IDEC High Performance Series - Manual (Page 123)

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Con
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External Device Setup Manual
2.5.6 MELSEC-A1S/A2C (CPU)
Bit Device
Device Name Device Symbol Address Range Read
/Write Address
Gradual
MICRO/I PLC
Input Relay X X 0 - 1FF R *1
*1. Set this device using hexadecimal.
Output Relay Y Y 0 - 1FF R/W *1
Internal Relay M M 0 - 2047 R/W
Link Relay B B 0 - 3FF R/W *1
Latch Relay L L 0 - 2047 R/W
Timer (contact) TS T 0 - 255 R
Timer (coil) TC T 0 - 255 R/W
Counter (contact) CS C 0 - 255 R
Counter (coil) CC C 0 - 255 R/W
Special Internal Relay SM SM 9000 - 9255 R
Annunciator F F 0 - 255 R/W