ELIS PLZEŇ a. s.
Design, Assembly and Service Manual
Page 18 of 32
Electromagnetic flowmeter FLONET FN50xx.1
ELIS PLZEN a. s., Lucni 425/15, 301 00 Plzen, Czech Republic, Phone: +420/377 517 711, fax: +420/377 517 722
Es90716K
4.2. Electronic unit box
The signal-processing electronic unit is accommodated in a cast aluminum box coated on the surface with
paint of hue RAL 1017. The box is held by four (2x hexagonal head and 2x countersunk head) M5 bolts with
hexagonal socket heads. Inside the box is the terminal board accessible by removing the cover fastened by
4 bolts. The side of the box is equipped by cable glands. Prior to putting the meter in service, check the
correct sealing of all active glands, and tightening of the bolts holding the cover of the box.
The remote version of electronic unit is equipped with L- shaped angle bracket for wall mounting. Through
the cable bushing fitted at the angle bracket, the connecting cable connects electronic unit and junction box
of sensor.
4.2.1. Electronic unit specifications
Power source
85 to 305
VAC /47 ÷ 440 Hz
Power consumption
3 VA max.
Line fuse
T2 A
Electric shock protection according to standard
ČSN 332000-4-41
Automated disconnection from power source in TN-S
network
Cable bushing Pg9
For power supply cable with a diameter of 5 to 10 mm
Box material
Aluminum casting
Weight
0,4 kg
Ambient temperature
-
5 °C to 55 °C (protected from direct sun light)
Storage temperature
-
10 °C to 70 °C at relative air humidity not exceeding 70%
Flow velocity range
0,05 to 10 m/s
Maximum flow error
Acc to standard EN1434 or ISO4064-1 class 2 (standard)
0,2 % for 10 to 100 % Q
max
(on request)
0,5 % for 5 to 100 % Q
max
(on request)
Output 1 - passive output, insulated
Binary multi-function optocoupler 5-30 V / 50 mA
Frequency or pulse or binary *)
Serial communication ports
USB not insulated, only for service
Protection class
IP 65
*) A variant must be specified by an order. The calibration is done for a chosen output!