
-77223E/02
図
番
称
ペ
|
ジ
変更内容 設計 年月日
版
FANUC SERVO AMPLIFIER βi series
I/O Link option
DESCRIPTIONS
65 /
5.2.12 Details of Cable K20 (Connection of Built-in DI)
5.2.12.1 Input signal specification
The DC input signals are those sent from the machine to the servo unit.
They are transferred via a non-insulated interface that can be switched
between sink type (24V common) and source type (0V common) except
for an emergency stop input, which is fixed at a sink type (24 V
common).
The relevant safety standards require that the interface be used as sink
type.
The contacts on the machine side must satisfy the following
requirements:
Contact capacity :
30VDC, 16mA or higher
Closed-state contact-to-contact leakage current :
1 mA or lower (at 26.4V) :
Closed-state contact-to-contact voltage drop :
2V or lower (including voltage drop across cable, with 8.5mA)
For information about the specifications of the skip signal, see Section
5.2.12.4