Technical Manual, RT-EX-9043D, v2.03 Introduction The EX9043D MODBUS I/O Expansion module is a high-quality and low-cost add-on data acquisition device that allows expanding the on-board digital output capabilities on X32-based RTCU units almost indefinitely and completely transparent using MODBUS communication protocol.
Technical Manual, RT-EX-9043D, v2.03 Table of Contents Introduction ..............................2 Table of Contents ............................3 Graphical view ............................... 3 Pin Assignment .............................. 3 Default Settings ............................5 LED Indicator ............................5 INIT Operation (Configuration mode) ......................6 Wire Connections ............................7 Digital Outputs: ............................
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Technical Manual, RT-EX-9043D, v2.03 Name Description DO10 Digital output 10 DO11 Digital output 11 DO12 Digital output 12 DO13 Digital output 13 DO14 Digital output 14 INIT* Pin for initialization of the configuration routine (Y) DATA+ RS485+ data signal (G) DATA-...
Technical Manual, RT-EX-9043D, v2.03 Name Description Digital output 5 Digital output 6 Digital output 7 Digital output 8 Digital output 9 Please refer to the section “Wire Connections” for correct wiring to the external device/sensor. Default Settings Name Description Baud rate...
Technical Manual, RT-EX-9043D, v2.03 INIT Operation (Configuration mode) The module has a build-in EEPROM to store configuration information such as address, type, baud rate and other information. Sometimes a user may forget the configuration of the module, or simply need to change it.
Technical Manual, RT-EX-9043D, v2.03 Wire Connections Digital Outputs: When connecting a device to the digital outputs please follow the wiring scheme below: DO14 Please note that when connecting inductive load to the digital outputs a diode needed to prevent counter EMF.
Technical Manual, RT-EX-9043D, v2.03 Appendix A – Using the module as I/O extension in the RTCU IDE To be able to use the MODBUS I/O Expansion module as an I/O extension, the RTCU IDE project needs to be configured correctly, by entering the correct parameters for the expansion module into the “I/O Extension device”...
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