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Technical data.BEM 300BEM 500
Description

one channel, display of flow rate, 2 resettable totals, pulsation compensation, analog and pulse output, Modbus RTU interface

two channels, display of flow rate, 6 resettable totals, temperature, linearization, pulsation compensation with counter of flow direction change, analog, relay and pulse outputs, Modbus RTU interface
Power supply24 V DC +_ 20%same as BEM 300
EnvironmentOperating temperature
Storage temperature
Air moisture content
EMC
Shock
Vibration
-20 to +70°C
-20 to +80°C
97% relative humidity
EN 61 326
EN 61 373
EN 60 068-2-47
EN60 068-2-64
same as BEM 300
Casing

Mounting

Dimensions
Protection class
Material

Mass

wall mounting, installation,
control cabinet mounting
114x114x116mm (WxHxD)
IP65
plastic,
UV-resistant coating
1kg
same as BEM 300
SensorSensor type
Sensor supply Ub
Rate accuracy
Frequency
PNP, NPN, Namur
24 V DC, 8,2 V
<0,1%
20kHz
PNP, NPN, Namur, PT100
24 V DC, 8,2 V
<0,1%
20 kHz
Operation and electronicsDisplay
Keyboard
LCD, 4 lines, 20 characters,
with blacklighting
5 robust  micro-switches
same as BEM 300
Analog outputRange
Resolution
1 at 4 to 20 mA or
0 bis 10 V
(Cycle time 20 ms)
16bit
2 at 4 to 20 mA or
0 to 10 V
(Cycle time 20 ms)
16 bit
Pulse outputMaximum frequency 1 output at 250 Hz2 outputs at 250 Hz
direction or rotation option
Relay outputFunction
Voltage at nominal load
Switching current, resistive
Switching current,
inductive
break contact,  make contact
250 V AC, 30 V DC,
6 A AC/DC
2 A AC/DC
BusType
Baud rate
Data format
Modbus RTU via RS 232
or RS 485 (slave)
9600 baud
8N1 (8 Data bits, no parity, 1 stop bit)
same as BEM 300
 

KRAL AG | Bildgasse 40 | Industrie Nord | 6890 Lustenau | Österreich

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