Gecko Powered Four(4) Motor, Three(3) Axis CNC Machine Tool Controller
Part Number: EMC-XYYZ-GSBX

XYYZ Four(4) Motor, Three(3) Axis, Brushed Servo Motor Controller.
The two Y motors are synchronized for driving a machine gantry at both ends.
Single Ended Encoder Signals
Parallel Port Step and Direction Interface
Internal Power Supply with Toroid Transformer
Unregulated 60 Volt, 10.4 Ampere Output
One (1) 10 ft. Male to Male Parallel Printer Port Cable.

EMC-XYYZ-GSBX Connector Pin Signal Assignments
Servomotor Controller Parallel Port Signal Pin Assignments

Pin 1 Home Mode needs to be high during Home command execution, this synchronizes the two Y motors. When one engages the limit switch it will stop until the other motor also engages it's limit switch.
Pin 2 X Step is normally Low, pulsing High to step the X motor one increment of movement.
Pin 3 X Dir controls the direction of the motors rotation.
Pin 4 Y Step is normally Low, pulsing High to step the Y motor one increment of movement.
Pin 5 Y Dir controls the direction of the motors rotation.
Pin 6 Relay A is normally Low, when High Relay A is turned on.
Pin 7 Relay B is normally Low, when High Relay B is turned on.
Pin 8 Z Step is normally Low, pulsing High to step the Z motor one increment of movement.
Pin 9 Z Dir controls the direction of the motors rotation.
Pin 11 X LIMIT is normally low until the X Limit switch is engage which will make it High.
Pin 12 Y LIMIT is normally low until the Y Limit switch is engage which will make it High.
Pin 13 Z LIMIT is normally low until the Z Limit switch is engage which will make it High.
Pin 14 START must go High for three(3) seconds to enable the servomotor driver modules.
Pin 15 *SERVO FAULT is normally High when motors are enabled and working properly, it will be driven Low on servo fault condition.
Pin 16 *INIT is normally High, driven Low by the Host computer on Reset, thus disabling the motor driver modules.
Pin 17 STOP is normally Low, when driven High by the Host computer it will disable the motor driver modules.
Servomotor Connector with single ended encoder signals pin assignments
One female DB15 connector for each motor, X, Y1, Y2 and Z.

Pin 1 and 9 ARM(-) is normally the Black wire to the motors armature.
Pin 2 and 10 ARM(+) is normally the Red wire to the motors armature.
Pin 3 ENC(-) is the encoder's return line, normally Black wire.
Pin 4 ENC(+) is the encoder's +5 Volts for power, normally Red wire.
Pin 5 PHASE A is the encoder's A channel output, normally Blue wire.
Pin 6 PHASE B is the encoder's B channel output, normally Yellow wire.
Pin 14 LIMIT SWITCH SENSE shorted to return on limit switch being engaged, normally Yellow wire.
Pin 15 LIMIT SWITCH RETURN, normally Green wire.
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Copyright 2016 Dennis Bohlke
Revised 03/12/16