Fema B RTU Series, User Manual, Page: 10 / 36

FEMA ELECTRÓNICA . SERIES B . Models Bxx-RTU
10
Format B24 Format B44 Format B26 Format B46
Number of digits 4 4 6 6
Digit height 60 mm 100 mm 60 mm 100 mm
Reading distance 25 meters 50 meters 25 meters 50 meters
Slots for output and control options 2 2 3 3
Maximum reading 9999 999999
Minimum reading -1999 -199999
Consumption (without options installed) 3 W 5.25 W 3.5 W 5.5 W
Consumption (with options installed) 5 W 6.75 W 5,5 W 7 W
Weight 2200 gr. 2500 gr. 3500 gr. 4500 gr.
Table 10 - Technical specifications associated to format
Digits
number of digits 4 or 6
(see Table 10)
digit 7 segments
view angle 120º
color red or green
digit height (see Table 10)
Reading
max., min.
(see Table 10)
decimal point X.X.X.X.X.X.
Protocol Modbus RTU
function slave within a Modbus RTU bus
speed from 38.400 bps to 600 bps
data formats 8n1, 8e1, 8o1, 8n2
addresses 1 to 247
bus terminator not included
wire section max. 0.5 mm
2
Watchdog configurable from 1 to 120 sec.
Errors communication loss with the
master
Power
power ‘H’ 85 to 265 Vac and 120 to 370 Vdc
isolated (isolation 2500 Vac)
power ‘L’ 11 to 36 Vdc isolated
(isolation 1500 Vdc)
consumption
(see Table 10)
fuses
(see section 1.10)
wire section max. 2.5 mm
2
1.13 Technical specifications
Configuration front keypad with 3 keys
remote keypad
(see section 3.1)
Output and control options relay output, analog retransmission,
Modbus RTU, ...
(see section 2)
Mechanical
IP protection full IP65 housing
mounting panel, wall , hanging
(see section
1.23)
connections cable gland outputs
internal plug-in screw terminals
housing material textured iron, black painted
methacrylate front filter
weight
(see Table 10)
front sizes
(see section 1.7)
panel cut-out
(see section 1.7)
depth
(see section 1.7)
Temperature
operation from 0 to +50 ºC
storage from -20 to +70 ºC
warm-up time 15 minutes