Icon Process Controls truflo UltraFlo 2000 Series Operating Manual page 10

UltraFlo ® 2000 SERIES
Ultrasonic Flow Meter
5 Analog output QA
6 Communication
7 Digital Input
1. Dosing output
2. Set offset
3. Reset counter
4. Creeping flow off
8 Shielding
*it applies: for Q1 + Q2 100mA
8-Pin Plug with RS 485 Communication
1 24 VDC
2
Digital output Functions
1. Pulse / Frequency output
2. Empty pipe output
3. Dosing output
4. Upper or Lower Limit output
5. Negative flow
3 GND
4 Digital input
1. Dosing output
2. Set offset
3. Reset counter
4. Creeping flow off
5 Analog output QA
6 Communication
7 Communication
8 Shielding
IMPORTANT : Only operate the flowmeter UltraFlo
operating manual / data sheet. Use of the UltraFlo
damage.
4-20mA ; 0-20mA
Example: 0L/min => 4mA
300l/min => 20mA (depending on diameter)
Empty pipe Alert => 3.5mA
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.
EMC safety
Power supply : 18...30 VDC
Digital Output Q1
Configurable npn-or pnp transistor, max. load 100mA.
Max. voltage must be less than the supply voltage
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.
Ground : 0 V
Digital input
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.
4-20mA ; 0-20mA
Example: 0L/min => 4mA
300l/min => 20mA (depending on diameter)
Empty pipe Alert => 3.5mA
RS 485 A
RS 485 B
EMC safety
® 2000 within the operating limits stipulated on the product label and the
®
2000 outside these conditions will lead to overloads, which cause permanent
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