Operating Instructions
OIE 15en Edition 2019-12 HW 2.0/SW 2.0
17
Technical data of connections
Electrical connection
Analog input display background illumination
Display
Modbus interface
Pulse output
□
active pulse sources (PNP transistor switches power
supply)
□
maximum output current: 20 mA
□
short-circuit proof
□
load > 1 kΩ
□
scalable
□
signal level at 24 V DC power supply:
▪
high > 20 V DC
▪
low < 1 V DC
□
flow direction detection possible in "Encoder" mode
□
pulse width (high) settable from 2–200 ms
□
max. output frequency at pulse width 2 ms: 250 Hz
Component
Data
Analog input 0 - 10 V
□
input impedance: 3,4 kΩ
□
adjustable via menu only for U = 0 V
Designation
Data
Text display
□
4 lines / 20 characters
Updating rate
□
100 ms
Background illumination
□
20 levels, can be adjusted via software or analog input
Contrast
□
20 levels, can be adjusted via software
Language selection
□
german
□
english
□
french
□
spanish
Designation
Data
Interface type
□
RS 232 (SLAVE)
□
RS 485 (SLAVE)
Baud rate
□
9600 bauds
Data format
□
8N1 (8 data bit, no parity, 1 stop bit)
Protocol
□
Modbus RTU
Processor cycle time
□
20 ms
Component
Data
Summary of Contents for BEM 300 Series
Page 1: ...Operating Instructions KRAL Electronics BEM 300 Series OIE 15en Edition 2019 12 HW 2 0 SW 2 0 ...
Page 45: ...Operating Instructions OIE 15en Edition 2019 12 HW 2 0 SW 2 0 45 Notes Appendix Notes ...
Page 46: ...46 OIE 15en Edition 2019 12 HW 2 0 SW 2 0 Operating Instructions Notes Appendix Notes ...
Page 47: ...Operating Instructions OIE 15en Edition 2019 12 HW 2 0 SW 2 0 47 Notes Appendix Notes ...
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