Mitsubishi Electric FX3U SERIES - FX 3 U 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 - 25
A
Common Items
B
Built-in Positioning Functions
Apx.
Example Connection
2.4.4 FX3U Series main unit (24 V DC Input)
This section describes the input specifications of the FX3U 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
3U Hardware Edition.
*1. If inputs X000 to X007 are assigned to the zero-phase signal of DSZR instruction, the near-point
signal (DOG) of the ZRN instruction or the interrupt input of the DVIT the 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: 16.8 to 28.8 V DC
Input impedance
X000 to X005 3.9 k
X006, X007 3.3 k
X010 or more 4.3 k
Input signal current
X000 to X005 6 mA/24 V DC
X006, X007 7 mA/24 V DC
X010 or more 5 mA/24 V DC
Input sensitivity
current
Input ON
current
X000 to X005 3.5 mA or more
X006, 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 to X005 5 s
X006, X007 50 s
X0
S/S
0V
24V
Main unit
N
L
X1
24V 0V
Fuse
Class-D
grounding
Input
impedance
Sink input type
X0
S/S
0V
24V
Main unit
N
L
X1
24V 0V
Fuse
Class-D
grounding
Input
impedance
Source input type
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