03/12 EM-ABS-01 for ACU 35
• Adjust the Division marks 1183 accordin
to the encoder data sheet (see
Chapter 8.4.1), in the case of SSI encoders, the value is typically 512 ampli-
tudes/turn. If
an encoder without incremental tracks is used (settin
via
Tracks/Protocol 1184), this information is not needed and the settin
of this
parameter will be ignored.
• Adjust the Supply voltage 1187 accordin
to the encoder data sheet (see
Chapter 8.4.4), in the case of SSI encoders with TTL [RS-422] or SinCos
track, the valu
e is typically 5.0V.
• Adjust
Power supply 1186 according to the connections (see chapter 8.4.3).
Bonfiglioli Vectron recommends evaluating the sense line (settings: “5-intern,
Sense” or “6-Via X410A, Sense”), if available and connected.
• Set the number of Bits/Turn 1271 accordin
to the encoder data sheet (see
chapter 8.4.7).
• Set the
Bits Multiturn 1272 accordin
to the encoder data sheet (see chapter
8.4.8).
• Set
SSI: Error-/Extra-Bits (Low) 1269 and SSI: Error-/Extra-Bits (High)
1270 , if additional information from the encoder is supported (see chapter
8.4.9).
• Adjust
SSI: Sample time1268 according to the encoder data (see chapter
8.4.10).
• If the enc
ode
r is used as a motor encoder for a synchronous servomotor, set
Offset 1188 according to chapter 8.4.6. This step is not required in the case
of asynchronous motors or if the encoder is used as an application encoder.
Note:
In the case of singleturn encoders, you will have to set
Bits Multiturn
1272 = 0.
Step 4: Turn the frequency inverter off.
Step 5: Connect the SSI Geber to the EM-ABS-01.
Step 6: Turn the frequency inverter on.
Step 7: Check the encoder for proper function.
Step 8: In configurations “Positioning” x40: Carry out referencing operation once.
Note: If the data track cannot be evaluated, error F1719 Dig. encoder: Protocol
error” will be triggered. In this case, check
Tracks/Protocol 1184 setting.
Note: When the frequency inverter is turned on, the absolute position is read via
the data tracks. Via the incremental tracks, the position is counted up in-
ternally and compared to the updated absolute position at regular inter-
vals. This
uarantees a very hi
h positionin
and speed accuracy at all
supported transmission rates.
Encoders without incremental track can only be used as application encod-
ers (for example for positioning applications).
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