The following parameters are used to set the "Differential counting” function:

Parameters of the “functions, objects” parameter card

As a prerequisite for the "Differential counting” function, set the "Function channels” parameter on the "functions, objects” parameter card as specified:

Function channels

Parameter

Settings

Function channels

Differential counting

Function:

This parameter determines which function is to be assigned to the channel pair.

Availability:

The "Function channels” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise

More information:

Parameters on the “difference counting” parameter card

Data type

Parameter

Settings

Data type

Signed value (8-bit) DPT 6.010

Signed value (16-bit) DPT 8.001

Signed value (32-bit) DPT 13.001

Function:

This parameter sets the data type of the values for the "Differential counting” function. The data type defines the possible counting range.

The following settings are possible:

Setting

Counting range

Signed value (8-bit) DPT 6.010

-128...127

Signed value (16-bit) DPT 8.001

-32768...32767

Signed value (32-bit) DPT 13.001

-2147483648...2147483647

Availability:

The "Data type” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

More information:

Parameters in the “channel A” section and “channel B” section

Count at

Parameter

Settings

Count at

Rising edge

Falling edge

Falling and rising edge

Function:

This parameter is used to set when the counter reading changes.

The following settings are possible:

  • Rising edge
    This setting changes the value on a rising edge. The rising edge corresponds to pressing the push-button.
  • Falling edge
    This setting changes the value on a falling edge. The falling edge corresponds to a release of the push-button.
  • Falling and rising edge
    This setting changes the value on rising and falling edge. This means that when a push-button is pressed and released, this corresponds to two counts and the value is changed twice.

Availability:

The "Count at” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

More information:

Step

Parameter

Settings

Step

The possible settings vary depending on the data type set.

Function:

This parameter is used to set the value by which the counter reading changes with each pulse.

The following settings are possible:

The possible settings vary depending on the data type set in the "Data type” parameter:

Data type

Setting option

Signed value (8-bit) DPT 6.010

-128...127

Signed value (16-bit) DPT 8.001

-32768...32767

Signed value (32-bit) DPT 13.001

-2147483648...2147483647

Availability:

The "Step” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

More information:

Start value

Parameter

Settings

Start value

The possible settings vary depending on the data type set.

Function:

This parameter sets the value with which the counter starts.

The following settings are possible:

The possible settings vary depending on the data type set in the "Data type” parameter:

Data type

Setting option

Signed value (8-bit) DPT 6.010

-128...127

Signed value (16-bit) DPT 8.001

-32768...32767

Signed value (32-bit) DPT 13.001

-2147483648...2147483647

Availability:

The "Start value” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

More information:

Reset counter to start value after download

Parameter

Settings

Reset counter to start value after download

disable

enable

Function:

This parameter is used to set whether the counter reading is reset when the setting is downloaded from the ETS again.

The following settings are possible:

  • disable
    The counter is not reset.
    With the "disable” setting, counter readings can be retained even if the configuration of other channels is changed. This means that the counter reading is not lost during service measures and there is no loss of data.
  • enable
    The counter is reset.

Behavior at max. counter value

Parameter

Settings

Behavior at max. counter value

Stop counter

Restart counter (overflow)

Function:

This parameter determines the behavior of the counter when the maximum counter value is reached.

The maximum counter value depends on the set data type.

The following settings are possible:

  • Stop counter:
    This setting stops the counter when the maximum counter value is reached. Further counting pulses are no longer recorded.
  • Restart counter (overflow):
    With this setting the counter is restarted after reaching the maximum counter value. The new starting value can be set separately for each input via the "Start value” parameter or the "A Start value” and "B Start value” communication objects.

Availability:

The "Behavior at max. counter value” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

More information:

Object count

Parameter

Settings

Object count

disable

enable

Function:

If this parameter is set to "enable,” the value of the counter can be set and/or queried via a communication object.

Communication objects:

If the "Object count” parameter is enabled in the "channel A” section, the "A Count (Set value)” and "A Count (Value)” communication objects are displayed.

If the "Object count” parameter is enabled in the "channel B” section, the "B Count (Set value)” and "B Count (Value)” communication objects are displayed.

Availability:

The "Object count” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

Other parameters:

If "enable” is selected, the following parameters are also displayed:

More information:

Parameters in the “channel A", “channel B” and “difference channel B – channel A” section

Send value on request

Parameter

Settings

Send value on request

disable

enable

Function:

This parameter sets whether the value of the counter is sent on request or whether requests to send the counter value are rejected.

If the parameter in the “channel A” section is set to "enable", the value of the counter of channel A will be sent.

If the parameter in the “channel B” section is set to "enable", the value of the counter of channel B will be sent.

If the parameter in the section “difference channel B - channel A” is set to "enable", the difference between the counter of channel B and the counter of channel A is calculated and sent.

Availability:

The "Send value on request” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

More information:

Send value on change of value

Parameter

Settings

Send value on change of value

disable

enable

Function:

This parameter determines whether the counter value is sent when the value changes.

If the parameter in the “channel A” section is set to "enable", the value of the counter of channel A will be sent.

If the parameter in the “channel B” section is set to "enable", the value of the counter of channel B will be sent.

If the parameter in the section “difference channel B - channel A” is set to "enable", the difference between the counter of channel B and the counter of channel A is calculated and sent.

The following settings are possible:

  • disable:
    With this setting, the value of the counter is not sent automatically when a change is made.
  • enable:
    With this setting, a telegram with the new counter value is sent each time the counter value is changed.

Availability:

The "Send value on change of value” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

Other parameters:

If "enable” is selected, the following additional parameters appear:

More information:

Value change since last sent (count)

Parameter

Settings

Value change since last sent (count)

The possible settings vary depending on the data type set.

Function:

This parameter is used to specify at which change of value compared to the last value sent the value of the corresponding communication object is sent again. Transmission occurs when the block time for sending the value has been exceeded.

The following settings are possible:

The possible settings vary depending on the data type set in the "Data type” parameter:

Data type

Setting option

Signed value (8-bit) DPT 6.010

0...255

Signed value (16-bit) DPT 8.001

0...65535

Signed value (32-bit) DPT 13.001

0...4294967295

Availability:

The "Value change since last sent (count)” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting
  • Parameter "Send value on change of value” on the parameter card "Differential counting"
    • Setting: “disable

More information:

Block time for sending of value

Parameter

Settings

Block time for sending of value

hh:mm:ss

00:00:00 ... 18:12:15

Function:

This parameter determines when the next change of the counter reading will be sent at the earliest. If the changes of the counter value are faster than transmission can be executed, the current value at the time of sending is sent.

This setting prevents the bus load from becoming too high if the counter reading is changed too frequently. If the bus load is too high, telegrams could be lost.

Availability:

The "Block time for sending of value” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting
  • Parameter "Send value on change of value” on the parameter card "Differential counting"
    • Setting: “enable

More information:

Send value cyclically

Parameter

Settings

Send value cyclically

hh:mm:ss

00:00:00 ... 18:12:15

Function:

This parameter can be used to set the time interval at which the counter value object is sent cyclically. If this is set to “00:00:00,” cyclic sending is deactivated.

If the parameter is set in the “channel A” section, the counter value of channel A will be sent.

If the parameter is set in the “channel B” section, the counter value of channel B will be sent.

If the parameter is set in the “difference channel B – channel A” section, the difference between the counter value of channel B and the counter value of channel A is calculated and sent.

Availability:

The "Send value cyclically” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

More information:

Other parameters

Above limit

Parameter

Settings

Above limit

disable

enable

Function:

This parameter enables or disables the monitoring of the difference value of the counters of channel A and channel B by means of an upper limit value.

If the parameter is set to "enable,” a telegram containing the information whether the difference of the counters of channel A and B has exceeded the limit value or not is sent via the object "A + B Upper threshold” on request, on status change or cyclically.

Availability:

The "Above limit” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

Other parameters:

More information:

Upper threshold

Parameter

Settings

Upper threshold

The possible settings vary depending on the data type set.

Function:

This parameter sets the upper limit for the difference between the counters of channel A and channel B.

The following settings are possible:

The possible settings vary depending on the data type set in the "Data type” parameter:

Data type

Setting option

Signed value (8-bit) DPT 6.010

-128...127

Signed value (16-bit) DPT 8.001

-32768...32767

Signed value (32-bit) DPT 13.001

-2147483648...2147483647

Availability:

The "Upper threshold” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting
  • Parameter "Above limit” on the parameter card "Differential counting"
    • Setting: “enable

More information:

Below limit

Parameter

Settings

Below limit

disable

enable

Function:

This parameter is used to enable or disable monitoring of the differential value of the counters of channel A and channel B based on a lower limit value.

If the parameter is set to "enable,” a telegram containing the information whether the difference of the counters of channel A and B has below the limit value or not is sent via the object "A + B Exceedance of lower threshold” on request, on status change or cyclically.

Availability:

The "Below limit” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting

Other parameters:

More information:

Lower threshold

Parameter

Settings

Lower threshold

The possible settings vary depending on the data type set.

Function:

This parameter sets the lower limit for the difference of the counters of channel A and channel B.

The following settings are possible:

The possible settings vary depending on the data type set in the "Data type” parameter:

Data type

Setting option

Signed value (8-bit) DPT 6.010

-128...127

Signed value (16-bit) DPT 8.001

-32768...32767

Signed value (32-bit) DPT 13.001

-2147483648...2147483647

Availability:

The "Lower threshold” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting
  • Parameter "Below limit” on the parameter card "Differential counting"
    • Setting: “enable

More information:

Send status on request

Parameter

Settings

Send status on request

disable

enable

Function:

This parameter is used to set whether the status of exceeding or falling below the limit value is sent on request or whether requests for the status value are rejected.

The request is triggered via the communication object “Send status values.”

Availability:

The "Send status on request” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting
  • Parameter "Above limit” and/or "Below limit” on parameter card "Differential counting"
    • Setting: “enable

More information:

Send status on change of status

Parameter

Settings

Send status on change of status

disable

enable

Function:

This parameter is used to set whether the status of exceeding or falling below the limit value is sent automatically after each status change.

Availability:

The "Send status on change of status” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting
  • Parameter "Above limit” and/or "Below limit” on parameter card "Differential counting"
    • Setting: “enable

More information:

Send status cyclically

Parameter

Settings

Send status cyclically

hh:mm:ss

00:00:00 ... 18:12:15

Function:

This parameter is used to set the time interval at which the status of exceeding or falling below the limit value is sent cyclically. If this is set to “00:00:00,” cyclic sending is deactivated.

Availability:

The "Send status cyclically” parameter is displayed when the following configurations have been made:

  • Parameter "Function channels A + B” on the "device settings” parameter card
    • Setting: “Pairwise
  • Parameter "Function channels” on the “functions, objects” parameter card
    • Setting: “Differential counting
  • Parameter "Above limit” and/or "Below limit” on parameter card "Differential counting"
    • Setting: “enable

More information: