Ethernet Module
MGC-PRO MicroDrive
TCP/IP Interface
18
5815,0001EN / Version 00
5.1.3
Examples
Reading status – request
Description
Value
12
Transaction ID
34
00
Protocol ID
00
00
Length (Number of following Bytes)
06
MBAP
Unit ID
FF
Function Code (Read Holding Register)
03
00
Starting Address
01
00
PDU
Quantity of Register
02
Reading status – response
Description
Value
12
Transaction ID
34
00
Protocol ID
00
00
Length (Number of following Bytes)
06
MBAP
Unit ID
FF
Function Code (Read Holding Register)
03
Byte Count
04
Register Value HiHi
59
Register Value HiLo
80
Register Value LoHi
02
PDU
Register Value LoLo
01
Table 8: Example "Reading status", request and response