NAiS FP Series User Manual page 31

Specifications and Functions of Control Unit
Limitations on number of simultaneous input on points
Keep the number of input points per common which are simultaneously on within the
following range as determined by the temperature.
[C32T]
16
Number of
points per
12
common
which are si-
8
multaneous
on
Ambient temperature (°C/°F)
Figure 11: FPΣ Limitations on number of simultaneous input on points
Internal circuit diagram
[X0, X1, X3, X4]
Figure 12: FPΣ Internal circuit diagram (Input- 1)
[X2, X5 to XF]
For X2 and X5 to X7, R1: 5.6 kΩ, R2: 1 kΩ
For X8 to XF, R1: 6.8 kΩ, R2: 820 Ω
Figure 13: FPΣ Internal circuit diagram (Input- 2)
2 - 8
at 24 V DC
at 26.4 V DC
46/ 52/ 55/
107.8 118.6 124
3 kΩ
510 Ω
R1
R2
[C24R]
16
Number of
points per
12
common
9
which are si-
7
multaneous
on
Ambient temperature (°C/°F)
Xn
COM
Xn
COM
FPΣ
at 24 V DC
at 26.4 V DC
46/ 48/ 55/
107.8 118.4 124