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MELSEC-Q
3 SPECIFICATIONS
Address
Decimal (Hex)
Protocol
CH1 CH2
Application Name
Initial
value
MC Non Bi Pd
Registration
Reference
section
16449
(4041H)
16465
(4051H)
Execution status
0: Unexecuted
1: Waiting for transmission
2: Sending
3: Waiting for data reception
4: Receiving
5: Completed
0 — R Section 8.1.4
16450
(4042H)
16466
(4052H)
Pre-defined protocol function error code
0: Normal
Other than 0: Error (error code)
0 — R Section 11.2
16451
(4043H)
16467
(4053H)
Checking pre-
defined protocol
function
execution status
Number of protocol executions
0: No log
1 to 65535: Number of executions
0 — R
Not allowed
Section 8.1.3
16452 to
16463
(4044H to
404FH)
16468 to
16479
(4054H to
405FH)
Use prohibited System area —
16480 to 16517
(4060
H to 4085H)
Use prohibited System area
—
16518(4086H)
Protocol No.
1 to 128: Protocol No.
65535: Unidentified
0 — R
16519(4087H)
Setting type
0: Packet setting or element setting
1: Protocol detailed setting
65535: Not specified
0 — R
16520(4088H)
Packet No.
0: Send packet
1 to 16: Receive packet
65535: Unidentified
* Valid when the Setting type value is 0.
0 — R
16521(4089H)
Protocol setting
data error
information
Element No.
1 to 32: Element No.
65535: Unidentified
* Valid when the Setting type value is 0.
0 — R
Not allowed
Section
11.2.1
16522 to 16527
(408A
H to 408FH)
Use prohibited System area
—
16528
(4090H)
Number of registered protocols
0: No registration
1 to 128: Number of registrations
0 — R Chapter 8
16529 to 16536
(4091H to 4098H)
Checking
protocol setting
data
Protocol registration
0: Not registered
1: Registered
* The bit corresponding to each protocol No. turns on or off.
12341415
16
29303132 171819
45464748
333435
626364
495051
787980 656667
949596
818283
979899100
110111112
113114115116
126127128
4098 H
4097
H
4096
H
4095
H
4094
H
4093
H
4092
H
4091
H
b15 b14 b13 b2 b1 b0
0: Not registered
1: Registered
Each bit indicates the corresponding protocol No.
0 — R
Not allowed
—
16537 to 16607
(4099H to 40DFH)
Use prohibited System area
—
16608 to
16609
(40E0H to
40E1H)
16624 to
16625
(40F0H to
40F1H)
Use prohibited System area
—
16610
(40E2H)
16626
(40F2H)
Protocol
execution log
specification
Execution log options
0: Error logs of failed protocol executions are stored.
1: Execution states and logs of all protocols are stored.
0 — RW Allowed Section 8.1.4