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  1. PLC DEVICE NET

    how to use device net in FX5U SERIES PLC WITH FANUC ROBOT DEVICE NET CARD A20B-8100-0490 /03B
  2. PWTech is a rapidly growing company specializing in wastewater treatment equipment. We are currently hiring for a Controls Engineer. This is a full time position with some travel required. Requirements: 3-5 years experience Proficient with Allen Bradley MicroLogix, CompactLogix PLCs, PanelView HMIs Proficient with ladder logic programming Proficient with basic electrical theory, control systems and electronics Familiarity with NEC, with special focus and understanding of articles 409, 430 A high level of proficiency in written/spoken English Familiarity with Unitronics PLC/HMI is desired but not required Duties will include: Producing control panel submittal and as-built layout drawings, components lists, and line diagrams Selection and integration of sensors, motors, control systems and other mechanical and electrical equipment. Coordination with internal and external project engineers to resolve electrical and control questions and issues Programming, modifying and troubleshooting Allen Bradley and Unitronics PLCs and HMIs Providing assistance and remote support to field personnel Maintaining inventory of long lead items for warranty and project purposes. Location: Rosedale, MD (outside Baltimore) Technologies: 50% Allen Bradley 50% Unitronics. Salary: 95k-105 depending on experience. Higher if you have >10 yrs experience. Contact: Kreal@pwtech.us
  3. Hi guys I have an control logix plc im looking for a module which is the same as 1769-ascii module. I know that module is for compact logix. Unfortunately i didnt find a good one for that purpose.  Anybody can help with that ? Thanks ahead.         
  4. Mitsubishi Fx2n Modbus rtu vfd

    Hello everyone, may you all bless with the best. Can anyone please help me on connecting and programming In Modbus rtu INVT CHF-100A vfd with FX2n having rs485-bd module. I want to connect 11 vfd and one fx2n plc also .
  5. Mitsubishi Fx2n Modbus rtu vfd

    Hello everyone, may you all bless with the best. Can anyone please help me on connecting and programming In Modbus rtu INVT CHF-100A vfd with FX2n having rs485-bd module. I want to connect 11 vfd and one fx2n plc also 
  6. Hi, I have to implement an axis control in a NX1P2 PLC using an inverter (3G3MX2) and an encoder cabled on a EC0122 board. I found something similar implemented  on a CJ2M PLC, but I have no idea how to set up the axis in the configuration of sysmac studio and how to implement the control. Can someone help me? Some sample to catch out the configuration?   Thanks a lot Andrea
  7. FX5U Shift Dword

    I read the max value from a encoder SD4502. In the label I have sign the SD4502 as double word. If the trigger ( X10) is high then the value is counting in SD4502.  If the trigger flange is going down I puls with DHCMOV the value from SD4502 to D0. Now I will storage this data like shifting but it is only working on 16 bit. Is any one that can help how I can solved for 32 bit? I have tryit with commando sfr, SFL or BSFR,BSFL and also SHR_E. measuring on belt.gx3
  8. I'm modifying an STL program I wrote some years ago. I need to split an STL sequence (to let the first part restart while the second part runs on). The original POU runs from STL S100 to STL S138 in steps of 2 and the STL sequence ends in a RETSTL instruction. The modified program ends at STL S134 with a RETSTL instruction followed by the new sequence which runs from STL S140 to STL S146 and ends with another RETSTL. This modification causes the PLC to fault with error code 33E7 - Program structure error. Can anyone explain what's causing the error and suggest a fix or workaround? Many thanks.
  9. hi everyone, I'm using 3g3mx2-a4022-v1 inverter, and to control the inverter, I decided to use the 3-wire input function & control the inverter from touch screen nb7w-tw01b, connected to cp2e-n60dr-a. now i already followed the manual on how to set it up. however, the inverter didn't run as expected. have i missing any step in setting up the 3-wire input function? currently i've set the c001 => 20, c002 => 21, c003 => 22, a002 => 01. is there any setting that i've missed? thanks in advance 
  10. ello I have a powerflex 400 of 25HP for a 60amp 25HP motor, the motor have a belt that move the clarifier of milk. It is a process that requires strength to move.So I try with the motor without the clarifier the vdf works well with a constant amp of 12 to the max of 50hz that is set up with a ramp of 600 sec.Then I try with the belt that move the clarifier... The vdf start the ramp with a wird amp behavior like 10 sec 100 amp and then 13 amp for 10 sec.When it gets to 50hz (the max) it starts the same behavior 13 amp when it reach the max RPM and when it decrease a little bit it gets 100 amp to get to the max RPM again.In this vdf powerflex 400 I didn't see the % of torque options that the last one Fuji had.Someone told me that powerflex 400 is not for power processed, they are focus in pumps and blowers more alike, and that I need a vdf vectorial like a powerflex 725.What do you think...PD: as the 100 amp is like 10 sec the protections dont show up. PD: I made a try with water and hot water, in that point with the max hz  (and 6800rpm) when the hot water start to flow the amp gets constant in 75 amp, but the motor dosnt get to the 6800 rpm again it just keep trying in 6700rpm and it mantains the 75amp triggering the motor protection for overload.
  11. Hi all, New to the forum. I've been pretty much able to do the things I wanted with Beckhoff, but now I'm finally running into a problem I can't seem to solve alone. I'm trying to set-up Modbus RTU RS485 communication in Twincat3, using an EL6021. I've implemented a sample program from the Beckhoff website, but can't get it to work. I've got the feeling I need to properly set up the EL6021 but most information on the Beckhoff website is about the KL-series IO. Does anybody have experience with this? The strange thing is that, when I enable the function to read some slave's registers, BUSY is set and remains set. No timeout is triggered. I don't have a slave connected yet but I would at least expect to see something on the output of the terminal, and then a timeout. I've bridged TxD+ and RxD+, and TxD- and RxD- and set 8000:06 of the EL6021 TRUE, half duplex mode enabled). A scope connected to TxD+ and TxD- shows nothing. Code added below. I've added a GVL called 'Variable_Configuration' with the following: VAR_CONFIG     Main.MB.InData AT %IB0 : MB_KL6inData5B;     Main.MB.OutData AT %QB0 : MB_KL6outData5B; END_VAR And then the MAIN: PROGRAM MAIN VAR     bIoSyncMaster AT %I* : BOOL;     MB : ModbusRTUmaster_KL6x5B;     MBLedDriver : ARRAY[1..10] OF WORD;     tmpExecute : BOOL;     bError : BOOL;     bBusy : BOOL;     iErrorId: MODBUS_ERRORS;     iNoDatByteRead: UINT;     count: INT;     freebyte: INT;     TxError: INT;     TxBlocked: BOOL; END_VAR MB(     UnitID:= 41,     Quantity:= 4,     MBAddr:= 16#0020,     cbLength:= SIZEOF(MBLedDriver),     pMemoryAddr:= ADR(MBLedDriver),     Execute:= tmpExecute,     Timeout:= T#5S ,     BUSY=> bBusy,     Error=> bError,     ErrorId=> iErrorId,     cbRead=> iNoDatByteRead);      MB.ReadRegs(); count := MB.MBMaster.com.Buffer.Tx.count; freebyte := MB.MBMaster.com.Buffer.Tx.FreeByte; TxError := MB.MBMaster.com.Buffer.Tx.Error; TxBlocked := MB.MBMaster.com.Buffer.Tx.Blocked; tmpExecute:=FALSE;    
  12. RS485 with CX7080

    Hello i'm newbie. I have a problem with RS485 on CX7080. Busy always True and data=0. I don't know the reason. Please help me! Thank you!
  13. Axis Permanent Control

    Hi Guys, How can I bring an axis into permanent control? that as soon as a value changes, the axis reacts. My Hardware FX5U, FX5SSC MR-JE-20B. Thanks a lot.
  14. Werking PID regeling

    Beste allen,  Voor een temperatuurregeling om een watertank om product op de juiste temperatuur te krijgen en te houden voor een aantal minuten. Wil ik een PID regeling toepassen, want volgens mij is dit de beste methode om zoiets toe te passen Of heb ik dit verkeerd?  Een situatie schets is: Er komt product in een watertank. Dit wordt doormiddel van water en stoom verwarmt naar 120 graden. Hier 20 min gehouden en dan terug gekoeld naar 30 graden.  Hoe kan ik het beste mijn PID regeling maken om zo snel mogelijk op de 120 graden te komen en daar stabiel te laten blijven? Bij het afkoelen mag het Delta T verschil niet groter zijn dan 50 graden anders gaat het product kapot.  Ik heb wel wat ervaring met het programmeren van plc's, maar nog nooit een PID regelkring toegepast.  Vandaar mijn vraag hoe werkt zo'n regeling precies. Ik heb wel wat filmpjes bekeken hoe je het kan programmeren. Maar voor mij is het niet duidelijk wat er nauw precies gedaan werd en waarom. Kunnen jullie mij dit  uitleggen, zodat ik het begrijpen ga?   Er wordt gebruik gemaakt van een fx5u plc, geprogrammeerd in gx works 3 en een got 1000 scherm om de data te lezen en te schrijven.  Warm water is een open/dicht klep. Koud water en stoom zitten een regelklep van 4 - 20ma in het leidingwerk.  Ik wacht in spanning af.    Groeten A. J    
  15. How long  could be INT array. For example can I build INT[365] or DINT[365]? When I use more than [32] my controller fails. Thanks. 
  16. I'm making some changes to a project at a customer's site using all the same software, etc., that I created it in. I only use GX3 for this project so I'm not an expert. When I try to transfer I get ... ... immediately followed by ... Now I've got a red ERR light, P.RUN is blinking and we're out of production for a few hours. The error flags M8060 to M8069 are all zero. It may be related to two function blocks at the end of the transfer but the F4 Rebuild All function works fine. Can anyone help? Thanks!
  17. Hello Guys, I have a problem with my Screenbuttons, if i push them, my drive moves only an Impulse. I see on the Simple-Motion Module that the Signal is during pushing the screenbutton is active, but the Axis moves only an Impulse. In example M400 is for drive the 2nd Axis to the right side and M405 for the left side. My Hardware is: FX5U, GOT2000 (GT2505HS-VTBD)
  18. Hi everyone, To explain the problem a little bit: I have 2 systems that are equal, they have 1 PLC, 1 Inverter and 1 Servo Axis (Image01). The devices are connected via EtherCat. The thing here is tht in these systems the PLC and Servo Axis is the same but the inverter is different. My goal is to have the same project on both systems and depending on the inverter detected use the correct program. What worked: If I add the 2 Inverters and 2 Servo Axis on the project on different nodes (Image02), I can detect which is present using the variable _EC_EntrySlavTb[n]. My issue is that if I want to make more replicas of the systems using different inverters I will eventually hit the Axis Number limit for the PLC while in reality I am only using on Servo Axis at a time. What I wanted: I would like to be able to control 1 Servo Axis with 2 different inverters (only one active per PLC) (Image03). What I tried: The axis parameters can be set using a variable of the type _sAXIS_PARAM, however it seems that the option to change the axis basic settings is not available (Manual: NJ/NX-series Motion Control Instructions Reference Manual (W508) page 5-58) (Image04). The axis basic settings is where the definition of the output device plus control words are set (Image05). Is there a work around to solve this issue? I would really like to avoid having to manually change the output device for the Servo Axis every time I make an update on all the systems.   Best Regards, BR  
  19. simple motion cam curve

    Good afternoon, I have a problem in an application for a rotary knife, I'm using a MR-JE-B servo to make this movement, while my material is powered by an inverter connected to a modbus rs485 network, with a 5v encoder connected directly in motion. I'm having some problems and I think it's my cam curve. I have a very high refeneration, and the system doesn't obey the size of the length I want the cut. It always cuts the same size, regardless of the configuration I use, it always cuts to 245mm. Put some photos, how are my settings. Grateful in advance, if anyone can help me. Dover_roll_1-Motion-configuração_jog_manual.gx3
  20. FX5U and SEW inverter over profibus

    Hi, I am not very experienced with PLC's. Now I should control a few SEW movitrac inverters with a profibus connection. The PLC is an FX5U with an FX5U-DP-M communication module. I managed to get the network settings up and running. But I don't know how to make a program to control them. Would anyone have a sample program that could help me to get strarted?
  21. Greetings everyone, I have a TIA V16 project in which I set up 7 drives to communicate with an S7 1500 controller via RS485 using USS protocol. The drives are Simatic V20s daisychained to the bus and are properly terminated with resistors. I use the USS DRIVE CONTROL 31 function block for each drive all located in a single FC and all using the same single instance DB as recommended by Siemens. I then call this FC containing the FBs every 120ms from the MAIN OB. I then call the USS PORT SCAN 31 function in a cyclic OB set at 70ms cycle time. In each V20 i use PZD word length of 2 and a PKW of 4. Both setpoint and commands are sent through USS. What I have observed is every time take out incoming power to any one of the VFDs, the rest of them get F72 comms error and fail to communicate with the PLC. Is this behaviour normal? What causes it? I use an RS485/ 422 PtP BA module sending data at 19200bps. Strangely enough it doesn't show any fault even though the diagnostics interupt setting is enabled on it. What I noticed is that as I was setting up the VFDs one by one, the F72 fault on the BOPs only pop up on an already configured drives. So, the VFDs that hadn't been commissioned yet for RS485, but were already physicaly terminated/ connected to the PLC, didn't fault the bus when they were powered down. They only faulted the bus upon switching them off only after RS485 activation (post commissioning).
  22. I did a lot of research for being able to control my Mitsubishi FX-5U PLC. I want to control it over network using SLMP with 3E frame messaging, but I am unable to understand the message frame. I am referring this manual. But despite spending days I haven't been able to understand how to control the PLC using SLMP. I understand that if I use this message frame, I will be able to read data on D200 register, and it does work successfully. 50 00 00 FF FF 03 00 0C 00 10 00 01 04 00 00 C8 00 00 A8 01 00 But, I just don't understand, how to access and control the devices on X and Y. Lets say I have to read data from all inputs (X) or write data to all/few output (Y) at once. I tried resolving this issue by trying to write to outputs, Y1 and Y2, and set them to high, but it doesn't work (Below frame is in ASCII format) 50 00 00 FF FF 03 00 0D 00 00 10 14 01 00 01 Y* 00 00 01 00 02 11 I know I am doing it wrong, so want to know really what am I doing wrong
  23. Good morning guys,  in your experience what is the best way to syncrhonize a motor controlled in speed with an inverter and a motor controlled in position with a servo drive? Let me explaine better what is my situation: I have a belt running normally at a certain constant speed. in some moments, I would like to syncrhonize the speed according to an axis controlled from a servo. the command of a servo specific position target and of course speed and acceleration e deceleration rate. I would like to adjust the belt speed in way to follow as accurately as possible the servo movement. Thanks a lot Andrea    
  24. FX5U Modbus communication

    Hello, It is necessary to manage 34 inverters via serial communication RS485. If a Modbus protocol is used according to the documentation, only one RS485 channel can be master. Then the maximum number of inverters will be 32. Can anyone share their experience on this case? Thanks in advance to all those who participated!
  25. NX1P2 Motion Control

    Hi:       I need to change an old PLC  with NX1p2  to control 3 servo motor by means of Analog Outputs couple with encoders, My job is to change the PLC only. So the servo drives and drivers are untouchable (No budget and involve too much mechanical works).   I observed that Sysmac Sttudio Axes setting has this: Servo Axes, Encoder axes, Virtual Servo Axis and Virtual Encoder Axes.   I believe the Encoder Axes couple with Analog Output is able to to do the Job? If so, what function block should i use? If no, do any body have a suggestion of any function block i can use? Thanks