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:
- "Send value on request” parameter
- "Send value on value change” parameter
- "Send value cyclically” parameter
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:
- "Value change since last transmission (counter reading)” parameter
- "Block time for sending the value” parameter
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:
- “Upper limit” parameter
- "Send status on request” parameter
- "Send status on status change” parameter
- "Send status cyclically” parameter
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:
- “Lower limit” parameter
- "Send status on request” parameter
- "Send status on status change” parameter
- "Send status cyclically” parameter
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: