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