FLYGT APP 541, Руководство пользователя

Страница: 18 / 76

When the input is activated:
• Pump is blocked.
• A tripped motor protection alarm is generated.
Related configuration
A tripped motor protection can be reset. (See Reference).
Feedback from Pump Relay
When the RTU tries to start a pump by activating its pump relay, the relay can provide
feedback.
Before using this function
The pump relay has to be connected to the Start feedback input for the pump.
Function: No feedback from pump relay
Phase Description
1 RTU tries to start a pump.Result: RTU receives no feedback.
2 There is no idle pump.
Result: RTU:
• Generates a No response alarm.
• Keeps the first pump set to run.
There is another idle pump.
Result: RTU:
• Generates a No response alarm.
• Blocks the first pump.
• Tries to start the next idle pump.
Power Failure
The power supply is supervised by the I/O-module.
Types of I/O modules
There are two types of I/O modules. They have different power supplies:
• 24 V, or
• 230 V. This type may have a 24 V battery backup.
Types of alarms.
Condition Generated alarm
230 V power supply fails. Mains error
24 V power supply is low or dead. Low 24 V supply
24 V battery is low. Low 24 V supply
Considerations
If a 230 V unit is supplied only through the 24 V battery backup supply, the 230 V fail signal
must be inverted in order to avoid the mains error alarm. (Reference: “Troubleshooting”).
Configure Outputs
Common Alarm Output
When an alarm is generated, alarm equipment such as a lamp or a siren can be turned on
as well.
Before using this function
This function requires that the alarm equipment is connected to the common alarm output.
Function: Common alarm output
Configure I/O
16 APP 541 User manual