Levitronix LEVIFLOW LFS-SU User Manual

User Manual for LEVIFLOW
®
LFS-SU Flowmeters
www.levitronix.com
PL-4509-00, Rev09, DCO# 21-230
13
3 Installation
3.1 Installation of Converter LFC-1C-PC
3.1.1 Overview and Preparation
Figure 13: Single channel converter LFC-1C-PC
Pin #
Designation
Specification
Standard Configuration
Description
1
DC24V+
Voltage: 24 VDC ±10%
Current: 150 mA
Start Current: 4.4 A 2ms
--
Supply voltage
2
DC24V-
3
FG
Field Ground
See note in installation Section 3.1.2
Field ground
4
Analog Out +
4-20 mA or 0-20mA configurable
Load resistance < 600 
Flow reading with 4-20 mA. Standard full
scale flow range of each sensor model.
Flow rate signal.
Update rate is 10ms.
5
Analog Out -
6
Digital Out1 +
Max. rating 30 V DC, 20 mA
Open collector
Configurable as Alarm High, Alarm
Low, Measurement Error, Volume
Counter Pulse, Volume Counter
Alarm, Flow as Frequency, Bubble
Detect
- Parameter: Flow Alarm High
- Setting: 105% of full scale
- Normally opened
Contact is made, when 105% of full scale flow
rate is exceeded.
7
Digital Out2 +
- Parameter: Flow Alarm Low
- Setting: -5% of full scale
- Normally opened
Contact is made, when -5% of full scale flow rate
is reached.
8
COM
-
Common Digital Out ground.
9
Digital In +
No-voltage contact or transistor open
collector
Zero Adjustment
Is needed, if zero adjustment wants to be
triggered by PLC or when volume counter
function is used (integration of flow with volume
detection)
10
Digital In -
11
RS485 +
RS485
MODBUS Protocol
Digital communication in a sensor array.
or configuration with configuration SW.
12
RS485 -
Table 8: Standard configuration of interface connector (PLC and fieldbus)
Note 1: Min torque for connector screws is 0.5 Nm and max. is 0.6 Nm.
a
DIN Rail Mounting
Sensor Connector
Interface Connector (12 Pin)
b
Re-Zero Button
High ADRS
LOW ADRS
4 Digit Display
c
LFC-1C-PC

Levitronix LEVIFLOW LFS-SU Specifications

General

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