LPGmass Modbus RS485
Technical data
Hauser
77
Current consumption
Transmitter
Order code for "Output"
Maximum
Current consumption
Maximum
switch-on current
Option
M
: Modbus RS485, for use in intrinsically safe
areas
145 mA
16 A (< 0.4 ms)
Safety Barrier Promass 100
Order code for "Output"
Maximum
Current consumption
Maximum
switch-on current
Option
M
: Modbus RS485, for use in intrinsically safe
areas
230 mA
10 A (< 0.8 ms)
Power supply failure
• Totalizers stop at the last value measured.
• Configuration is retained in the device memory.
• Error messages (incl. total operated hours) are stored.
Electrical connection
Potential equalization
Terminals
Transmitter
Spring terminals for wire cross-sections0.5 to 2.5 mm
2
(20 to 14 AWG)
Safety Barrier Promass 100
Plug-in screw terminals for wire cross-sections0.5 to 2.5 mm
2
(20 to 14 AWG)
Cable entries
• Cable gland: M20 × 1.5 with cable 6 to 12 mm (0.24 to 0.47 in)
• Thread for cable entry:
– NPT ½"
– G ½"
– M20
Cable specification
16.6 Performance characteristics
reference operating
conditions
• Error limits based on ISO 11631
• Water with +15 to +45 °C (+59 to +113 °F) at2 to 6 bar (29 to 87 psi)
• Specifications as per calibration protocol
• Accuracy based on accredited calibration rigs that are traced to ISO 17025.
To obtain measured errors, use the
Applicator
sizing tool → 73
Maximum measured error
Base accuracy