Table 10-9 Relay output
Description Channels 3 to 4
Type Change-over voltage-free relay contact
Load 30 V DC (30 V AC peak), 100 mA
Functions
● Alarm class / NAMUR status
● Alarm item
10.5 Construction
Table 10-10 Designated use
Description Specification
Measurement of process medium
● Fluid Group 1 (suitable for dangerous fluids)
● Aggregate state: Paste/light slurry, liquid and gas
Table 10-11 System design
Description Specification
Measuring principle Ultrasonic
System architecture Wall mount enclosure with internal DSL
Device design
Table 10-12 Wall mount enclosure transmitter design
Description Specification
Dimensions See Dimension drawings (Page 131)
Weight Transmitter (incl. DSL): 6 kg (13.2 lbs)
Display module: 0.095 kg (0.2 lbs)
Input/output module: 0.090 kg (0.2 lbs)
Design Wall mount enclosure with internal DSL
Material Aluminum with corrosion-resistant coating
Ingress protection IP66/67/NEMA 4X to EN/IEC 60529 (1 meter for 30 min)
Mechanical load 18 to 1000 Hz random, 3.17 g RMS, in all directions, to EN/IEC
68-2-36
Torques
Table 10-13 Installation torques
Description Torque (Nm)
Cable gland to enclosure (Sie‐
mens supplied, metric)
10
Technical data
10.5 Construction
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 127
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