Color Reference
A
Inputs Configured as Sinking
+5 to +24VDC
A
A
Inputs Configured as Sourcing
Controller I/O
Ground