ICP DAS USA GW-7553-B User Manual page 76

Figure 70 Initiate request Parameters
Table 22 Send data Parameters
Parameters
PROFIBUS station address of GW-7553
Send Timeout (Lo)
Send Timeout (Hi)
Features Supported 1
Features Supported 2
Profile Features Supported 1
Profile Features Supported 2
Profile Ident Number (Lo)
Profile Ident Number (Hi)
--Sending Read request telegram to read data of the GW-7553
If configure CIF50-PB as a class 1 master,《Message Header->B》is 0x11
If configure CIF50-PB as a class 2 master,《Message Header->B》is 0x21
Please click Online->Message Monitor, then fill in parameters relative to Read
request telegram, as shown in Figure 71、Figure 72 and Table 23
GW-7553-B / GW-7553-M PROFIBUS/Modbus TCP Gateway User Manual (Version 1.35, May/2017)
PAGE: 76
Value Parameters
0x01 S-Type
0xF4 S-Len
0x01 D-Type
0x01 D-Len
0x00 S_Addr API
0x00 S_Addr SCL
0x00 D_Addr API
0x00 S_Addr SCL
0x00
Value
0x00
0x02
0x00
0x02
0x00
0x00
0x00
0x00
Telegram