User guide

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Connection 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
*1
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 SS0 - 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
*1 *2
Internal Relay WM M 0 - 7664 R/W
*2
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 DD0 - 7999 R/W
State WS S 0 - 4080 R/W
*2
Special Internal Relay WSM SM 8000 - 8496 R
*2
Special Data Register SD SD 8000 - 8511 R
Extended Register R R 0 - 32767 R/W