VEGA VEGAFLEX 83 Modbus and Levelmaster protocol Polished version - Manual (Page 70)

70
11 Supplement
VEGAFLEX 83 • Modbus and Levelmaster protocol
41843-EN-130314
Torque for exchangeable rod probe (in
the process fitting)
4.5 Nm ±0.5 (3.32 lbf ft)
Torque for NPT cable glands and Conduit tubes
Ʋ Plastic housing max. 10 Nm (7.376 lbf ft)
Ʋ Aluminium/Stainless steel housing max. 50 Nm (36.88 lbf ft)
Input variable
Measured variable
Level of liquids
Min. dielectric constant of the medium ε
r
≥ 1.6
2
4
5
3
1
Fig. 36: Measuring ranges - VEGAFLEX 83
1 Reference plane
2 Probe length L
3 Measuring range (default setting refers to the measuring range in water)
4 Upper dead band (see diagrams under Accuracy - grey section)
5 Lower dead band (see diagrams under Accuracy - grey section)
Output variable
Output
Ʋ Physical layer Digital output signal according to standard EIA-485
Ʋ Bus specifications Modbus Application Protocol V1.1b, Modbus over serial
line V1.02
Ʋ Protocols Modbus RTU, Modbus ASCII, Levelmaster
Max. transmission rate 9.6 Kbit/s
Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1