Mitsubishi Electric FX3U SERIES - FX 3 G Series Main Unit (24 V DC Input

FX 3S /FX 3G /FX 3GC /FX 3U /FX 3UC PLC User's Manual - Positioning Control Edition
Built-in Positioning Functions
2 Specifications
2.4 Input Specifications
B - 21
A
Common Items
B
Built-in Positioning Functions
Apx.
Example Connection
2.4.2 FX3G Series main unit (24 V 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 or the near-point
signal (DOG) of the ZRN instruction, the input response time will be as shown in the following table.
1. Internal input circuit
1) AC power type
Item 24 V DC input specifications
Input signal voltage All inputs
AC power type: 24 V DC 10%
DC power type: 20.4 to 28.8 V DC
Input impedance
X000 to X007 3.3 k
X010 or more 4.3 k
Input signal current
X000 to X007 7 mA/24 V DC
X010 or more 5 mA/24 V DC
Input sensitivity
current
Input ON
current
X000 to X007 4.5 mA or more
X010 or more 3.5 mA or more
Input OFF
current
All inputs 1.5 mA 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 All inputs
Turning on the input will light the LED indicator lamp
Input Input response time
X000, X001, X003, X004 10 s
X002, X005 to X007 50 s
Source input type
Main unit
Fuse
Class-D
grounding
Input
impedance
Sink input type
Main unit
Fuse
Class-D
grounding
Input
impedance
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