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Feedback 4-11MN1943
4.1.4 SinCos interface
The SinCos interface connections (Sin and Cos incremental channels only) are made using the
15-pin D-type female 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. Connector X8 includes a ‘Sense’ pin, which is used to
detect the voltage drop on long cable runs. This allows the MotiFlex e100 to increase the supply
voltage on pin 12 to maintain a 5 VDC supply at the encoder (200 mA max). The Sin and Cos
channel input circuits accept a nominal 1 V pk-pk sine wave centered on a 2.5 V reference.
Pin
SinCos function
1 (NC)
2 (NC)
3 (NC)
4 Sense
5 Sin-
6 Sin+
7 Cos-
8 Cos+
9 (NC)
10 (NC)
11 (NC)
12 +5V out
13 DGND
14 (NC)
15 (NC)
Sin-
Sin+
Cos-
Cos+
+5V out
DGND
5
6
7
8
12
X8
SinCos
Feedback
13
4 Sense
Connect ov erall s hield to
connec tor backshells.
Twis ted pairs
Connect internal
shields to DGND.
Motor
Figure 37 - SinCos interface cable connections
1
8
9
15
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