Plc instruction area (q address), Error code, Bit area – KEYENCE SR-750 Series User Manual
Page 111: Word area and byte area, E sr-750 um
111
E SR-750 UM
PLC instruction area (Q address)
The PLC instruction area is divided into areas as follows.
Bit area
In the following areas, information is divided by bit.
Information is represented with 0 or 1.
Slot
Size
Module
name
Bit
address
Name
Description
Data contents
Remarks
10 1 byte
Latch and
Error Clear
Control Bits
0 (Reserved)
Reserved area
1 Result Data Latch
Result data update
permitted
0
→1: Writing to
result data
device
permitted
1
→0: -
This functions only
when handshake is
enabled.
2 (Reserved)
Reserved area
3 (Reserved)
Reserved area
4 (Reserved)
Reserved area
5 (Reserved)
Reserved area
6 (Reserved)
Reserved area
7 Error Clear
Error clear
0
→1: Error clear
1
→0: -
The following error
statuses and data are
cleared.
• Buffer Overflow
Error
• General error
• Result data
acquisition count
• Result data update
count
• Result data stored
in the transmission
buffer
11 1 byte
Operation
instruction
Control Bits
0 Read Request
Reading start request
0
→1: Start reading
1
→0: Stop reading
When specifying the
bank, specify to Bank
Number module.
1 Preset Request
Preset reading start
request
0
→1: Preset read
start
1
→0: Preset read
stop
Reading not possible
in the specified bank
2
Register Preset
Data Request
Preset data
registration request
0
→1: Preset data
registration
1
→0: -
Specify to User Data
Size/User Data
Module.
When deleting preset
data, set the user
data size to 1, set the
user data to 0xFF and
register preset data.
3 Tune Request
Tuning start request
0
→1: Start tuning
1
→0: Stop tuning
Specify the tuning
target bank number
to Bank Number
module.
4 (Reserved)
Reserved area
5 (Reserved)
Reserved area
6 (Reserved)
Reserved area
7 (Reserved)
Reserved area
12 1 byte
Completion
Clear Control
Bits
0
Read Complete
Clear
Reading complete
clear
0
→1: Complete clear
1
→0: -
Read completion
notification and read
failure notification
clear
1
Preset Complete
Clear
Preset reading
complete clear
0
→1: Complete clear
1
→0: -
Preset read
completion
notification and
preset read failure
notification clear
2
Register Preset
Data Complete
Clear
Preset data
registration complete
clear
0
→1: Complete clear
1
→0: -
Preset data
registration
completion
notification and
preset data
registration failure
notification clear
3
Tune Complete
Clear
Tuning complete
clear
0
→1: Complete clear
1
→0: -
Tuning completion
Notification and
tuning failure
notification clear
4 (Reserved)
Reserved area
5 (Reserved)
Reserved area
6 (Reserved)
Reserved area
7
EXT. Request
Complete Clear
External instruction
operation complete
clear
0
→1: Complete clear
1
→0: -
External instruction
operation completion
and external
instruction operation
failure notification
clear
Word area and byte area
In the following areas, information is represented with the following units.
• Word areas : Areas where 0 to 65535 is represented as a 2-byte unsigned
integer
• Byte area
: Areas where a character code such as ASCII code is represented
Error code
Slot
Size
Module
name
Bit
address
Name
Description
Data contents
Remarks
13 2 byte
Parameter
Bank
Number
Word
Bank Number
Bank Number
1 to 16
Bank Number
• For reading start
request
1 to 16:
Bank setting read
Other than 1 to 16:
Alternate read
• For tuning start
request
1 to 16:
Tuning result
storage bank
Other than 1 to 16:
Error
14
2 +
(user
data
size)
byte
• User Data
32byte
• User Data
64byte
• User Data
128byte
• User Data
252byte
* Select one
of them.
Word
User Data Size
Preset data size
Specify preset data
size.
Bytes
(preset
data
size)
User Data
Preset data
Specify preset data.
(Terminator is not
necessary.)
Error
Error code
Meaning
No error
0 Reading success/operation success
Reading error
201 Reading error
Comparison error
202 The read code does not match the preset data.
Tuning failure
(Symbol unclear)
210
The code could not be found within the field of
view while tuning.
Tuning failure
(Aborted)
213 Tuning was aborted midway.
Control instruction reception
error
120
Another operation instruction was received
during operation. (Operation instruction is not
performed.)
Bank No. error
102
The bank number specification is invalid (other
than 1 to 16).
Preset data error
220
Preset data specification is invalid.
(Specified size is outside the range.)
PROFINET data update error
230
Shortage of specified size (Result data and
present data size is beyond the limit.)