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• Modicon QUICKDESIGNER
Tag Variable Table
This protocol supports Multi-Drop and RS422/485 Half Duplex.
Some Modicon systems use multiple processors connected together. You can address a slave by adding
an underscore and the slave address to the variable name. For example, OD0001 is read from the
Source ID station address while OD0001_3 is read from slave address 3.
The latest version Modicon Modbus and Modbus Plus drivers support the new variable types DR
(double), LU(long), LS(long signed) and FR(float). This protocol also supports the Sixnet extensions
(Daniel) for those devices designed to utilize the extended variables. A copy of the Modicon tag
variable table is shown below.
Node ID Delimiter: _
Node ID Max: 1-247
Node ID Format: D
Address Format: D
Bit Delimiter for IR and OR: .
Bit Range for IR and OR: 1 to 16
Bit Format for IR and OR: D
NOTE: All output types except DR support "Single write command option".
Device Address Data Data Data Data Data Bit write Read
Prefix Range Range Range Format Width Word (y/n/ / Write
Min. Max. Order rmw)
Words
IR 1-65535 0 65535 UI 16 n/a n/a R
OR 1-65535 0 65535 UI 16 n/a rmw R/W
OS 1-65535 -32768 32767 SI 16 n/a n/a R/W
ON 1-65535 -32767 32767 SI 16 n/a n/a R/W
MS 1-65535 0 65535 TX 16 n/a n/a R/W
DR 1-65534 0 99999999 ? 32 n/a n/a R/W
LU 1-65534 0 99999999 LUI 32 ADJ n/a R/W
LS 1-65534 -99999999 99999999 LSI 32 ADJ n/a R/W
FR 1-65534 -99999999 99999999 FLT 32 ADJ n/a R/W
ILU 1-65534 0 99999999 LUI 32 ADJ n/a R
ILS 1-65534 -99999999 99999999 LSI 32 ADJ n/a R
IFR 1-65534 -99999999 99999999 FLT 32 ADJ n/a R
Bits
OD 1-65535 0 1 Bit 1 n/a Y R/ W
ID 1-65535 0 1 Bit 1 n/a Y R
Sixnet Extensions (Daniel)
DIL 1-65534 -100000000 100000000 LSI 32 n/a R
DOL 1-65534 -100000000 100000000 LSI 32 n/a R/W
DIF 1-65534 -100000000 100000000 FLT 32 n/a R
DOF 1-65534 -100000000 100000000 FLT 32 n/a R/W
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