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3.7.1 Resolver option - X8
The resolver connections are made using the 9-pin D-type male connector X8. Twisted pair
cables must be used for the complementary signal pairs e.g. SIN+ and SIN-. The overall cable
shield (screen) must be connected to the metallic shell of the D-type connector.
5
9
6
1
The resolver input is used to create an encoder signal inside the FlexDrive
II
FlexDrive
with an equivalent resolution of 4096 pulses per revolution (ppr), although this can
be reconfigured in the Mint WorkBench Commissioning Wizard to provide 1024 ppr. The
II
FlexDrive
provides an input accuracy of ±3 counts. When used with a typical Baldor BSM
series resolver motor the combined accuracy is ±11 counts (calculated with the input
equivalent resolution set to the factory preset value of 4096 ppr).
R2
R1
S3
3-22 Basic Installation
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Location Connector X8, 9-pin D-type male connector
Pin Resolver function
1 REF+
2 COS+
3 SIN+
4 (NC)
5 Analog Ground
6 REF-
7 COS-
8 SIN-
9 Chassis Ground
Description Resolver input with 14-bit resolution
Baldor motor
resolver connector
S2
5
+
S4
6
3
+
S1
4
1
+
2
Figure 11 - Resolver cable connections
Twisted
pairs
Connect overall shield
to connector backshells.
www.baldormotion.com
II
. This provides the
X8
SIN+
3
SIN-
8
COS+
2
COS-
7
REF+
1
REF-
6
AGND
5
Connect internal
shields to AGND.
MN1902
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