3 Technical data
3.3 Connection data
3.3.3
Pulse input and analog input
Component
Designation
Unit
Value
Pulse input
Limit frequency min. - max.
[Hz]
0.5 –
20000
Power supply for pick up
NPN/PNP
[V DC]
24
Namur
[V]
8.2
Input impedance
NPN/PNP
[kΩ]
3.2
Namur
[kΩ]
1
Can be configured for counter mode or encoder mode
Analog input
0 – 10 V (background
illumination)
Input resistance
[kΩ]
3.4
Only possible for U = 0 V setting in the menu
3.3.4
Analog output and pulse output
Component
Designation
Unit
Value
Analog output
4 – 20 mA
Active current source
Short-circuit proof
Scalable
Load
[Ω]
<500
Electrical isolation
[V
eff
]
500
Resolution
[μA]
1
Temperature drift
[%]
±0.1
Calibration tolerance
[%]
±0.1
Reaction time: 0.15 s x smoothing value
Analog output
0 – 10 V
Active voltage source
Short-circuit proof
Scalable
Load
[Ω]
>500
Resolution
[mV]
1
Temperature drift
[%]
±0.1
Calibration tolerance
[%]
±0.1
Reaction time: 0.15 s x smoothing value
Pulse output
Active pulse sources (PNP transistor switches power supply)
Output current max.
[mA]
20
Short-circuit proof
Load
[kΩ]
>1
Scalable
Signal level at 24 V DC power supply
High
[V DC]
>20
Low
[V DC]
<1
Pulse width adjustable
High
[ms]
2 – 200
Flow direction detection in the Encoder mode possible
Max. output frequency at pulse width 2 ms
[Hz]
250
3.3.5
Modbus interface
Designation
Unit
Data/value
Interface type
o
RS 232 (SLAVE)
o
RS 485 (SLAVE)
Baud rate
[Bd]
9600
Data format
8N1 (8 data bits, no parity, 1 stop bit)
Protocol
Modbus RTU
Processor cycle time
[ms]
20
6
OIE 15en-GB Edition 2020-03
Operating instructions
