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3.SAFETY FUNCTIONS
3.20.4
B-64303EN-4/01
Connections
In addition to Dual Check Safety connections, a connection from
connector JX4 on the αiSP or connector JX6 on the βiSVSP to the I/O
Unit (I/O Link#3) is required. On a system that uses a spindle rotation
enable switch, a connection from the switch is additionally required.
(Indicated in heavy lines).
αi Series
CNC
3ch I/O Link
adapter
I/O-LINK
(JD51A)
JD51B
I/O Link #1,#2
JD44A-1
JD44A-2
JD1A
I/O Unit
24VDC
CPD1
JD1B
Guard State
signal
*SGOPN
JD1A
I/O Unit
24VDC
CPD1
Spindle Rotation
Enable Switch signal
SPEN
JD1B
I/O Link #3
JD1A
COP10B
FSSB(COP10A)
COP10A
To 2
nd
αi SV
TB2
JF1
Servo Amp
SPDL(JA41)
JA7B
JA7A
αi SP
JX4
JYA2
TB2
nd
To 2
Spindle Amp
- 60 -
Spindle
Excitation-Off
signal 2
EXOF2