3
Modbus Map
i
Internal
Maximum
Reference
Range
%Q1
2048
%M1
2048
%T1
2048
%QG1
256
%I1
2048
%IG1
256
%S1
256
%K1
256
%AI1
512
%AIG1
32
%SR1
32
%AQ1
512
%R
9999
%AQG1
32
Protocol Configuration
The Modbus master is configured in the Program drop down menu.
©IMO Precision Controls Ltd.
Modbus Master
Modbus Master Mapping
Traditional
Expanded
Modbus
Modbus
Reference
Reference
00001
000001
03001
003001
06001
006001
09001
009001
10001
100001
13001
103001
14001
104001
15001
105001
30001
300001
33001
303001
34001
304001
40001
400001
(Previously 43001
410001
for 2048 registers)
46001
406001
We can then configure the programmable ports
3
of the i
. Select either Port 1 or Port 2, however
it is easier in this case to configure port 2 and
leave port 1 to solely programming. Each port
can have different protocols and therefore the
3
i
can be utilised as a data exchanger.
To configure the i
the protocol.
4
Modbus Command(s)
Read Coil Status (1) Force
Single Coil (5) Force
Multiple Coils (15)
Read Input Status (2)
Read Input Register (4)
Read Holding Registers (3)
Preset Single Register (6)
Preset Multiple Registers
(16)
3
as a Modbus Master select
Modbus
Offset
00000
03000
06000
09000
00000
03000
04000
05000
00000
03000
04000
00000
03000
06000
10000
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