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MELSEC-Q
7 PARAMETER SETTING
7.3 Automatic Communication Parameters
7.3.1 Automatic communication parameters details
Address
Parameter Name
Setting Range
Default
Value
0200
H
to
0201
H
(512 to 513)
Target station IP address
Refer to (1) in this section.
(00000000
H
: Automatic communication
parameter not set)
00000000
H
0202
H
(514)
Module ID
0 to 255
Target device
1) MODBUS
R
/Serial
0: Broadcast
1 to 247: MODBUS
R
/Serial device
station No.
2) MODBUS
R
/TCP: 255
255
0203
H
(515)
Repeat interval timer value
Set time = set value 10ms
0 to 65535
0
0204
H
(516)
Response monitoring timer value
Set time = set value 500ms
0,2 to 2400
When the set value is 0, the QJ71MT91
operates at 60 (30s).
0
0205
H
(517)
Type specification of the target
MODBUS
R
device
0000
H
: Not specified
0100
H
: Read coils
0200
H
: Read discrete inputs
0400
H
: Read input registers
0500
H
: Read holding registers
0001
H
: Write coils
0005
H
: Write multiple registers
0505
H
: Read/Write multiple registers
0000
H
0206
H
(518)
Head buffer memory address
1000
H
to 1FFF
H
0000
H
0207
H
(519)
Target MODBUS
R
device head
number
0 to 65535 (*1)
0
0208
H
(520)
Read s
et
ting
Access points (*2)
0 to 2000
0
0209
H
(521)
Head buffer memory address
3000
H
to 3FFF
H
0000
H
020A
H
(522)
Target MODBUS
R
device head
number
0 to 65535 (*1)
0
020B
H
(523)
Automatic
communication
parameter 1
Wri
te s
et
ting
Access points (*2)
0 to 1968
0
020C
H
to
04FF
H
(524 to 1279)
Automatic
communication
parameter 2 to 64
(Same as in automatic communication parameter 1)
*1: When specifying a value of 32768 (8000
H
) or more in a sequence program, set the value in hexadecimal.
*2: The setting range and default value of the access points change depending on the target MODBUS
R
device type. Refer to (8) in this section.