value [in the case of a field instrument] using the 4 - 20mA current loop. Additional device information is
communicated using a digital signal that is superimposed on the analog signal.
PrimaX is registered with the HART foundation and can be accessed at
http://www.hartcomm.org/
The device is available with an optional HART module or a module with HART and Relays for alarm and
failure. It uses the HART Protocol Revision 7 and can only communicate with HART Masters who support
revision 7 or higher.
The following HART functions are also available:
ZERO SPAN Calibration / Oxygen Calibration; ZERO Calibration; Sensor Exchange;
LCD/LED Test; Loop Test; Range setup; Reset alarm; Readout all measured data and
information.
4.7.2 Electrical installation
Figure 10 HART ports
1 Optional HART port
For wiring diagrams →chapter 10.6 Wiring Diagrams.
27 PrimaX GB
4 Operation
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