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4.2 Concept of I/O Number Assignment

4.2.2 I/O number of remote station

I/O NUMBER ASSIGNMENT

[System configuration]

[I/O number assignment]

Remark

"Empty" can be assigned in the following areas.

• Refresh area between the first CC-Link Safty master module and the

second CC-Link Safety master module.

• Refresh area between the second CC-Link Safty master module and the

MELSECNET/H module.

POINT

1. Inputs (X) and outputs (Y) can be used for MELSECNET/H network module

link I/O (LX, LY) refresh destinations (devices on the CPU module side).

2. When using multiple CC-Link Safety master modules, make sure that refresh

destination I/O numbers are not duplicated.

3. When using a CC-Link Safety master module and a MELSECNET/H module,

make sure that refresh destination I/O numbers are not duplicated.

Diagram 4.2 Remote station I/O number assignment

32 32 32

CC-Link Safety

master module

CC-Link Safety

master module

MELSECNET/H

module

CC-Link Safety system

Remote stationRemote stationRemote stationRemote station

CC-Link Safety system

Refresh destination for

the first CC-Link Safety

master module

I/O numbers assigned to CC-Link

Safety master module and

MELSECNET/H network module

I/O numbers which can be assigned to

remote stations

There are no restrictions on the order

of the I/O numbers assigned to I/O

number specified to refresh

destination of CCLink Safety master

modules and MELSECNET/H

modules.

Empty

Input/output(X/Y)

MELSECNET/H link I/O

(LX, LY) refresh

destination

Refresh destination for

the second CC-Link

Safety master module

X/Y0

X/Y5F

X/Y100

X/Y17FF

1 2 ... 51 52 53 54 55 56 57 58 59 60 61 ... 233 234

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