8 USING STO FUNCTION
8.4 Detailed explanation of interfaces
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8
8.4 Detailed explanation of interfaces
The details of I/O signal interfaces stated in the following section (refer to the I/O signal interface type in the table) are as
follows. Refer to the section and connect them with external devices.
Page 290 Functional safety I/O signal connector (CN8) and pin assignments
Sink I/O interface
Digital input interface DI-1
This is an input circuit in which the photocoupler cathode side is the input terminal. Transmit signals from a sink (open-
collector) type transistor output, relay switch, etc.
V
CES
1.0 V
I
CEO
100 A
STO1
STO2
STOCOM
TR
Servo amplifier
For transistor
Approx. 5 mA
Approx. 3.0 k
Switch
24 V DC ± 10 %
300 mA
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