Mitsubishi Q01CPU User Manual page 201

Melsec-q series, qcpu

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BASE UNIT AND EXTENSION CABLE

Voltage drop at the extension cable between the main base unit and extension base unit (Q5 B)

Voltage drop at the extension cable between the extension base unit (Q5 B) (extension stage n-1) and

extension base unit (Q5 B) (extension stage n)

Extension cable resistance between the main base unit and extension base unit (Q5 B)

Extension cable resistance between the extension base unit (Q5 B) (extension stage n-1) and extension base

unit (Q5 B) (extension stage n)

5VDC current consumption among extension stage 1 to 7

: Sum total of current consumed by Q5 B and currents consumed by the I/O, intelligent function modules loaded on the

The symbols including "I" (I1 to I7) vary with the modules loaded on the Q5 B. For details of the symbol, refer to the

user's manuals of the module used.

Table6.19 List for Calculating Voltage Drops Occurring at Extension Cables in System Consisting of Extensions 1 to 7

Voltage Drop at Extension Cable on Corresponding Extension Unit

The voltage supplied to "IN" connector of the Q5 B in the final extension reaches 4.75

VDC or higher on the condition that the sum total of voltage drop to "IN" connector of

Q5 B (V) is 0.15V or lower.

Table6.18 Symbol explanation

6.1.4 Guideline for Use of Extension Base Units

Sum Total of

Voltage Drops to

"IN" Connector

V=V1+V2+V3+V4

V=V1+V2+V3+V4

V=V1+V2+V3+V4

6.1 Base Unit

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