Delta AS Series Programming Manual page 930

The following table lists the operands for the MODRW instruction.
Operand
S
1
S
2
S
3
S Registers Y0–Y17 for reading and writing the data
n
ASCII mode
You do not need to convert the ASCII codes, and they are all expressed in 16# values.

AS sends the communication command: "：01 0F 0500 0010 02 D2 04 03 CR LF"

AS receives the communication command: "：01 0F A0 00 00 10 40 CR LF"
RTU mode

AS sends the communication command: "01 0F 05 00 00 10 02 D2 04 EA 43"

AS receives the communication command: "01 0F A0 00 00 10 76 07"
If the format is correct, SM100 is ON.
3. After receiving the data sent back from the DVP-ES2, the PLC confirms the data format sent back from the DVP-
ES2 and determines if it is correct. If no error occurs in the format, the corresponding special flags SM100 are ON;
if not SM102 is ON.
Device Y7
State ON
Value
Device Y17
State OFF
Value
4. Since this function code writes data, the operand n is ignored.
Description
Unit address
Function code
Device address of Y0
Data length
Y6 Y5 Y4
ON OFF ON
D
Y16 Y15 Y14
OFF OFF OFF
0
Cha p ter 6 App l ied Ins truc tio ns
Device
1
16#000F
16#0500
D10.0
16
Y3 Y2 Y1
OFF OFF ON
2
Y13 Y12 Y11
OFF ON OFF
4
6_
Y0
OFF
Y10
OFF
6 - 6 5 1