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11.11 Digital inputs/outputs
Pump variant
NBE, NBSE, NKE, TPE, TPED
NBE, NBSE, NKE, TPE, TPED
Series 2000
Function
Digital input/output 3, setup
Digital input/output 4, setup
* See section
5.5.1 Connection terminals, advanced functional
module, FM
300.
You can select if the interface must be used as input or output.
The output is an open collector and you can connect it to for
example an external relay or controller such as a PLC.
+ 24V
DO 3/4
Fig. 43 Example of configurable digital inputs or outputs
To set a digital input or output, make the settings below.
Mode
You can set the digital input or output 3 and 4 to act as digital
input or digital output:
Digital input
•
Digital output.
•
Function
You can set the digital input or output 3 and 4 to these functions:
Possible functions, digital input or output 3
Function if input
See details in section
Digital inputs
11.10
• Not active
• External stop
• Min.
• Max.
• "User-defined speed"
• External fault
• Alarm resetting
• Dry running
• Accumulated flow
• "Predefined setpoint digit
2"
• "Activate output"
• "Local motor stop"
32
Digital inputs/outputs
●
●
Terminal*
10 and 16
11 and 18
External
controller
Function if output
See details in section
11.12 "Signal relays 1 and
Relay outputs
2" (
)
• Not active
• Ready
• Alarm
• Operation
• Pump running
• Warning
• Limit 1 exceeded
• Limit 2 exceeded
• "Digital input 1, state"
• "Digital input 2, state"
• "Digital input 3, state"
• "Digital input 4, state"
Possible functions, digital input or output 4
Function if input
See details in section
Digital inputs
11.10
• Not active
• External stop
• Min.
• Max.
• "User-defined speed"
• External fault
• Alarm resetting
• Dry running
• Accumulated flow
• "Predefined setpoint digit"
3"
• "Activate output"
• "Local motor stop"
Activation delay
Select the activation delay, T1.
It is the time between the digital signal and the activation of the
selected function.
Range: 0 to 6000 seconds.
Duration timer mode
Select the mode. See fig. 42.
Not active
•
•
active with interrupt, mode A
•
active without interrupt, mode B
•
active with after-run, mode C.
Select the duration time, T2.
It is the time which, together with the mode, determines how long
the selected function is active.
Range: 0 to 15,000 seconds.
T input > T1 + T2
T input > T1 + T2
Digital
input
T input
T input
Mode A
T1
T2
Mode B
T1
T2
Mode C
T1
Fig. 44 Duration timer function of digital inputs
Factory setting
See section
28. Factory
settings.
Function if output
See details in section
11.12 "Signal relays 1 and
Relay outputs
2" (
)
• Not active
• Ready
• Alarm
• Operation
• Pump running
• Warning
• Limit 1 exceeded
• Limit 2 exceeded
• "Digital input 1, state"
• "Digital input 2, state"
• "Digital input 3, state"
• "Digital input 4, state"
T input < T1 + T2
T input < T1 + T2
T input
T input
T1
T1
T2
T2
T1
T2
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