BASI
Electromagnetic flowmeter
BF
M921
Operation manual
23
Unit
°C
Table 9 : Nominal values – measurements
4.3.3
Inputs / outputs
PC interface
Active bus
RS232
RS485 address
2
Baudrate
9600
Mode
Normal
Modbus parity
None
Modbus address
10
Current output
Mode
Off
Fixed current
10 mA
Qi 20mA
flowrate Qn (nominal flowrate)
Loop test
Off
Error current
3.75 mA
Frequency output
Mode
Off
Fixed frequency
1000 Hz
Qf 1kHz
flowrate Qn (nominal flowrate)
Pulse output
Mode
Off
Pulse width
100 ms
Qp 1 pulse
flowrate Qn (nominal flowrate)
Status output
Mode
Off
Error mask
All errors (255)
Digital input
Mode
Off
Limits
Limit PF1
flowrate -Qn (- nominal flowrate)
Limit PF2
flQn (+ nominal flowrate)
Hysteresis
flowrate Qn/10
Dosing
Dose volume
1 m3/h
Table 10 : Nominal values - inputs/outputs