HEIDENHAIN PWM 20 - Manual (Page 40)

November 2014 Software description 41
8 After you click the "Connect" button, the connected encoder is supplied with power.
Typical error message of purely serial EnDat 2.2. encoders without incremental signals.
Confirm this message with "Yes" to connect without incremental signals.
The EnDat designation is printed on the ID label.
Attention
Observe the warnings!
If the selected supply voltage is too high (e.g. 24 V), the electronics of an encoder operating
with 5 V will be destroyed.
Note
Check the displayed values.