D-5 memory switches, D-6 special memory list – KEYENCE KV Series User Manual
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Appendices
2-172
Appendices
D-5
Memory switches
D-6
Special memory list
■ Temporary memory
Attribute R: Read, W: Write
■ Communication data memory
TM00
Used for arithmetic operations (DIV/MUL)
Attribute: R/W
TM01
Used for arithmetic operations (DIV)
Attribute: R/W
TM02 to TM27
Can be used by user
Attribute: R/W
TM28
Stores scan time beyond set value while constant scan
Attribute: R
time operation is performed.
TM29
Stores set value of constant scan time operation
Attribute: R/W
TM30
Stores CTC0 value when INT3 interruption is given.
Attribute: R
TM31
Stores measured scan time (mean value of
Attribute: R
every 10 scans).
bit0
Cancels error when power is ON.
1: Retains
0: Clears them and starts
operation.
bit1
Cancels error message "MEMORY ERASED" when
1: Memory error
value in data memory/counter or latch setting is erased. 0: Clears error and
continues operation.
bit2
Uses latch function of internal utility relays 1000
1: Yes
0: No
through 1915.
bit3
Uses latch function of internal utility relays 3000
1: Yes
0: No
through 3915.
bit4
Uses latch function of internal utility relays 4000
1: Yes
0: No
through 4915.
bit5
Uses latch function of internal utility relays 5000
1: Yes
0: No
through 5915.
bit6
Uses latch function of internal utility relays 6000
1: Yes
0: No
through 6915.
bit9
Clears DM0000 to DM0999 at power-on.
1: Clears
0: Retains
bit10
Clears DM1000 to DM1899 at power-on.
1: Clears
0: Retains
bit11
Switches between 24- and 16-bit comparators
1: 24-bit
0: 16-bit
for CTH0.
bit12
Switches between 24- and 16-bit comparators
1: 24-bit
0: 16-bit
for CTH1.
bit13
Clears values of counter, CTH, and CTC.
1: Clears
0: Retains
bit14
Write-protects program in KV PLC.
1: Yes
0: No
bit15
Read-protects program in KV PLC.
1: Yes
0: No
DM1000 to DM1099
Stores received text (PORT A)
DM1100 to DM1199
Stores text to be transmitted (PORT A)
DM1200 to DM1299
Stores received text (PORT B)
DM1300 to DM1399
Stores text to be transmitted (PORT B)
KVSKA Appendix.P65
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