WaterMaster FET100
Electromagnetic floweter | Transmitter
5 Specification
Functional Specification
Power supply
Mains
Low voltage
DC
Supply voltage fluctuations within the specified range have no effect on accuracy
Digital Outputs (3 off)
Rating 30 V @ 220 mA, open collector, galvanically isolated
Maximum output frequency 5250 Hz
1 off dedicated to Alarm/ Logic, programmable function
2 off configurable to either Pulse / Frequency or Alarm / Logic function
Current output – HART FEX100 Variant
4 to 20 mA or 4 to 12/20 mA, galvanically isolated
Maximum loop resistance 750
HART protocol Version 5.7 (HART registered)
Signal levels compliant with NAMUR NE 43 (3.8 to 20.5 mA)
Low alarm 3.6 mA, High alarm, 21.8 mA
Additional accuracy
±0.1 % of reading
Temperature coefficient
RS485 Communications – PROFIBUS FEX100-DP Variant
Registered name FEX100-DP
RS485 (9.6 kbps to 1.5 Mbps), galvanically isolated
DPV0, DPV1
PA Profile 3.01
Standard idents: 9700, 9740, 9741
FEX100-DP specific ident: 3431
3 Concurrent MS2 master connections
RS485 Communications – MODBUS FEX100-MB variant
MODBUS RTU protocol
RS485 (9.6kbps to 115.2kbps), galvanically isolated
Electrical connections
1
20 mm glands,
/
in NPT, 20 mm armored glands
2
Transmitter mounting
Integral or remote
OI/FET100–EN Rev. A
85 to 265 V AC @ <7 VA
24 V AC +10 %/–30 % @ <7 VA
24 V ±30 % @ <0.4 A
typically <±20 ppm/°C
5 Specification
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