External device setup manual – IDEC High Performance Series User Manual
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Con
nection
to a PLC
External Device Setup Manual
2.5.11
MELSEC-FX3UC (CPU)
Bit Device
Device Name
Device Symbol
Address Range
Read
/Write
Address
Gradual
MICRO/I
PLC
Input Relay
X
X
0 - 377
R
*1
*1. Set this device using octal.
Output Relay
Y
Y
0 - 377
R/W
Internal Relay
M
M
0 - 7679
R/W
Timer (contact)
TS
T
0 - 511
R
Counter (contact)
CS
C
0 - 255
R
Special Internal Relay
SM
SM
8000 - 8511
R
State
S
S
0 - 4095
R/W
Word Device
Device Name
Device Symbol
Address Range
Read
/Write
Address
Gradual
MICRO/I
PLC
Input Relay
WX
X
0 - 360
R
*1
*2
*1. Set this device using octal.
*2. Set this device using a multiplier of 16.
Output Relay
WY
Y
0 - 360
R/W
Internal Relay
WM
M
0 - 7664
R/W
Timer (current value)
TN
T
0 - 511
R
Counter (current value)
CN
C
0 - 199
R
32-bit counter (current value)
DCN
C
2000 - 2551
R/W
*3
*3. This device is a 32-bit device.
Data Register
D
D
0 - 7999
R/W
State
WS
S
0 - 4080
R/W
Special Internal Relay
WSM
SM
8000 - 8496
R
Special Data Register
SD
SD
8000 - 8511
R
Extended Register
R
R
0 - 32767
R/W