2-62.2 Input and Output Specifications2.2.1 Input SpecificationsInput Specifications (for all types)Item DescriptionInsulation method Optical couplerRated input voltage 24V DCOperating voltage range 21.6 to 26.4V DCRated inptu currentFor X0, X1, X3, X4: approx. 8 mAFor X2, X5 to X7: approx. 4.3 mAFor X8 to XF: approx. 3.5 mAInput points per commonFor C32, C28: 16 points/common (X0 to XF/1 common)For C24: 8 point/common (X0 to X7/1 common, X8 to XF/1common)(Either the positive or negative of the input power supply can beconnected to common terminal.)Min. on voltage/Min. on current For X0, X1, X3, X4: 19.2V DC/6 mAFor X2, X5 to XF: 19.2V DC/3 mAMax. off voltage/Max. off current 2.4V DC/1.3 mAInput impedanceFor X0, X1, X3, X4: approx. 3 kΩFor X2, X5 to X7: approx. 5.6 kΩFor X8 to XF: approx. 6.8 kΩoff→onFor input X0, X1, X3, X4:1 ms or less: normal input5 μs or less: high-speed counter, pulse catch, interruptinput settings Note1)For inptut X2, X5 to X7:1 ms or less: normal input100μs or less: high-speed counter, pulse catch, interruptinput settings Note1)For input X8 to XF1 ms or less: normal inputonlyResponse timeon→off Same as aboveOperating mode indicator LED displayNote1) this specification is applied when the rated input voltage is 24V DC and the temperature is25°C/70°F.
