Rev 20.11.2019 V1.07 - Page 2 Subject to modifications!
romutec Steuer.-und Regelsysteme GmbH Jochsberger Straße 39 D-91592 Buch am Wald www.romutec.de
Subject to technical changes
Contents
1 Features and advantages of romod-eco.......................................................................................................3
2 General information......................................................................................................................................4
2.1 Notes on the operating manual..............................................................................................................4
2.2 Safety information..................................................................................................................................4
3 System description .......................................................................................................................................5
4 Configuration ................................................................................................................................................6
4.1 Hardware................................................................................................................................................6
4.2 Bus connection to MODBus master devices .........................................................................................7
4.2.1 Communication within MODBus master-slave systems..................................................................7
4.2.2 Terminal assignment of the MODBus RTU (RS485) port...............................................................7
4.2.3 Recommended cable types for bus wiring ......................................................................................7
4.2.4 MODBus commands supported ......................................................................................................7
4.3 Configuration registers...........................................................................................................................8
5 Description of available modules for MODBus connection ..........................................................................9
5.1 Digital input module 16 DI eco...............................................................................................................9
5.2 Digital output module with MOSFET outputs 8 DO eco.......................................................................11
5.3 Digital output module with relay outputs 8 DO-R eco..........................................................................13
5.4 Digital input/output module with relay outputs 4 DIO-R eco................................................................15
5.5 Digital output module with relay outputs 4 DO-R eco..........................................................................17
5.6 Analog input module 8 AI eco..............................................................................................................19
5.7 Analog output module 8 AO eco..........................................................................................................21
Appendix........................................................................................................................................................23
A) Technical specifications............................................................................................................................23
B) Dimensions and weights...........................................................................................................................24
C) Wiring diagrams........................................................................................................................................25
Fig. C-1 : romod 16 DI eco.........................................................................................................................25
Fig. C-2 : romod 8 DO eco.........................................................................................................................26
Fig. C-3 : romod 8 DO-R eco.....................................................................................................................27
Fig. C-4 : romod 4 DIO-R eco....................................................................................................................28
Fig. C-5 : romod 4 DO-R eco.....................................................................................................................29
Fig. C-6 : romod 8 AI eco...........................................................................................................................30
Fig. C-7 : romod 8 AO eco.........................................................................................................................31
D) Types and Registers overview:.................................................................................................................32
D1 - Overview of Registers 16DI eco Module............................................................................................33
D2 - Overview of Registers 8DO eco and 8DO-R eco Module..................................................................35
D3 - Overview of Registers 4DIO-R eco Module.......................................................................................36
D4 - Overview of Registers 4DO-R eco Module........................................................................................41
D5 - Overview of Registers 8AI eco Module..............................................................................................43
D6 - Overview of Registers 8AO eco Module............................................................................................45
D7 - Overview of Registers which all modules have in common...............................................................46
