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2. DEVICE RANGE THAT CAN BE SET
2.5 MELSEC-A
2.5 MELSEC-A
The device ranges that can be set when selecting
[MELSEC-A] as the controller type are as follows.
(1) For GT16, GT15, GT14, GT12, GT11
*1 In the computer link connection, the bit specification writing
of the word device to the ER29-0 (block 29 of the extension
file register) or later of A3ACPU, A3UCPU, or A4UCPU is
not available.
When the bit specification writing of the word device is
required, use the range of block No. 0 to 28.
*2 In the computer link connection, writing to the index register
(e.g., the touch switch function, numerical input function) is
not available.
*3 Only the intelligent function module on the station connected
to GOT can be specified.
Set within the address range of the buffer memory existing in
the target intelligent function module.
*4 The device No. must be set in multiples of 16.
*5 If the special internal relay (M) is converted to the word
device, treat 9000 of the device No. as 0 and set in multiples
of 16.
Example: M9000, M9016, M9240
(2) For GT10, GOT MULTI-DROP CONNECTION
*1 In the computer link connection, writing to the index register
(e.g., the touch switch function, numerical input function) is
not available.
*2 With the computer link connection, the GOT cannot read/
write data from/to the accumulator.
*3 This is not supported by GT10.
*4 The device No. must be set in multiples of 16.
*5 If the special internal relay (M) is converted to the word
device, treat 9000 of the device No. as 0 and set in multiples
of 16.
Example: M9000, M9016, M9240
Device name Setting range
Device No.
representation
Bit device
Input (X) X0 to X1FFF
Hexadecimal
Output (Y) Y0 to Y1FFF
Internal relay/Special
internal relay (M)
M0 to M32767
Decimal
Latch relay (L) L0 to L32767
Annunciator (F) F0 to F32767
Link relay (B) B0 to B7FFF
Hexadecimal
Timer
Contact (TT) TT0 to TT32767
Decimal
Coil (TC) TC0 to TC32767
Counter
Contact (CT) CT0 to CT32767
Coil (CC) CC0 to CC32767
Link special relay (SB) SB0 to SB7FF
Hexadecimal
Word device bit
Specified bit of the
following word devices
(Except Index register
and Buffer memory)
―
Word device
Data register/Special data
register (D)
D0 to D32767 Decimal
Link register (W) W0 to W7FFF
Hexadecimal
Timer (current value) (TN) TN0 to TN32767
Decimal
Counter (current value)
(CN)
CN0 to CN32767
Link special register (SW) SW0 to SW7FF
Hexadecimal
File register (R) R0 to R32767
Decimal
Extension
file register
(ER)
*1
Block 1 to 255
Device ER0 to ER32767
Index
register
*2
(Z) Z0 to Z15
(V) V0 to V6
Accumulator (A) A0 to A1
Buffer memory
(Intelligent function module)
(BM)
*3
BM0 to BM32767 Decimal
Ww Ww0 to Ww7FF
Hexadecimal
Wr Wr0 to Wr7FF
Bit device word
*4*5
Converting the above bit
devices into words
(Except Timer and
Counter)
―
Device name Setting range
Device No.
representation
Bit device
Input (X) X0 to X1FFF
Decimal
Output (Y) Y0 to Y1FFF
Internal relay/
Special internal relay (M)
M0 to M9255
Latch relay (L) L0 to L8191
Annunciator (F) F0 to F2047
Link relay (B) B0 to B1FFF
Hexadecimal
Timer
Contact (TT) TT0 to TT2047
Decimal
Coil (TC) TC0 to TC2047
Counter
Contact (CT) CT0 to CT1023
Coil (CC) CC0 to CC1023
Word device bit
Specified bit of the
following word devices
(Except Index register)
―
Word device
Data register/
Special data register (D)
D0 to D9255 Decimal
Link register (W) W0 to W1FFF
Hexadecimal
Timer (current value) (TN) TN0 to TN2047
Decimal
Counter (current value)
(CN)
CN0 to CN1023
File register (R) R0 to R8191
Index
register
*1
(Z) Z0 to Z6
(V) V0 to V6
Accumulator (A)
*2
A0 to A1
Bit device word
*3*4*5
Converting the above bit
devices into words
(Except Timer and
Counter)
―