Expansion 
 
FPΣ User's Manual 
44 
4.2.2 Input and Output Specifications 
Input specifications 
Item  Description 
Insulation method 
Optical coupler 
Rated input voltage 
24V DC 
Operating voltage range 
21.6–26.4V DC 
Rated input current 
≈3.5mA 
Input points per common 
32 
(Either the positive or negative pole of the input power supply 
can be connected to the common terminal.) 
Min. ON voltage/min. ON current 
19.2V DC/3mA 
Max. OFF voltage/max. OFF current 
2.4V DC/1.3mA 
Input impedance 
≈6.8kΩ 
FALSE → 
TRUE 
≤0.2ms 
Response time 
TRUE → 
FALSE 
≤0.3ms 
Operation mode indicator 
LEDs 
Transistor output specifications 
Description 
Item 
NPN  PNP 
Insulation method 
Optical coupler 
Output type 
Open collector 
Rated load voltage 
5-24V DC  24V DC 
Operating load voltage range 
4.75–26.4V DC  21.6–26.4V DC 
Max. load current 
0.1A 
Max. surge current 
0.5A 
Output points per common 
32 
OFF state leakage current 
≤100μA 
ON state voltage drop 
≤0.5V 
FALSE → 
TRUE 
≤0.2ms 
Response time 
TRUE → 
FALSE 
≤0.5ms 
Voltage 
21.6–26.4V DC 
External power supply for 
driving internal circuit 
Current 
≤15mA  ≤30mA 
Surge absorber 
Zener diode 
Operation mode indicator 
LEDs 
Short circuit protection 
Short circuit prevention circuit, thermal protection