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MELSEC-Q
3 SPECIFICATIONS
Address
Decimal (Hex)
Applicable
protocol
CH1 CH2
Application
Name
Initial
value
MC Non Bi
Registration
allowed/not
allowed
Reference
section
Cycle time units designation
8256
(2040H)
8512
(2140H)
0: 100 ms 1: s 2: min
2
Cycle time designation
8257
(2041H)
8513
(2141H)
0
H
: No designation
1
H
to FFFF
H
: PLC CPU monitoring cycle time
5
H
PLC CPU monitoring function designation
0: Do not use the function. 1: Fixed cycle transmission
8258
(2042H)
8514
(2142H)
2: Condition agreement transmission
0
PLC CPU monitoring transmission measure designation
(for fixed cycle transmission)
8259
(2043H)
8515
(2143H)
0: Data transmission (device data and CPU status data)
1: Notification
8260
(2044H)
8516
(2144H)
Transmission pointer designation (For fixed cycle transmission and
data transmission)
1 to 100: Output head point (send from the nth)
Send the user frames designated in the following transmission
frame No. designation areas from the designated pointer position.
(addresses: CH1 side = BA
H
to 11D
H
, CH2 side = 15A
H
to 1BD
H
)
Output count designation (for fixed cycle transmission and data
transmission)
8261
(2045H)
8517
(2145H)
1 to 100:Output count (designate the number of frame transmissions.)
Data No. for connection designation (for fixed cycle transmission
and notification)
8262
(2046H)
8518
(2146H)
For designation
of PLC CPU
monitoring
function
0BB8
H
to 0BD5
H
, 8001
H
to 801F
H
: Data No. for connection
0
R — Allowed
Chapter 2
of User's
Manual
(Application)
8263 to
8268
(2047H to
204CH)
8519 to
8524
(2147H to
2149H)
Use prohibited
System area
—
Number of registered word blocks designation
8269
(204DH)
8225
(214DH)
0 : No designation
1 to 10: Number of blocks of word devices
Number of registered bit blocks designation
8270
(204EH)
8226
(214EH)
0 : No designation
1 to 10: Number of blocks of bit devices
It is possible to
designate a
maximum of 10
blocks in total.
PLC CPU abnormal monitoring designation
8271
(204FH)
8527
(214FH)
0: Do not monitor. 1: Monitor.
Monitoring device designation
8272
(2050H)
8528
(2150H)
90
H
to CC
H
: Device code
Head device No. designation
8273 to
8274
(2051H to
2052H)
8529 to
8530
(2151H to
2152H)
0 or more: Head device No.
Read point designation
8275
(2053H)
8531
(2153H)
1 or more: Number to read points
Monitoring condition designation (judgment condition
designation)
8276
(2054H)
8532
(2154H)
1 or more: Monitoring condition
Monitoring condition value designation
8277
(2055H)
8533
(2155H)
At bit device 0: OFF 1: ON
At word device 0 to FFFF
H
: Monitoring condition value
8278
(2056
H
)
8534
(2156
H
)
Transmission pointer designation (for condition
agreement transmission and data transmission)
1 to 100: Output head point (send from nth)
Send the user frames designated in the following
transmission frame No. designation areas from the
designated pointer position.
(address: CH1 side = BAH to 11DH, CH2 side = 15AH
to 1BDH)
Output count designation (for condition agreement
transmission and data transmission)
8279
(2057H)
8535
(2157H)
1 to 100: Output count (designate the number
of frame transmissions)
Data No. for connection designation (for condition
agreement transmission and notification)
8280
(2058H)
8536
(2158H)
For designation
of PLC CPU
monitoring
function
No. 1
block
monitoring
device
0BB8
H
to 0BD5
H
, 8001
H
to 801F
H
: Data No. for
connection
0R—
8281 to
8361
(2059H to
20A9H)
8537 to
8617
(2159H to
21A9H)
For designation
of PLC CPU
monitoring
function
Block
monitoring
devices
No. 2 to
10
The structure of each area is the same as the first block monitoring device area
See *2 for the details of each area.
Allowed
Chapter 2
of User's
Manual
(Application)
8362 to
8421
(20AAH to
20E5H)
8618 to
8677
(21AAH to
21E5H)
Use prohibited System area
—