Mitsubishi Electric MELSEC iQ-R Series - Device Code List

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8 DEVICE ACCESS
8.1 Data to be Specified in Commands
Device code list
The following shows the device code of each device and the notation of device number (decimal/hexadecimal).
The data to be set differs between MELSEC-Q/L series commands (subcommand: 0000, 0001) and MELSEC iQ-R series
subcommand (0002, 0003).
: Inaccessible
Device For MELSEC-Q/L
series
For MELSEC iQ-R
series
Device name Symbol Type Notation ASCII Binary ASCII Binary
Special relay SM Bit Decimal SM 91H SM** 0091H
Special register SD Word Decimal SD A9H SD** 00A9H
Input X Bit Hexadecimal X* 9CH X*** 009CH
Output Y Hexadecimal Y* 9DH Y*** 009DH
Internal relay M Decimal M* 90H M*** 0090H
Latch relay L Decimal L* 92H L*** 0092H
Annunciator F Decimal F* 93H F*** 0093H
Edge relay V Decimal V* 94H V*** 0094H
Link relay B Hexadecimal B* A0H B*** 00A0H
Data register D Word Decimal D* A8H D*** 00A8H
Link register W Hexadecimal W* B4H W*** 00B4H
Timer Contact TS Bit Decimal TS C1H TS** 00C1H
Coil TC C0H TC** 00C0H
Current value TN Word C2H TN** 00C2H
Long timer
*1
Contact LTS Bit Decimal LTS* 0051H
Coil LTC LTC* 0050H
Current value LTN Double word LTN* 0052H
Retentive timer Contact STS Bit Decimal SS C7H STS* 00C7H
Coil STC SC C6H STC* 00C6H
Current value STN Word SN C8H STN* 00C8H
Long retentive
timer
*1
Contact LSTS Bit Decimal LSTS 0059H
Coil LSTC LSTC 0058H
Current value LSTN Double word LSTN 005AH
Counter Contact CS Bit Decimal CS C4H CS** 00C4H
Coil CC CC C3H CC** 00C3H
Current value CN Word CN C5H CN** 00C5H
Long counter
*1
Contact LCS Bit Decimal LCS* 0055H
Coil LCC LCC* 0054H
Current value LCN Double word LCN* 0056H
Link special relay SB Bit Hexadecimal SB A1H SB** 00A1H
Link special register SW Word Hexadecimal SW B5H SW** 00B5H
Direct access input DX Bit Hexadecimal DX A2H DX** 00A2H
Direct access output DY Hexadecimal DY A3H DY** 00A3H
Index register Index register Z Word Decimal Z* CCH Z*** 00CCH
Long index register
*2
LZ Double word LZ** 0062H
File register
*3
Block switching
method
R Word Decimal R* AFH R*** 00AFH
Serial number access
method
ZR Hexadecimal ZR B0H ZR** 00B0H
Extended data register
*4
D Word Decimal D* A8H 
Extended link register
*4
W Word Hexadecimal W* B4H 
Refresh data register RD Word Decimal RD** 002CH
Network No. specified device
Link direct device
J\ Page 440 Accessing link direct devices