Chapter 8 Serial Communication Module AH10/15SCM 
8-35 
the recording of all communication through COM1 and COM2 will stop. If Upload COM PORT 
History Data is selected, all communication data in AH10/15SCM-5A will be uploaded to SCMSoft. 
Please notice that the recording of all communication data stops before the data is uploaded to 
SCMSoft. If users want resume the recording of communication data, they must enable the COM 
port history function again.
 
 
 
8.7 Application 
8.7.1  Modbus 
This section introduces the how AH10/15SCM-5A is connected to other Delta industrial products 
such as a human-machine interface, a temperature controller, a programmable logic controllers, an 
AC motor drive, and a servo motor through Modbus. The connection framework is as follows. 
 
 
Product 
ID 
Communication 
protocol 
which data 
is read 
in the CPU 
module 
which data 
is written 
the CPU 
module 
VFD  10  38400, ASCII, 7, E, 1  16#2103  D100 
16#2000 
16#2001 
D150~ 
D151 
ASDA  11  38400, ASCII, 7, E, 1 
16#0101 
16#020A 
D200 
D201 
16#0101 
16#020A 
D250 
D251 
PLC  12  38400, ASCII, 7, E, 1 
D109 
D309 
D204 
D354 
TC  13  38400, ASCII, 7, E, 1 
(Present 
value) 
D400 
(Setting 
value) 
D451