PROline Promag 10 5Operation
Endress+Hauser 53
5.4.2 Device variables and process variables
Device variables:
The following device variables are available using the HART protocol:
Process variables:
At the factory, the process variables are assigned to the following device variables:
• Primary process variable (PV) → Volume flow
• Second process variable (SV) → Totalizer
• Third process variable (TV) → Not assigned
• Fourth process variable (FV) → Not assigned
5.4.3 Switching HART write protection on/off
HART write protection can be switched on or off via the "WRITE PROTECTION" device
function (see Page 105).
ID (decimal) Device variable
0 OFF (unassigned)
1 Volume flow
250 Totalizer