Encoder operating voltage (supply voltage)

The encoder supply is generated internally from the 24 V of the power contacts. The encoder supply can be set in index 0x8001:17 “Supply voltage”. An operating voltage of 5 V DC is preset. Voltage values of 5 V DC, 12 V DC, and 24 V DC can be selected. The setting applies to both channels. Before switching to higher voltages, ensure that both encoders support the voltage range.

The following tolerances apply:

Voltage range

Tolerance

5 V DC

+/-5% (4.75 V…5.25 V)

12 V DC

+/-10% (10.8 V…13.2 V)

24 V DC

-15% to +20% (20.4 V…28.8 V)

Encoder operating voltage (supply voltage) 1:

Setting the encoder supply via index 0x8001:17

The encoder supply is set centrally for both channels via the index 0x8001:17 (channel 1). The corresponding index 0x8011:17 of the second channel has no parameterization function.

Notice

Setting the encoder supply voltage

  • Before switching to a higher voltage, make sure that the connected encoders support the selected voltage range!
  • To write to 0x80n1:17 “Supply voltage” you have to set the value 0x72657375 (ASCII: “user”) in index 0xF008 “Code word”.