Operation
57
300554859_002_C0 - 11/2016 - © Leybold
4.4.3 Relay Functions
Relay Normal Operation
Function
code Function
0 Normal operation Default: relay switches as soon as the setup normal operating
threshold is reached.
3 Bearing temperature dependent (P122) Adjustable parameter: temperature limit
4 Power failure venting (P247/P248) Within these limits, the relay is switched in the event of a power
failure.
Adjustable parameter: frequency limit high
Adjustable parameter: frequency limit low
Remark: this is a normally open valve, i.e. when the voltage is
switched off, the output goes to 0; when the pump running the
output is 1.
State diagram power failure venting, see Section above.
5 Pump at standstill (f<3) Relay switches, when the pump is turning below 3 Hz.
6 Start command Relay switches, when the start command is initiated.
7 Ready for switching on Relay switches, when the pump is ready
Error Relay
Function
code Function
1 Active at error Default
2 Inactive at error
Warning Relay
Function
code Function
1 Active at warning Default
2 Inactive at warning
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