mru SWG 100 biogas, User Manual

Page: 50 / 141

MRU GmbH SWG 100 User Manual
Page 50 of 141
8.6. Configuration of the external control (Option: IO module)
This feature requires an I/O module (optional) and the function must be activated
.
This feature can be used for the external control of the analyser. With the help of
the external control follow operations can be done:
•
Externally controlled sampling point selection,
•
Stand-by.
The commands will be given by a 4-bit binary number, which will be built through
four external signals. The pins for the signal are shown in the sketch below. It exists
two different types to set the four pins:
•
Potential free relay contacts.
•
4-20 mA signal inputs.
•
Through one 4...20mA input.
•
Through Modbus.
The settings-menu can be found at the path:
E
XTRAS
/G
ENERAL SETTINGS
→
E
XTERNAL
CONTROL
.
The user can set three different types for the external control. The types can be
found at the sketch below.