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The FM 350-1 off-loads the CPU by: - Direct connection of incremental encoders
- Direct connection for gate signals (light barrier etc.) using integrated digital inputs.
- A comparison function and output of response using integrated digital output modules.
The following functions are provided: - 1 channel for upcounting and downcounting; 32 bit
- Counting frequency up to 500 kHz (RS 422 encoders)
- Counting range 0 to 32 bit or +/- 31 bit, as required
- One-shot or periodic counting process
- 1-, 2- or 4-fold evaluation
- Incremental encoder can be connected
- Gate control via levels, pulses or software control
- Setting via the digital input
- Counter can be loaded with a predefined starting value
- Comparison function using two selectable comparison values
- Interrupt response when a comparison value is reached, zero crossing, range violation (selectable)
- Output signal (24 V-level) that the comparison function controls: With jointly selectable pulse duration or as a continuous signal from the comparison value to the limit of the counting range.
Standard Function Blocks | |
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CNT_CTRL (FC 0) | For controlling the counters of the FM 350-1 | DIAG_INF (FC 1) | For providing the diagnostic information of the FM 350-1 |
Mode of operation The FM 350-1 counter module detects pulses from incremental encoders at up to 500 kHz, as a function of directly connectable gate signals. - It evaluates the direction of the pulses and compares the actual value with two comparison values, which can be preset.There are two possibilities available to output the reaction to the process:
- 2 digital outputs;
they can be configured using the selectable minimum pulse or with level switching. - Backplane bus;
the FM 350-1 can send an alarm signal to the CPU via the integrated backplane bus.
Operating Modes | |
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Continuous counting | After the gate is enabled, endless counting takes place between the lower and upper count limit from the starting value | One-shot counting | After the gate is enabled, the system counts once from the starting value to the upper or lower limit depending on the main count direction | | - Main counting direction up: from 0 to the programmable range limit
| | - Main counting direction down: from the programmable start value to 0
| Periodic counting | After the gate is enabled, periodic counting takes place from the starting value within the programmed counting range depending on the main count direction | | - Main counting direction up: periodic from 0 to the programmed range limit – 1
| | - Main counting direction down: periodically from the programmed start value to 1
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Parameterization Parameters are assigned with STEP 7 with the help of parameterization screen forms. A configuring package is available for this purpose.
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Арматура DENDOR
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Датчики и измерители
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Регуляторы и регистраторы
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Пневматическое оборудование
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Краны и Клапаны
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Измерительные приборы
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Системы беспроводного управления «умный дом»
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Бесконтактные выключатели Конечные выключатели Оптические датчики Энкодеры
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SKW-FS - Установка умягчения
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SKW-FK - Установка обезжелезивания
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