5.6 Connecting I/O Signals
5.6.1 I/O Signal Connector (CN1) Names and Functions
The following table gives the pin numbers, names, and functions the I/O signal pins for
the default settings.
Default settings are given in parentheses.
Signal Pin
No.
Name Function Reference
/SI1* (P-OT) 7 General-purpose
Sequence Input 1
(Forward Drive Pro-
hibit Input)
You can allocate the
input signal to use with a
parameter.
(Stops Servomotor drive
(to prevent overtravel)
when the moving part of
the machine exceeds the
range of movement.)
Ä
Chap.
6.11.2
‘Overtravel
Signals’
page 161
/SI2* (N-OT) 8 General-purpose
Sequence Input 2
(Reverse Drive Pro-
hibit Input)
/SI3* (/DEC) 9 General-purpose
Sequence Input 3
(Home Switch Input)
You can allocate the
input signal to use with
parameters.
(Connect the switch that
starts homing.)
-
/SI4* (/EXT1) 10 General-purpose
Sequence Input 4
(Probe 1 Latch
Input)
You can allocate the
input signals to use with
parameters.
(Connect the external
signals that latch the cur-
rent feedback pulse
counter.)
-
/SI5* (/EXT2) 11 General-purpose
Sequence Input 5
(Probe 2 Latch
Input)
/SI6* 12 General-purpose
Sequence Input 6
You can allocate the
input signal to use with
parameters.
(Used for general-pur-
pose input.)
/SI0* 13 General-purpose
Sequence Input 0
You can allocate the
input signal to use with a
parameter.
(Used for general-pur-
pose input.)
-
+24VIN 6 Sequence Input
Signal Power
Supply Input
Inputs the sequence
input signal power
supply.
Allowable voltage range:
24 VDC ±20% The 24-
VDC power supply is not
provided by Yaskawa.
-
BAT+ 14 Battery for Absolute
Encoder (+)
These are the pins to
connect the absolute
encoder backup battery.
-
Input Signals
Sigma-7 Series SERVOPACKs
Wiring and Connecting SERVOPACKs
Connecting I/O Signals > I/O Signal Connector (CN1) Names and Functions
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