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Eddie, How did you manage to clear the fault with the Key switch? Did you check using RS logix was it the type 12 code 32 ? So far rockwell are saying - Which won;t work as we need to be able to save the parameters....... QUOTE - "' When a disqualified processor is powered down... it knows...

Working with 1765-L62's and SRM modules using F/w 16.53 Can any tell me is there is a programatic was to force a slave (thats is DISQ) to do the following : Step1) WIPE Current Program Step2) Clear all Major Faults Step3) Initiate Crossload from PRIM PLC Step4) Initiate Sync & Sync This...

DJS- I have been through the Chapter 9 of the 5000 Ref Manual and this does not cover type 12 and doesn;t tell you which handler to use for type 12. Also speaking to Rockwell UK ( they as speaking to rockwell USA).

Speed of change over is fine, the problem occurs when we shut down our sysem as the network switches go down first then the CPU's this kills the redundancy then when you bring the system back up you may or may not get this error depending on which cpu starts first. Usually this error occurs...

That has already been done.

Is there not a small Mitisibusi PLC that accepts a GSM Sim card.

We are using a pair of 1756-L63 Proccessors set up with 1756-SRM redundancy module. main racks constists(2): CPU, Controlnet, ENet, SRM I/O Racks constists(2) : Controlnet,ProsoftModbus Card,SPare,Din,Din,Dout,Ain. One of our hardware techs found out that if the Slave CPU is switched of when...

Some one somewhere must have a PDF file with the list of the most common symbols for circuit diagrams, I had a book (from the IEEIE) when I was at uni that had quite a few typical symbols.

Can any one tell me how to get one of these to work in low light conditions. (Semi darkness) Can they take infra red photos or do you get infra red versions?

You could use an opamp then schimtt trigger Use the opamp to gain the signal up to 0 - 4.5~5v then run it through a schmitt trigger to square it off this would then become a TTL square wave. Andy

Can any one help, I'm looking for source code for the generic Scale routine that comes with the S7-300 range of PLC's. Reason being that I want to edit and change it to improve it so that I can calibrate between any two points rather than fixed points. Andy

We have Cimplicity Plant edition interfaced to Seimens S7-300 PLC through the siemens PCMCIA LINK and an OPC server called Merz. THIS IS BLOODY SLOW. If we take one tag only in Cimplicity (or Merz) we can get it to refresh 5 times a second. If we take 5 points the refresh drops to about just...

I assume fro the "Tn" Sate code that you are in Tenasea (excuse the spelling) Sorry but not very pratical as I am in the United Kingdom and not the US. Thanks for the reply thought. Andy

I have two siemens PCMICA to MPi interfaces for S7 PLC. they both have a "dongle" that connect between the pcmcia card and the Profibus mpi cable (9 way shell) Siemens part number "C79459-A1890-A10 CP 5511 HW Adapter" both of these uints ARE Faulty. Can any one tell me...

To answer all the Pervious questions in one. There is only one node on the MPI network and we are using a laptop as the "PG" not a siemens system but a panasonic toughbook(High Spec) running Win2k. I have verified the points in the quick client and they all work but very slowly. I...

We have a simple system with about 131 tags. And require a fast up date to our HMI. We have the following hardware Siemens CPU 315 Siemens RS232 -> MPI interface Kepware OPC Server software Cimplicity Plant HMI What I have found is that with the 131 tag we only get 5 tags updated a second...

I have found out how to do this, By calling the following code CALL "RDSYSST" REQ :="S_HI_Bit" SZL_ID :=W#16#232 INDEX :=W#16#4 RET_VAL :=MW114 BUSY :="S_Out_Bit" SZL_HEADER:=#SZL_HEADER...

Can any one help out there, Is there any way I can detect where the Key position on the front of the PLC. So that this can be shown in a GEFanuc Cimplicity SCADA HMI. Current Setup is: S7 CPU-315 (not DP) Siemens RS232/MPi Link Cable Kepware OPC S7/MPi Drivers GEFanuc...