CPU Types
FPΣ User's Manual
20
3.2 Input and Output Specifications
3.2.1 Input Specifications
The input specifications below apply to all FPΣ CPU types.
Item Description
Insulation method
Optical coupler
Rated input voltage
24V DC
Operating voltage range
21.6–26.4V DC
Rated input current
For X0, X1, X3, X4:
For X2, X5-X7:
For X8-XF:
≈8mA
≈4.3mA
≈3.5mA
Input points per common
C32, C28: 16 (X0–XF)
C24: 8 (X0–X7 and X8–XF)
(Either the positive or negative pole of the input power supply can be
connected to the common terminal.)
Min. ON voltage/min. ON current
For X0, X1, X3, X4:
For X2, X5–XF:
19.2V DC/6mA
19.2V DC/3mA
Max. OFF voltage/max. OFF current
2.4V DC/1.3mA
For X0, X1, X3, X4:
≈3kΩ
For X2, X5–X7:
≈5.6kΩ
Input impedance
For X8–XF:
≈6.8kΩ
FALSE → TRUE
Response time
TRUE → FALSE
For input X0, X1, X3, X4:
≤1ms: normal input
≤5μs: high-speed counter input, pulse catch input, interrupt input (see
note)
For input X2, X5–X7:
≤1ms: normal input
≤100μs: high-speed counter input, pulse catch input, interrupt input (see
note)
For input X8–XF:
≤1ms: normal input
Operation mode indicator
LEDs
NOTE
This specification applies when the rated input voltage is 24V DC and the
temperature is 25°C.
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