Digital Inputs/Outputs - Grundfos TPE2 D Manual Del Usuario

• Local motor stop
When the input is activated, the given pump in a multipump
system stops without affecting the performance of the other
pumps in the system.
The priority of the selected functions in relation to each other
appears from section 20. Priority of
A stop command always has the highest priority.
Activation delay
Pump variant
TPE3, TPE3 D
TPE2, TPE2 D
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. 56.
• 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
Mode A
T1 T2
Mode B
T1 T2
Mode C
T1
Fig. 56 Duration timer function of digital inputs
Factory setting
See section 35. Factory settings.
settings.
Activation delay
-
●
T input < T1 + T2
T input < T1 + T2
T input
T1
T1 T2
T2 T1 T2

17.14 Digital inputs/outputs

Pump variant
TPE3, TPE3 D
TPE2, TPE2 D
Function
Digital input/output 3, setup
Digital input/output 4, setup
* See section 9.5.1 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. 57 Example of configurable digital inputs or outputs
To set up a digital input/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 the functions
mentioned below:
You can set the signal outputs to the following:
• Operation
• Pump running
• Ready
• Alarm
• Warning.
Possible functions, digital input or output 3
Function if input
• Not active
• External stop
• Min.
• Max.
• External fault
• Alarm resetting
• Dry running
• Accumulated flow*
• "Predefined setpoint 2"
• Activate output
• Local motor stop

Digital inputs/outputs

●
●
Terminal*
10 and 16
11 and 18
External
controller
Function if output
• 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
41