Grundfos NBE Series - 7.11 Digital inputs;outputs

7.11 Digital inputs/outputs
Pump variant Digital inputs/outputs
NBE, NKE, NBSE, VLSE ●
NBE, NKE, NBSE Series
2000; VLSE with
Delta ρ sensor
●
The inputs and outputs available depend on the functional module
fitted in the motor.
Functional
module
Digital input/output 3
(Terminals DI3, GND)
Digital input/output 4
(Terminals DI4, GND)
FM310 • •
FM311 • •
You can select whether the interface is to be used as an input or
output. The output is an open collector. You can connect the open
collector to, for example, an external relay or a controller such as a
PLC.
Wiring example:
1
DI3
24V
AI2
5V
TX
RX
TM083187
Digital output, open collector
Pos. Description
1 External controller
Mode
You can set the digital input or output 3 and 4 to act as a digital
input or digital output.
Functions if the digital input or output is set to input:
• Not active
• Ext. stop
• Min.
• Max.
• User defined speed
• External fault
• Alarm resetting
• Dry running
• Accumulated flow
• Reverse rotation
• Predefined setpoint 2 (digital input/output 3)
• Predefined setpoint 3 (digital input/output 4)
• Local motor stop
• Activate output
Functions if the digital input or output is set to 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
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