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PLC User's Manual - Positioning Control Edition
Built-in Positioning Functions
2 Specifications
2.4 Input Specifications
B - 22
2.4.3 FX3G Series main unit (24V DC Input)
This section describes the input specifications of the FX3G Series main unit. Note that the simultaneous
turning-on rate is restricted for the input extension units and the main unit. For details on this restriction, refer
to the following manual:
→ Refer to the FX
3G Hardware Edition.
*1. If inputs X000 to X007 are assigned to the zero-phase signal of the DSZR instruction the input
response time will be as shown in the following table.
1. Internal input circuit
Item 24V DC input specifications
Input signal voltage All inputs 24V DC ±10%
Input impedance
X000 to X007 3.3kΩ
X010 or more 4.3kΩ
Input signal current
X000 to X007 7mA/24V DC
X010 or more 5mA/24V DC
Input sensitivity
current
Input ON
current
X000 to X007 4.5 mA or more
X010 or more 3.5mA or more
Input OFF
current
All inputs 1.5mA or less
Input response time All inputs
Approx. 10 ms
*1
Input signal type All inputs
No-voltage contact input
NPN/PNP open collector transistor
Circuit insulation All inputs Photocoupler insulation
Indication of input motion -
Turning on the input will light the LED indicator lamp
Input Input response time
X000, X001, X003, X004 10µs
X002, X005 to X007 50µs
Sink input type
Main unit
Fuse
Class-D
grounding
Input
impedance
Source input type
Main unit
Fuse
Class-D
grounding
Input
impedance