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17
CHAPTER 2 SPECIFICATIONS
2
2.
2 Per
form
ance Spec
ificat
io
ns
2.
2.
2 S
cope
of
the power
supp
ly
f
o
r t
h
e
trans
miss
io
n cable
(b) Related constant of isolated slave modules (Izdin, Izdo)
For isolated slave modules, only the current required for the internal control circuit is supplied through the
transmission cable (DP, DN), whereas that for the connected load is supplied from a 24VDC external power
supply.
Izdin(A) = Internal current consumption of isolated input slave module/I/O combined slave module
Izdo(A) = Internal current consumption of isolated output slave module
●
In isolated slave modules, current consumption of the connected load is not subject to the current restriction condition for
the AnyWire Bitty system.
●
For the current consumption of isolated slave modules, refer to the manual for the slave module used.
(c) Supply current for transmission cable (I (A))
The supply current for the transmission cable of the AnyWire Bitty system is determined by the following
formula.
I(A) = (Ihin
m) + (Iho
n) + (Izdin
p) + (Izdo
q)
Number of connectable modules: m, n, p, q
(d) Maximum value of transmission cable supply current
For the maximum value of transmission cable supply current, refer to the following.
Isolated slave module
Control circuit
Load driver circuit (photocoupler isolation)
Connected load
24VDC external
power supply
24VDC external
power supply
24V 0V
24V 0V
24V 0V
24V 0V
0
1
n
DN
DP
DN
DP
NZ2AW1C1BY
Содержание CC-Link-AnyWire Bitty Bridge
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