Mitsubishi Electric MELSEC-A User Manual page 82

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8. COMMUNICATIONS USING DEDICATED PROTOCOLS
MELSEC-A
(b) Device ranges when AnACPU dedicated commands. are used
The devices and device number ranges that can be used for device
memory access operation are described below.
I
The device designation code consists of 7 characters.
Leading zeros in the device number (underlined zeros in X m 7 0 ,
for example) can be expressed with a blank code (20H).
Devia,
+
Devim number
=7 characters
I character
{
(2 characters for TC)
]
{
(5 characters fw TIC)
Device
Input X
output Y
internal relay M
Latch relay L
Step relay S
Link relay B
Annunciator F
Special relay M
Timer (contact) T
Timer (coii) T
Counter (contact) C
Counter (coii) C
Bit Device
I
Word Device
X O O O O O O to
X0007FF
Y000000 to
YOOO7FF
M O O O O O O to
MOO8191
L O O O O O O to
LO08191
-
T C O O O O O to
TC02047
Decimal1
Hexadecimal
Expression
Hexadecimal
Device Number
Decimal1
Device
Range
Hexadecimal
Timer
T N O O O O O to
Decimal
Counter
(present value) C
I
CN01023
CNOOOOO
to
I
Link register W
WOOOFFF
I
wOOOOOO
I
Decimal
Data register D
Hexadecimal
Decimal
W00000 to
D006143
File register R
peciai register D
I
Hexadecimal
R000000 to
R006191
DO09000 to
W09255
Decimal

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