Commissioning (software)
5.10 Encoder Commissioning
Control Units CU240S
Operating Instructions, 11/2006, A5E00766042B AA
5-109
Procedure of encoder commissioning
To commission the Encoder, the following procedure should be performed:
Table 5-42 Commissioning the Encoder
Step Description TTL HTL
1. Ensure the Inverter is switched off. X X
2. Connect the Channel A wire from the encoder to terminal 70 (ENC AP) on the
Control Unit.
X X
3. Connect the Channel A inverted wire from the encoder to terminal 71 (ENC
AN) on the Control Unit.
X X
4. Connect the Channel B wire from the encoder to terminal 72 (ENC BP) on the
Control Unit.
X X
5. Connect the Channel B inverted wire from the encoder to terminal 73 (ENC
BN) on the Control Unit.
X X
6. Connect the Channel Z wire from the encoder to terminal 74 (ENC ZP) on the
Control Unit.
X X
7. Connect the Channel Z inverted wire from the encoder to terminal 75 (ENC
ZN) on the Control Unit.
X X
8. Connect the positive power cable to terminal 33 (ENC+ SUPPLY) on the
Control Unit.
X X
9. Connect the negative power cable to terminal 28 (U0V) on the Control Unit. X X
10. Switch the general I/O DIP-switch 4 (5 V) to the ON position (TTL) X
11. Switch the general I/O DIP-switch 3 (24 V) to the ON position. (HTL) X
12. Check that all the connections have been made correctly and the DIP-switch
is in the correct position.
X X
13. Switch the inverter ON. X X
14. The Encoder interface now requires to be parameterized. A flow chart that
shows the required parameters is given in the following section.
X X
Note
The cable from the encoder to the Encoder Module should be one complete length.
TTL-encoder specific
If the encoder type is a TTL differential and a long cable length is required (>50 m), DIP
switches 5, 6, and 7 may be set to ON.
If the encoder type is a TTL single-ended encoder, there will be a three wires for the ‘A’, 'B'
and 'Z' Channels.
HTL-encoder specific
The terminating impedance which is selected using the DIP-switches must not be used in
conjunction with an HTL encoder.
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