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5. Base I/O Unit Connection
5.5 Base I/O Unit Input/Output Specifications
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5.5.8 Connection of Servo Drive Unit
Connect the servo drive unit to the base I/O unit SV1 (for spindles and NC servo axes) and SV2 (for
peripheral axes).
Base I/O unit
SV1
SV2
CN1A
CN1A
Servo drive unit
SH21 cable
SH21 cable
(Spindles and
NC servo axes)
(For auxiliary axes)
Servo drive unit
Refer to "MELDAS AC Servo and Spindle MDS-A/B Series Specifications Manual (BNP-B3759)
MDS-C1 Series Specifications Manual (BNP-C3000)" for servo drive unit details.
<Related sections>
Cable manufacturing drawing: “Appendix 2.1 SH21 cable”
Connector pin assignment: “5.4 Base I/O unit connector pin assignment” - servo drive unit (SV1, SV2)
5.5.9 Connection of Spindle Encoder
Connect the spindle encoder to ENC1 on the base I/O unit. When connecting two channels, connect
the second channel to ENC#2 on the relay card (HR682).
Base I/O unit
F040/F041 cable
ENC1
Relay card
F040/F041 cable
ENC#2
1st spindle encoder
(Channel 1)
(Channel 2)
2nd spindle encoder
<Related sections>
Outline drawing: Appendix 1
Cable manufacturing drawing: “Appendix 2.15 F040 cable”, “Appendix 2.16 F041 cable”
Connector pin assignment: “5.4 Base I/O unit connector pin assignment” - encoder (ENC1)
“6.4 Relay card connector pin assignment” - encoder (ENC#2)