Appendix 
 
FPΣ User's Manual 
274 
12.1 General Specifications 
 
Item  Description 
Rated operating voltage 
24V DC 
Operating voltage range 
21.6–26.4V DC 
C32 
C28 
4ms at 21.6V, 7ms at 24V, 10ms at 26.4V 
Momentary power 
off time 
C24 
3ms at 21.6V, 5ms at 24V, 8ms at 26.4V 
Ambient temperature 
0–+55°C 
Storage temperature 
-20–+70°C 
Ambient humidity 
30–85% RH (at 25°C non-condensing) 
Storage humidity 
30–85% RH (at 25°C non-condensing) 
Input terminals/Output terminals↔Power supply 
terminal/Function earth 
C32 
C28 
Input terminals«Output terminals 
500V AC for 1min
1)
 
Input terminals (X0–X7)/Input terminals (X8–
XF)↔Power supply terminal/Function earth 
500V AC for 1min
1)
 
Output terminals«Power supply terminal/Function earth 1500V AC for 1min
1)
 
Input terminals (X0–X7)↔Input terminals (X8–XF) 
500V AC for 1min
1)
 
Breakdown 
voltage 
C24 
Input terminals (X0–X7)/Input terminals (X8–
XF)↔Output terminals 
1500V AC for 1min
1)
 
Input terminals/Output terminals↔Power supply 
terminal/Function earth 
C32 
C28 
Input terminals«Output terminals 
Input terminals (X0–X7)/Input terminals (X8–
XF)↔Power supply terminal/Function earth 
Output terminals«Power supply terminal/Function earth
Input terminals (X0–X7)↔Input terminals (X8–XF) 
Insulation 
resistance 
C24 
Input terminals (X0–X7)/Input terminals (X8–
XF)↔Output terminals 
Min. 100MΩ (measured 
with a 500V DC megger) 
Vibration resistance 
10–55Hz, 1 cycle/min: double amplitude of 0.75mm, 10min on 3 axes 
Shock resistance 
98m/s
2
, 4 times on 3 axes 
Noise immunity (Power 
supply terminal) 
1000Vp-p, with pulse widths 50ns and 1μs (based on in-house measurements) 
Operation conditions 
Free from corrosive gases and excessive dust 
1)
 
Max. cutoff current: 10mA (without built-in varistor)