Mitsubishi Electric Q26UD(E)HCPU User Manual page 92

Q5B,
QA1S5B
Installation
V1
position
Extension 1 R1•I1
Extension 2 R1 (I1+I2)
Extension 3 R1 (I1+I2+I3)
Extension 4 R1 (I1+I2+I3+I4)
Extension 5 R1 (I1+I2+I3+I4+I5)
R1
Extension 6
(I1+I2+I3+I4+I5+I6)
R1
Extension 7
(I1+I2+I3+I4+I5+I6+I7)
The voltage supplied to "IN" connector of the Q5B or QA1S5B in the final extension base reaches 4.75 VDC or
higher on the condition that the sum total of voltage drop to "IN" connector of Q5B or QA1S5B (V) is 0.15V or
lower.
90
Voltage drop at extension cable on corresponding extension unit
V2
----
R2•I2
R2 (I2+I3) R3•I3
R2 (I2+I3+I4) R3 (I3+I4)
R2 (I2+I3+I4+I5) R3 (I3+I4+I5)
R2 R3
(I2+I3+I4+I5+I6) (I3+I4+I5+I6)
R2 R3
(I2+I3+I4+I5+I6+I7) (I3+I4+I5+I6+I7)
V3 V4
---- ----
---- ----
----
R4•I4
R4 (I4+I5) R5•I5
R4 (I4+I5+I6) R5 (I5+I6)
R4
R5 (I5+I6+I7)
(I4+I5+I6+I7)
voltage drops to
"IN" connector
V5 V6 V7
---- ---- ---- V=V1
---- ---- ---- V= V1+V2
---- ---- ---- V=V1+V2+V3
---- ---- ---- V=V1+V2+V3+V4
V=V1+V2+V3+V4+
---- ----
V5
V=V1+V2+V3+V4+
R6•I6 ----
V5+V6
V=V1+V2+V3+V4+
R6 (I6+I7) R7•I7
V5+V6+V7
Sum total of
of Q5B or
QA1S5B (V)