Rs485 (Modbus) Modules - ABB IM/SM3000 User Manual

Multipoint videographic recorder
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...4.7.3 Hybrid Modules

4.7.4 RS485 (Modbus) Modules

Refer to the Modbus (RTU) Communications Option User Guide Supplement (IM/SM3000MOD) for information on connecting,
configuring and using the Modbus link.
Select the analog output source.
Note. The analog output source can be any internal or
external analog signal.
Set the required analog output engineering range.
Note. The 'Engineering low' and 'Engineering high' settings
are the engineering values corresponding to the 'Electrical
low' and 'Electrical high' values below.
Set the required analog output electrical range.
The 'Electrical low' and 'Electrical high' values are the
minimum and maximum values of the current output, in
Electrical units – range 0 to 23mA.
Source Range High
Analog Output
Engineering High
Analog Output
Engineering Low
Source Range Low
4 CONFIGURATION...
21mA
Analog Output
Electrical High
Analog Output
Electrical Low
0mA
83

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