Installation; Installation Of Converter Lfc-1C-Pc; Overview And Preparation - Levitronix LEVIFLOW LFS-SU User Manual

3 Installation

3.1 Installation of Converter LFC-1C-PC

3.1.1 Overview and Preparation

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