MAXDATA SN 40 M1 Instruções de Operação descarregar pdf (Página 42)

Commissioning

Alternate

G09-RIA452ZZ-15-00-xx-en-007

Fig. 19: Alternating pump control

Alternate switching is used to ensure that several pumps are utilized evenly in level control

systems. The main factor for switching on a certain pump is not a fixed assigned switch-on value

but rather which pump has the shortest operation time.

In total, the first 4 relays (LIMIT 1 to 4) can be included in the alternating pump control system.

Mode Max

Setpoint A 3

- Hysterese 3

Setpoint A 2

- Hysterese 2

Setpoint A 1

- Hysterese 1

Measured value

Switching status

Relay 3

Relay 2

Relay 1

Relay 3

Relay 2

Relay 1

With alternating pump control

Without alternating pump control

Relay currentless

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 79 80

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MAXDATA SN 40 M1 Instruções de Operação Página 42