1 FUNCTIONS
1.4 Diagnostic Function
45
1
List of detectable conditions
The following shows the devices at which disconnection (no connection) can be detected and the detectable conditions for the
sensor power supply.
: Detectable,
: Detectable depending on the condition,
: Undetectable
*1 Connect a bleeder resistor (resistance value as a guide: approximately 56k
) in parallel near the input device.
R: Bleeder resistor
Connected device
Condition
Disconnection (no connection)
(1)
(2)
(3)
2-wire type input device
Leakage current is over 0.3mA.
Leakage current is 0.3mA or lower.
3-wire type input device
Standby current is over 0.3mA.
Standby current is 0.3mA or lower.
(1)
R
(2)
(3)
COM
Xn
Detection
circuit
Internal
circuit
24VDC
24VDC
Содержание MELSEC iQ-RX40NC6B
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