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9 USING FUNCTIONAL SAFETY [G] [WG]
9.6 Connecting I/O interfaces
9.6
Connecting I/O interfaces
Refer to this section before connecting I/O interfaces to external devices.
Source input
This is an input circuit in which the anode of the photocoupler is the input terminal. Transmit signals from a source (open-
collector) type transistor output, relay switch, etc.
Sink input
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.
SDICOM
SDIA
SDIB
24 V IN
0 V IN
Approx. 4.4 k
Ω
Approx. 4.4 k
Ω
24 V DC
Control
output 1
Control
output 2
External device
24 V DC, 5 mA
24 V DC, 5 mA
SDICOM
SDIA
SDIB
24 V IN
0 V IN
Approx. 4.4 k
Ω
Approx. 4.4 k
Ω
24 V DC
Control
output 1
Control
output 2
External device
24 V DC, 5 mA
24 V DC, 5 mA
Содержание Melservo-J5 MR-J5 Series
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