Levitronix LEVIFLOW LFS-SU User Manual

User Manual for LEVIFLOW
®
LFS-SU Flowmeters
www.levitronix.com
PL-4509-00, Rev09, DCO# 21-230
7
2.3 Specifications of Converter
2.3.1 Specifications of Single-Channel Converter LFC-1C-PC
Characteristics
Description or Values
Power Supply Voltage / Current / Inrush Current
24 VDC ± 10% / 150 mA / Peak of 3.8 A within 210 µs
Ambient Temp / Humidity Range
0 – 40 °C (32 – 122 °F) / 30 - 85% R.H. (no condensation)
Enclosure Classification and Material
IP-20 (indoor use), ABS
Interfaces
(see Figure 9 for detailed PIN designation and electrical
specification)
- RS485 -> MODBUS protocol -> max. array of 99 channels
- 1x Analog Output: 4 – 20mA (0 – 20mA configurable)
- 2x Digital Outputs: Flow Alarm, Measurement Error, Volume Counter Pulse, Volume Counter
Alarm, Flow as Frequency or Bubble Detection, Custom Output (default: normally open)
- 1x Digital Input: Volume Counter Reset or Zero Adjust
- 4 Digit display (flow rate, volume counter, error codes), re-zero button
- Address potentiometers for RS485 address setting
Standard Configuration Parameters
1
(Available and configurable with RS485/USB converter and
configuration software)
- Viscosity
- Low Cutoff
- Dampening time (filter)
- Full scale setting
- Linearization (15 points)
- Alarm Outputs (High and Low Alarm)
- Volume Counter and Volume Counter Alarm Settings
Weight / Dimensions / Mounting
130 g / 123 x 75 x 17.5 mm / DIN rail
Duration for Activation of Manual and Digital Zeroing
3 sec
Duration of Zeroing Procedure
LFC-1C-PC: normal 26 sec , maximum 60 sec
Duration of Measurement Ready after Power-On
Warm-Up Time for Full Performance Measurements
10 sec.
30 min.
Table 4: Specifications for converters LFC-1C-PC
Note 1: Other parameters available and described in the Levitronix

Service Software manual.
2.3.2 Specifications of Multi-Channel Converter LFC-6CIO-PC
Characteristics
6-Channel Converter LFC-6CIO-PC
Power Supply Voltage / Current / Inrush Current
Ambient Temp / Humidity Range
24 VDC ± 10% / 270 mA / Inrush Peak 4.9 A within 180 µs
0 – 50 °C (32 – 122 °F) / 30 - 85% R.H. (no condensation)
Enclosure Classification and Material
IP-20 (indoor use), ABS
Interfaces
(see Table 9 for LFC-6C and Table 9/Table 10/Table 11 for
LFC-6CIO for detailed PIN designation and electrical
specification)
- RS485 -> MODBUS protocol -> max. array of 99 ch.
- 4 Digit display (flow rate, volume counter, error codes), re-zero button
- Address potentiometers for RS485 address setting
- 6x Analog Outputs: 4 – 20mA (0 – 20mA configurable)
- 6x Digital Outputs: Flow Alarm, Measurement Error, Volume Counter Pulse, Volume Counter
Alarm, Flow as Frequency or Bubble Detection, Custom Output (default: normally open)
- 6x Digital Input: Volume Counter Reset or Zero Adjust
Configuration Parameters
1
(Available and configurable with RS485/USB converter and
service software)
- Viscosity
- Low Cutoff
- Dampening constant (filter)
- Full scale setting
- Linearization (15 points)
- Alarm Outputs (High and Low Alarm)
- Volume Counter and Volume Counter Alarm Settings
Weight / Dimensions / Mounting
215 g / 140 x 77.3 x 20.5 mm / DIN rail
Duration for Digital and Manual Zeroing
Duration of Measurement Ready after Power-On
Duration of activation: 3 sec Duration of procedure: normal 26 sec, maximum 60 sec.
Measurement ready after power-on: 10 sec. Warm-up for full performance: 30 min.
Table 5: Specifications for multi-channel converter LFC-6CIO-PC
Note 1: Other parameters available and described in the Levitronix

Service Software manual.
Note: Due to the reduced flow sampling rate per channel, the multi-channel converter LFC-6CIO-PC may be less suitable
for highly dynamic flow measurements in the lower flow range (like for example for flows with sharp pulses caused by roller
pumps).

Levitronix LEVIFLOW LFS-SU Specifications

General

Brand	Levitronix
Model	LEVIFLOW LFS-SU
Category	Measuring Instruments
Language	English