Step Motor Control Kit
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Congratulations! Your FMI Step Motor Control Kit SCST-01 is a complete control package designed specifically for FMI pumps with step motors. Its small in size but big in performance and provides a quick method to run your pump today. Quick Start Instructions Your controller is initially set to provide 320 strokes/minute for motors P/N 110745 and 110746 for motor P/N300615, the controller is set to provide 150 strokes/minute. Dispense and other speed settings are easily set by following the detailed instructions on the following pages. 1. Connect harness J1 & J2 to appropriate connectors on board. The black and white wires from J1 connect to the power supply. White (or black with white lettering) is the positive lead while solid black is negative. *Connect DIP Switch Assembly to Header J3 (Pin 1 to red stripe) DO NOT TURN POWER ON 2. Connect motor wires to terminal block J1 according to the following chart: Table1. > Motor Lead Color for StandardSTRH/STH/STQ/SQ pumps STRH/STH/STQ/SQDuplex > Screw Terminal ColorMotor Phase Motor P/N 110746 (NEMA 23 Frame) Motor P/N 110745 (NEMA 17 Frame) Motor P/N 300615 (NEMA 23Frame) Yellow A Yellow and Black Yellow Orange & White w/Black Stripe Red A Red and White Red Black & White w/Orange Stripe Brown B Blue and Orange Orange Yellow & White w/Red Stripe Orange B Green and Brown Blue Red & White w/Yellow Stripe 3. Connect pump sensor leads to J2 according to color i.e. Red to Red, etc. 4. Turn on power and pump will start running at the 320 strokes per minute factory setting. Note: See 4.1 page 6. *Basic Boards use jumper pin connector shunts instead of DIP switch. > IN-SCST-01-08 1 size="-3">

http://www.fmipump.com 1.0 Description The SCST-01 is a self-contained step motor controller specifically designed for use with Fluid Metering pumps. It contains its own step drivers and can be set to several run modes utilizing either internal or external controls. 1.1 Features Pre-set Run Modes Multiple Control Methods: PLC, Relay, 0-5 VDC, or Manually by shunt Dispense, Run Sensor Enable/Disable 2.0 Run Modes The SCST-01 step motor controller can be used to drive any FMI stepper driven (STH, STQ) pumps in any of the following modes. 2.1 Continuous (Constant Run) Mode Your Kit comes...

http://www.fmipump.com 2.21Actuation For Dispense Dispense Actuation is handled by Pins 3 & 4 on the J2 Terminal Block by providing a momentary contact (switch closure, PLC, Relay, Mechanical Timer) of the 2 yellow wires. The minimum closure time that this input can see is 30 milliseconds (0.030 sec). DO NOT APPLY ANY VOLTAGE to this input! 2.3 Timed/Count Dispense (Pin Shunt use only) The pump will begin dispensing until both pins of pin set 9 on J3 are shorted together. This will cause the pump to stop. Pin set 9 can be shorted by using any counter or timer that can control a SPST type...

http://www.fmipump.com 3.1 POWER Header - J1 The POWER header section (J1) is used for input power and output to the stepper motor phases. This is a 0.156 pitch 6 pin header connector which has the following pinout:Pin # 1. Power supply minus lead (V-) connection. 2. Power supply plus lead (V+) connection. 3. Connection to phase B of the stepper motor. 4. Connection to phase B (B bar) of the stepper motor. 5. Connection to phase A of the stepper motor. 6. Connection to phase A (A bar) of the stepper motor. 3.2 CONTROL Header - J2 The CONTROL header section (J2) is used for optical sensor...

http://www.fmipump.com 3.3 SPEED Header - J3 The SPEED header section (J3) is used for speed settings, number of dispense settings, and switching between stall detect (sensor) and non-sensor mode. This is a dual row 0.100 pin header. Functions are actuated by means of connecting pins using industry standard shunts or by DIP Switch Assembly. This header contains the controls for speed settings, stall detect enable, and number of dispenses. The pinout for this connector is as follows: 1. Speed - 10 rpm 2. Speed - 20 rpm 3. Speed - 40 rpm 4. Speed - 80 rpm 5. Speed - 160 rpm 6. Speed - 320 rpm...