3.7 I/O Signals
46
3.7
I/O Signals
3.7.1 Homing Deceleration Signal Input
The usual connection for homing deceleration signal /DEC is shown below. A deceleration signal is
input when the homing function (ZRET command) of MECHATROLINK-II communications specifica-
tions is used.
3.7.2 External Latch Signal Input
The usual connection for external latch signal input /EXT1 is shown below. This input signal is used for
the homing (ZRET command) and the external signal input positioning (EX_POSING) functions of
MECHATROLINK-II communications specifications.
Signal Name
Signal
Function
Homing Deceleration
Signal Input
/DEC
ON (low level)
The signal turns ON.
OFF (high level)
The signal turns OFF.
Signal Name
Signal
Function
External Latch Signal
Input
/EXT1
ON (low level)
The external signal is ON.
OFF (high level)
The external signal is OFF.
+24VIN
SERVOPACK
3.3 k
Ω
Photo-
coupler
/DEC
7 mA
0V
24-VDC
power supply
24V
CN1-5
CN1-2
+24VIN
SERVOPACK
3.3 k
Ω
Photo-
coupler
/EXT1
7 mA
0V
24-VDC
power supply
24V
CN1-5
CN1-1
TOEP_C710806_03A_1_0.book Seite 46 Montag, 2. Juli 2007 3:55 15