Mitsubishi Electric Melsec A Series - 3.5 Parameter Comparisons; 3.5.1 Parameter comparisons

REPLACEMENT OF MELSECNET (II) AND /B (REMOTE I/O NETWORK)
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3.5.1 Parameter comparisons
The network parameters of MELSECNET (II) are deleted when the programmable controller type is
changed with the GX Developer. After changing the programmable controller type, set the
MELSECNET/H network parameters again.
(1) MELSECNET (II)  MELSECNET/H
The following shows a comparison between MELSECNET (II) network parameter settings and
MELSECNET/H network parameter settings.
The MELSECNET (II) master station is compared with the MELSECNET/H master station.
: Compatible, : Partial change required, × : Incompatible
*1 This is set when the AnU/AnUS(H)/QnA/QnASCPU is mounted.
*2 Applied when LB/LW are set for both the first half/second half on MELSECNET (II). (For details, refer to Section 3.5.2
Parameter change example.)
*3 This is the data separation prevention function for reading/writing cyclic data of two words or more in a single operation.
(For details, refer to Section 3.7 Replacement Precautions.)
3.5 Parameter Comparisons
MELSECNET (II) MELSECNET/H
Optical loop Optical loop
MELSECNET (II) MELSECNET/H
Compat-
ibility
Precautions for
replacement
Master
station
Network type
Master
station
Network type
Starting I/O No.
*1
Starting I/O No.
- (No setting) Network No.
Mandatory for the
MELSECNET/H.
Total number of (slave) stations Total number of (slave) stations
Network range assignments
LB, LW assignments on the
master station and remote
I/O stations
Network range assignments
LB, LW assignments on the
master station and remote
I/O stations
Station inherent parameter
*2
Supplemental settings-
Secured data send
Supplemental settings-
Secured data receive
*3
LX/LY assignments on the
master station and remote
I/O stations
LX/LY assignments on the
master station and remote
I/O stations
Refresh parameters
*1
Refresh parameters
Remote I/O
station
- (No setting)
Remote I/O
station
- (No setting)
R3R1
M
R2
Network 1
1R31R1
1M
R
1R2