6
Communication
7
Communication
RS 485 A
RS 485 B
8
Shielding
EMC safety
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10
Ultrasonic Flow Meter
UltraFlo
®
2000 SERIES
*it applies: for Q1 + Q2 100mA
IMPORTANT :
Only operate the flowmeter
UltraFlo
®
2000
within the operating limits stipulated on the product label and the
operating manual / data sheet. Use of the
UltraFlo
®
2000
outside these conditions will lead to overloads, which cause permanent
damage.
5
Analog output QA
4-20mA ; 0-20mA
Example: 0L/min => 4mA
300l/min => 20mA (depending on diameter)
Empty pipe Alert => 3.5mA
5
Analog output QA
4-20mA ; 0-20mA
Example: 0L/min => 4mA
300l/min => 20mA (depending on diameter)
Empty pipe Alert => 3.5mA
6
Communication
7
Digital Input
1. Dosing output
2. Set offset
3. Reset counter
4. Creeping flow off
Communication Interface
Digital input
Starts the dosage by a rising edge of 24V.
The Offset is set by a rising edge of 24V.
Reset of the counter by a rising edge of 24V.
Creeping suppression is deactivated as long as there are 24V at the input.
8
Shielding
EMC safety
1
24 VDC
2
Power supply : 18...30 VDC
8-Pin Plug with RS 485 Communication
3
GND
4
Digital input
Ground : 0 V
Digital input
1. Dosing output
2. Set offset
3. Reset counter
4. Creeping flow off
Starts the dosage by a rising edge of 24V.
The Offset starts by a rising edge of 24V.
Reset of the counter by a rising edge of 24V.
Creeping suppression will be deactivate as long as there are 24V at the input.
Digital output Functions
Digital Output Q1
Configurable npn-or pnp transistor, max. load 100mA.
Max. voltage must be less than the supply voltage
1. Pulse / Frequency output
2. Empty pipe output
3. Dosing output
4. Upper or Lower Limit output
5. Negative flow
Freely adjustable ranging from 0.1 to 3000 ml/pulse in 0.1ml/pulse steps,
Configurable output of 0V or 24V when pipe is empty.
Configurable output of 0V or 24V
Configurable output of 0V or 24V when reaching upper or lower limit
Configurable output of 0V or 24V when liquid flows in negative direction.
Summary of Contents for truflo UltraFlo 2000 Series
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