MNL-1009 REV A
22
Alternately, the QE
Pro
has a serial port for connecting to PCs, PLCs, and other devices with a Windows 32-bit operating system that
support the RS-232 communication protocol. However, this connection method requires an external power supply to power the QE
Pro
, the HR4000 Breakout Box, and a serial cable.
30-Pin Accessory Connector Pinout
The QE
Pro
features a 30-pin Accessory Connector, located on the side of the unit as shown:
Pin #
Function
Input/Output
Description
1
RS232 Rx
Input
RS232 receive signal
–
Communicates with a PC over DB9 Pin 3
2
RS232 Tx
Output
RS232 transmit signal
–
Communicates with a PC over DB9 Pin 2
3
GPIO (2)
Input/Output
General Purpose Input Output
4
-
-
Unused