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FM 350-1, 350-2, 450, SM338 -- Setting up and parameterizing hardware -- Initializing and parameterizing modules
How do you cyclically read out the 8 channels of the FM 350-2 counter module as quickly as possible?
How can the counter values of compact CPUs and of the FM 350/FM450 counter module be made available again after a power failure?
How do you commission the FM350-2 counter module (6ES7350-2AH01-0AE0) in STEP 7 Professional V11 and higher?
How do you commission the FM350-1 counter module (6ES7350-1AH03-0AB0) in STEP 7 Professional V11 and higher?
Why with module FM350-1 does the internal gate STS_GATE remain open in single count mode although the software gate SW_GATE closes?
Which function modules (FM) can be used remotely in an ET 200M?
How do you interconnect an FM350-2 in PCS 7?
How can you retain the counter value of counter modules (6ES7350-1AH03-0AE0, 6ES7350-2AH00-0AE0, 6ES7450-1AP00-0AE0) after a STOP to RUN transition of the CPU?
How can you fast load an initial value in the counter group FM350-1 or FM450-1?
How can you generate a process alarm with the latch function on the "FM350-1" module?
Images mixed up in the FM450-1¿s configuration package for displaying the hardware gate controller 
Specifying direct I/O access to the FM 350-2, 2 channels
SM 338: how do you handle disconnected channels?
Why with module FM350-1 does the internal gate STS_GATE remain open in single count mode although the software gate SW_GATE closes?
Part number:

Description
When using the counter module FM350-1, with the parameters given below, it might happen that although the software gate SW_GATE closes, the internal gate STS_GATE remains open and for this reason the counter group shows no function. The following parameterization leads to this behavior:

  • Single count mode
  • Counting range 0 to 32 bits
  • Gate function failure
  • Load value 0

As soon this parameterization sets the software gate SW_GATE to FALSE, counting is interrupted. If the software gate SW_GATE is set to TRUE again, the load value 0 is loaded. This makes the counter module FM350-1 recognize the counting range limit of 0 and counting stops, the STS_GATE remains FALSE and counter value remains 0.

You must change one of the following settings to remedy this behavior.

  • Select periodic counting instead of single count mode
  • Select a counting range of -31bits to +31bits instead of 0 to 32 bits
  • Select a load value not equal to 0

 Entry ID:43211193   Date:2010-06-15 
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