COMMUNICATION MANUAL
GXE600 SERIES
TDKLambda
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2) Register Read
R eques t PD U
Read Scratch Pad 1.
Read Scratch Pad 2.
Field
Byte
Value
Value
Function code
1
0x 03
0x 03
Starting Address
2
300 (0x012C)
320 (0x0140)
Quantity of Registers
2
1 to 15 (0x0001 - 0x000F)
1 to 15 (0x0001 - 0x000F)
R es pons e PDU
Read Holdings.
Field
Byte
Value
Value
Function code
1
0x 03
0x 03
Byte count
1
2 x N *
2 x N *
Registers value
N* x 2
Reading data.
Reading data.
*N = Quantity of Registers
Error PD U
Read Holdings.
Field
Byte
Value
Value
Function code
1
0x 83
0x 83
Exception code
1
0x02 / 0x04
0x02 / 0x04
3) Register Write
R eques t PD U
Write Scratch Pad 1.
Write Scratch Pad 2.
Field
Byte
Value
Value
Function code
1
0x 10
0x 10
Starting Address
2
300 (0x012C)
320 (0x0140)
Quantity of Registers
2
1 to 15 (0x0001 - 0x000F)
1 to 15 (0x0001 - 0x000F)
Byte count
1
2 x N *
2 x N *
Registers value
N* x 2
writing data.
writing data.
*N = Quantity of Registers
R es pons e PDU
Write Scratch Pad 1.
Write Scratch Pad 2.
Field
Byte
Value
Value
Function code
1
0x 10
0x 10
Starting Address
2
300 (0x012C)
320 (0x0140)
Quantity of Registers
2
1 to 15 (0x0001 - 0x000F)
1 to 15 (0x0001 - 0x000F)
Error PD U
Write Scratch Pad 1 / 2.
Field
Byte
Value
Function code
1
0x 90
Exception code
1
0x02/0x03/0x04