Mitsubishi Electric FX5U User Manual page 86

Handling of 24 V DC input
■Input terminal
• Sink input
When a no-voltage contact or NPN open collector transistor output
is connected between an input (X) terminal and the [0V] terminal
and the circuit is closed, the input (X) turns on.
The input display LED turns on.
S/S
24V
*
X000
X001
X007
• RUN terminal setting
X000 to X017 of the CPU module can be used as RUN input terminals
by setting parameters.
MELSEC iQ-F FX5 User's Manual (Application)
■Input circuit
• Function of input circuit
The primary and secondary circuits for input are insulated with a photocoupler, and the second circuit is provided with a C-R filter.
The C-R filter is designed to prevent malfunctions caused by chattering of the input contact and noise from the input line.
Input has a response delay switching from ON to OFF and OFF to ON, shown in the following table.
Item
Input response time FX5U-32M
(H/W filter delay)
FX5U-64M,
FX5U-80M
FX5U-32M
FX5U-64M,
FX5U-80M
FX5U-64M,
FX5U-80M
I/O module
• Change of filter time
All input circuits have digital filters, and the input response time shown in the following table can be added by setting parameters.
When using this product in an environment with much noise, set the digital filter.
Item
Input response time
(Digital filter setting value)
■Input sensitivity
For input signal current and Input sensitivity current of the CPU module, refer to Page 19 Input Specifications.
For input signal current and Input sensitivity current of the I/O modules, refer to Page 135 Input specifications.
6 WIRING
84
6.5 Input Wiring
Fuse
L
N
100 to 240 V AC
0V
*Input impedance
X000 to X005
X000 to X007
X006 to X017
X010 to X017
X020 and
subsequent
Specifications
None, 10 s, 50 s, 0.1 ms, 0.2 ms, 0.4 ms, 0.6 ms, 1 ms, 5 ms, 10 ms (initial values), 20 ms, 70 ms
• Source input
When a no-voltage contact or PNP open collector transistor output
is connected between an input (X) terminal and the [24V] terminal
and the circuit is closed, the input (X) turns on.
The input display LED turns on.
*
Specifications
ON: 2.5 s or less
OFF: 2.5 s or less
ON: 30 s or less
OFF: 50 s or less
ON: 50 s or less
OFF: 150 s or less
Fuse
L
N
100 to 240 V AC
S/S
0V
24V
X000
X001
X007
*Input impedance