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ABB i-bus ® EIB 4.13 Function: “Counter” Universal Interfaces US/U 2.2, GH Q631 0074 R0111 US/U 4.2, GH Q631 0070 R0111 The following section describes all the parameters and objects which are visible when the input is operated with the function “Counter”. Using the “Counter” function, the device is able to count the number of pulse edges at the input. A “differential counter” is therefore available if required in addition to the standard counter. Both counters are triggered by counting pulses but otherwise operate independently of each other. The counter always has the same data width as the differential counter. 4.13.1 Parameter Additional parameter window if “Enable additional options (…)” is set to “yes”. 37
ABB i-bus ® EIB Universal Interfaces US/U 2.2, GH Q631 0074 R0111 US/U 4.2, GH Q631 0070 R0111 Parameter: “Pulse detection on” The type of input signal is defined in this parameter. It can be set whether the contact is a normally open contact or a normally closed contact. Parameter: “Data width of counter” The data type of the counter (absolute counter and differential counter) is defined in this parameter. The data type specifies the counting range for the counter. The type of the objects “Telegr. counter value …” and “Differential counter …” is adapted to the data width. Parameter: “Counter starts at …” The starting value of the absolute counter is defined in this parameter. The starting value is used when there is a counter overflow in order to calculate the new counter value. Parameter: “Debounce time / min. operation time” The debounce prevents unwanted multiple operation of the input e.g. by bouncing of the contacts. Refer to section 5.1 for the exact function of this parameter. Parameter: “Transmit counter values after bus voltage recovery” If this parameter has the value “yes”, the current value of the counter is sent on the bus after bus voltage recovery (once the transmission delay has elapsed). If the differential counter has been enabled, it is also sent on the bus. After an extended bus voltage failure, the counter is reset to the starting value. If the differential counter has been enabled, it is reset to zero. If no data loss has occurred after a short bus voltage failure, the counter contents are retained. Parameter: “Enable additional options (…)” If this parameter is set to “yes”, the parameter window “A-Counter” is displayed. Additional functions are possible here. Parameter window: “A-Counter” Additional functions can be activated in this parameter window for the pulse counter. Parameter: “Divider: number of input pulses for one counter step” It can be set via this parameter how many pulses are necessary to generate a counting pulse. It thus functions as a divider. Parameter: “Factor: one counter step changes counter value by” This parameter defines how much the counter and differential counter should be increased by in the event of a counting pulse. It thus functions as a factor. Parameter: “Transmit counter values cyclically” If this parameter has the value “yes”, the values of the counter and the differential counter are sent cyclically on the bus. 38
Page 1 and 2: Product Manual ABB i-bus ® EIB Uni
Page 3 and 4: Contents Seite 5 Special functions
Page 5 and 6: ABB i-bus ® EIB 2 Device technolog
Page 7 and 8: ABB i-bus ® EIB 2.3 Description of
Page 9 and 10: ABB i-bus ® EIB Universal Interfac
Page 15 and 16: ABB i-bus ® EIB 4.5 Function: “S
Page 17 and 18: ABB i-bus ® EIB 4.5.2 Communicatio
Page 21 and 22: ABB i-bus ® EIB 4.7 Function: “V
Page 37: ABB i-bus ® EIB Universal Interfac
Page 43 and 44: ABB i-bus ® EIB 5.2 Limit telegram
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