VEGA VEGABAR 87 Modbus and Levelmaster protocol - Operating Instructions - Manual (Page 69)

69
10 Supplement
VEGABAR 87 • Modbus and Levelmaster protocol
46297-EN-131107
Report Level (and Temperature)
Request:
Parameter Length Code/Data
Report Level (and Temperature) 4 characters ASCII Uuu?
Response:
Parameter Length Code/Data
Report Level (and Temperature) 24 characters ASCII UuuDlll.llFtttEeeeeWwwww
uu = Address
lll.ll = PV in inches
ttt = Temperature in Fahrenheit
eeee = Error number (0 no error, 1
level data not readable)
wwww = Warning number (0 no
warning)
Level in inches is repeated for sensors with 2 levels. PV value is transmitted as first measured value,
SV as second measured value.
PV, SV, TV and QV can be adjusted via the sensor DTM.
Report Unit Number
Request:
Parameter Length Code/Data
Report Unit Number 5 characters ASCII U**N?
Response:
Parameter Length Code/Data
Report Level (and Temperature) 6 characters ASCII UuuNnn
Assign Unit Number
Request:
Parameter Length Code/Data
Assign Unit Number 6 characters ASCII UuuNnn
Response:
Parameter Length Code/Data
Assign Unit Number 6 characters ASCII UuuNOK
uu = new Address