2-6
2.2 Input and Output Specifications
2.2.1 Input Specifications
Input Specifications (for all types)
Item Description
Insulation method Optical coupler
Rated input voltage 24V DC
Operating voltage range 21.6 to 26.4V DC
Rated inptu current
For X0, X1, X3, X4: approx. 8 mA
For X2, X5 to X7: approx. 4.3 mA
For X8 to XF: approx. 3.5 mA
Input points per common
For C32, C28: 16 points/common (X0 to XF/1 common)
For C24: 8 point/common (X0 to X7/1 common, X8 to XF/1
common)
(Either the positive or negative of the input power supply can be
connected to common terminal.)
Min. on voltage/Min. on current
For X0, X1, X3, X4: 19.2V DC/6 mA
For X2, X5 to XF: 19.2V DC/3 mA
Max. off voltage/Max. off current 2.4V DC/1.3 mA
Input impedance
For X0, X1, X3, X4: approx. 3 kΩ
For X2, X5 to X7: approx. 5.6 kΩ
For X8 to XF: approx. 6.8 kΩ
off→on
For input X0, X1, X3, X4:
1 ms or less: normal input
5 μs or less: high-speed counter, pulse catch, interrupt
input settings
Note1)
For inptut X2, X5 to X7:
1 ms or less: normal input
100μs or less: high-speed counter, pulse catch, interrupt
input settings
Note1)
For input X8 to XF
1 ms or less: normal inputonly
Response time
on→off Same as above
Operating mode indicator LED display
Note1) this specification is applied when the rated input voltage is 24V DC and the temperature is
25°C/70°F.