Upper computer
Servo driver
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The signal of the encoder passes the differential driver AM26LS31 and is not an non-isolated output.
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The upper computer can receive the signal via AM26LS32 or a high-speed photocoupler.
CN2 Input Interface for Encoder Signal (from the servo motor to the driver)
Figure 4.7 CN2 Input Interface for Photoelectric Encoder
C
N1 Output Interface for Z signal of the Encoder (from driver output to zeroing by
the upper computer)
Figure 4.8 CN 1 Output Interface for Z Signal of Photoelectric Encoder
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The Z signal is a non-isolated signal which is output by the open circuit of the collecting electrode. The Z
Servo driver
器
Servo motor encoder
35
signal of the encoder has conduction but no cut-off.
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The Z signal should be received via a high-speed photocoupler.
