PiXtend eIO Hardware Manual
7. List of Figures
Figure 1: Topology of the power supply...............................................................................16
Figure 2: Topology of the power supply - typical errors.......................................................17
Figure 3: Bus topology – RS485..........................................................................................19
Figure 4: Bus topology – RS485 – typical mistakes............................................................20
Figure 5: shielded bus cables - shield support....................................................................22
Figure 6: Scope of delivery - PiXtend eIO Digital One Basic (article 800).........................25
Figure 7: Scope of delivery - PiXtend eIO Digital One Pro (article 801)............................26
Figure 8: Scope of delivery - PiXtend eIO Analog One Basic (article 810)........................27
Figure 9: Scope of delivery - PiXtend eIO Analog One Pro (article 811)............................28
Figure 10: Scope of delivery – Cable set – without termination (article 914).....................29
Figure 11: Scope of delivery – Cable set with termination (article 915).............................30
Figure 12: Scope of delivery – RS485-USB dongle (article 132).......................................31
Figure 13: all 16 DIP switches............................................................................................33
Figure 14: DIP Block 2 - CONFIG – bus termination – setting: off.....................................33
Figure 15: DIP Block 2 - CONFIG - Mode – setting: Modbus RTU....................................34
Figure 16: DIP Block 2 - CONFIG – serial configuration....................................................35
Figure 17: DIP Block 1 - ADDRESS – device address, setting: address 0........................38
Figure 18: Disassembly & assembly of the stainless steel cover........................................47
Figure 19: Jumper – digital inputs in the 24 V range..........................................................49
Figure 20: Jumper – analog voltage inputs at the 10 V range.............................................50
Figure 21: Protective earth (PE) connection at the PiXtend eIO “Pro” cover......................51
Figure 22: Protective earth (PE) connection at the PiXtend eIO DIN rail housing
(underside)...........................................................................................................................52
Figure 23: Scope of delivery of a plug-in power supply from our shop..............................54
Figure 24: Connecting the cables to the adapter................................................................55
Figure 25: Supply connection on PiXtend eIO....................................................................56
Figure 26: Connecting the power supply PiXtend eIO........................................................57
Figure 27: 24 V; 2,5 A DIN rail power supply connected to PiXtend eIO.............................59
Figure 28: Test setup - PiXtend V2 -L- as master................................................................63
Figure 29: Test setup - PC with USB-RS485 dongle as master..........................................66
Figure 30: Terminal block - power supply............................................................................75
Figure 31: Principle circuit diagram: connection of the central power supply.....................78
Figure 32: Status LEDs “ERR”, “COM” & “+5V” on PiXtend eIO modules..........................79
Figure 33: Terminal block – RS485 interface.......................................................................82
Figure 34: Principle circuit diagram: connection of the RS485 interface.............................86
Figure 35: Terminal block - digital inputs.............................................................................89
Figure 36: Principle circuit diagram: connection of the digital inputs...................................92
Figure 37: Principle circuit diagram: GND connection.........................................................93
Figure 38: Terminal block - digital outputs...........................................................................94
Figure 39: Principle circuit diagram: connection of the digital outputs................................98
Figure 40: Terminal blocks - analog inputs and outputs......................................................99
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