NDC BenchMike Pro 2025 - Fixture Connector

BenchMike Pro Instruction Handbook: Installation 2-11
2.3.7 USB Printer Connector
The USB A connector is for a CUPS-compatible printer.
2.3.8 USB Serial Connector
The USB B simulates a serial port when connected to a P.C.
2.3.9 Ethernet RJ45 Connector
The Ethernet connection uses a telnet connection to send and receive PURL commands and send data.
2.3.10 Fixture Connector
The fixture connector offers two four-bit output ports capable of driving a four-phase stepper motor. Port #1 (Pins
2 – 5) can be used for either a motor port OR open-collector outputs. Port #2 (Pins 7 – 10) can be used for either
for a motor port OR open-collector outputs. Port #1 comes configured from the factory with a motor driver chip
installed. Port #1 and #2 come configured from the factory with motor driver chips installed. Both ports can be
used at the same time. The BenchMike Pro is designed to control both a rotating fixture and a linear fixture at the
same time.
The pin-out for this DB-25 connector is shown below.
Pin Number
Function
1
+12 V
2
Port #1 phase A+ for driving a motor
3
Port #1 phase A- for driving a motor
4
Port #1 phase B+ for driving a motor
5
Port #1 phase B – for driving a motor
6
+12 V
7
Port #2 phase A+ for driving a motor
8
Port #2 phase A- for driving a motor
9
Port #2 phase B+ for driving a motor
10
Port #2 phase B- for driving a motor
11
+5 V
12
Signal ground
13
Signal ground