Automationdirect.com DirectLOGIC DL205 Series User Manual page 199

Registers
V-Memory (Timers)
V-Memory (Counters)
V-Memory (Data Words)
*Modbus: Function 04
The DL-250 supports function 04 read input register (Address 30001). To use function 04,
put the number '4' into the most significant position (4xxx) when defining the number of
bytes to read. Four digits must be entered for the instruction to work properly with this
mode.
LD
K101
LD
K4128
LDA
O4000
RX
Y0
1. Refer to your PLC user manual for the correct memory size of your PLC. Some of the
addresses shown above might not pertain to your particular CPU.
2. For an automated Modbus/Koyo address conversion utility, search and download the file
modbus_conversion.xls from the www.automationdirect.com website.
Chapter 4: System Design and Configuration
Word Data Types
Input/Holding
PLC Range (Octal)
(484 Mode)*
V0 – V377
V1000 – V1177
V1200 – V1377
V1400 – V1746
V1747 – V1777
V2000 – V7377
V10000 – V17777
The maximum constant possible is 4128. This
is due to the 128 maximum number of Bytes
that the RX/WX instruction can allow. The
value of 4 in the most significant position of the
word will cause the RX to use function 04
(30001 range).
DL205 User Manual, 4th Edition, Rev. B
Input/Holding
(585/984 Mode)*
3001/4001 30001/40001
3513/4513 30513/40513
3641/4641 30641/40641
3769/4769 30769/40769
--- 31000/41000
---
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41025
44097
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