Link Special Register (Sw) - Mitsubishi MELSEC QS Series User Manual

9
DEVICE EXPLANATION
(4) Using link registers in a network system
In order to use link registers in the network system, network parameter settings must
be made.
Link registers not set in the network parameter settings can be used as data registers.
Remark

9.2.12 Link special register (SW)

(1) Definition
Link special register is a register used to store the communication status and error
contents of the CC-Link Safety master module, CC-Link IE controller network module,
and MELSECNET/H module.Since link special registers store the data link
information as numerical data, the error locations and error causes can be identified
by monitoring link special registers.
(2) Number of link special register points
The number of link special register points is as described in Table9.4.
Remark
For the network parameters, refer to the following manuals.
CC-Link IE Controller Network Reference Manual
Q Corresponding MELSECNET/H Network System Reference Manual
(PLC to PLC network)
Table9.4 Number of link special register points of each CPU module
CPU module
1536 points (SW0 to 5FF).
The number of device points for link special relays is 512 in the
CC-Link Safety master module, CC-Link IE controller network
module, and MELSECNET/H module.
The link special registers can be assigned as shown below.
Safety CPU
For details on the link special register, refer to the following manuals.
CC-Link Safety Master Module User
CC-Link IE Controller Network Reference Manual
Q Corresponding MELSECNET/H Network System Reference Manual
(PLC to PLC network)
Number of link special relay points
Link special register
SW0
For the 1st network
module
SW1FF
SW200
For the 2nd network
module
SW3FF
SW400
For the 3rd network
module
SW5FF
'
s Manual
9.2 Internal User Devices
9.2.12 Link special register (SW)
512
points
512
1536
points
points
512
points
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