AW-Lake RT-50 Manual de usuario
Installation, Operating &
Maintenance Manual
RT-50 DC/Loop Flow Transmitter
©2022 AW-Lake Company. All rights reserved. Doc ID: RT50DCLOOPMAN060122
2
Table of Contents
Unpacking.....................................................................................3
Quick Start Guide...........................................................................3
Power ..........................................................................................3
Installation.....................................................................................3
Product Description................................................................................. 3
Technical Specifications...................................................................4
Part Number Guide.........................................................................4
Wiring Connections ................................................................................. 5
Power Supply .......................................................................................... 6
Isolated Outputs ...................................................................................... 6
Analog Outputs........................................................................................ 7
Navigational Buttons ............................................................................... 8
Run Mode Screens .................................................................................. 9
Menu Navigation ............................................................................9
K-Factor......................................................................................10
Rate ...........................................................................................10
Total...........................................................................................10
Contract Time................................................................................11
Linearizer......................................................................................11
Input/Output.................................................................................12
System........................................................................................12
Bluetooth ............................................................................................... 13
Mobile Bluetooth App ............................................................................ 13
Menu Navigation ...........................................................................14
System Settings ............................................................................15
Output Settings .............................................................................16
Output Calibration..........................................................................16
Limit Settings................................................................................ 17
Linearizer.....................................................................................18
Device Log............................................................................................. 19
Date/Time Settings ................................................................................ 19
Compter Toolkit ..................................................................................... 20
Connecting..................................................................................20
Updating Firmware.........................................................................21
3
Unpacking
Separate the RT-50 Flow Display from packaging materials and check for any
visual signs of damage. If you determine there are damages caused by shipping,
file a claim with the shipping company. If the flow monitor appears to have been
improperly assembled or does not operate properly, Contact AW-Lake’s returns
department for replacement or repair.
Quick Start Guide
CAUTION: As with any precision-engineered device, always use the RT-50 in
accordance with the manufacturer’s instructions.
Power
Depending on version, the RT-50 can be powered with 24 Volts DC or can be
loop powered. Please check model number code to verify version type. For DC,
Power can be applied to pins 13 & 14. For Loop, apply power to pins 11 & 12.
See Page 5 for Connection details.
Installation
Secure display to flow meter by screwing sensor into designated sensor hole or
with proper fittings.
NOTICE: Before attaching the RT-50 to the flow meter, note any potential clearance
issues.
User must enter in the K-factor for the RT-50 before use. K-factors are found on
meter calibration sheet. For detailed instructions refer to programming instructions
in this manual. Once the K-factor is entered the unit is ready to read flow.
Product Description
The RT-50 flow display has the option to be powered by Battery, Loop, or DC
voltage. Showing Rate and Totals on an easy-to-read LCD display. With a new,
user-friendly menu structure, this unit is simple to setup and use. A new feature
with the RT-50 is, its Bluetooth capabilities. User can do the setup in the palm
of their hand and have a second display for checking flow information. The
basic function of this display is to read the incoming frequency from the attached
sensor and convert it to an accurate flow reading.
4
Frequency Output
Isolated output, matches sensor output
Linearizer
10-point programmable linearizer
Communication
Bluetooth and Modbus
Response Time
25 mSec
Housing Rating
NEMA 4X
Ambient Temperature
-4°F to +185°F (-20°C to +85°C)
Supply Voltage Range
24VDC or 4-20mA Loop
Analog Outputs
Lithium coin battery 3V. (CR2032)
4-20mA and 0-5V/1-5V
Limits
2 isolated limit outputs (24VDC Max)
Part Number Guide
RT–50–
–
Series
1 = TRG turbine and gear meters
(-60 & smaller)
2 = JV-80KL & -90KL gear meters
3 = TW & TR turbine meters
4 = High temperature
Power
D = DC powered
L = Loop powered
B = Battery powered
Sensor Type
C = Carrier frequency
(SS meters, TRG turbines)
M = Inductive (TR & TW turbine meters)
N = Inductive (Aluminum meters)
Sensor Mounting Thread
0 = Special mounting
3 = ½-20 UNF (TRG
turbines)
5 = M14 (gear meters)
7 = ½" TW collar
8 = ¾" TW collar
9 = 1" TW collar
Technical Specifications
LOOP POWER DC POWER BATTERY POWER
BT
BT decoupling
MODBUS
Isolated In/Out
I-OUT sourcing
I-OUT sinking
Hall Eect sensor (only when DC connected)
RF/IND sensor
V-OUT
Backlight
Options Based on Power Supply
5
Wiring Connections
Isolated Outputs
• Limit 2
• Isoltated Limit 1
• 0V
• Digital In
• Frequency Out
• 0V
• DC Voltage Input +
• DC Voltage
Power and Comms
• RS485 B
• RS485 A
• Loop + / I-out +
• Loop - / I-out –
• DC In + (Supply Power +)
• Ground (Supply Power -)
Sensor
• External 5V (Sensor Power +)
• Sensor Input
• Ground (Sensor Ground)
• 0-5 V Output
• Ground (Voltage Out Ground)
6
Power Supplies (Dependent on Variant)
DC Powered:
Voltage: 12 to 27V DC
Current: < 100mA
Loop Powered:
Voltage: 12 to 27V DC
Current: < 24mA
Isolated Outputs
The Isolated outputs require separate power.
Voltage: 12 to 27V DC
Current: < 10mA
Digital Input:
Input series resistance: 3.3 kΩ
Input Internal Pull-up resistance: 470 kΩ
Input Voltage: 3 – 12V
Input Frequency: < 10kHz
Isolated Input:
Input series resistance: 3.3 kΩ
Input Internal Pull-up resistance: 470 kΩ
Input Voltage: 3 – 12V
Input Frequency: < 10kHz
Isolated Output:
Output Configuration: Open Drain
Output Drain Current MAX: 100 mA
Output series resistance MAX: 6 Ω
Output Internal Pull-up resistance: 3.3 kΩ
Output Pull-up voltage: Connected Isolated
DC Supply Voltage
7
Analog Outputs
Passive 4-20mA (Sinking) and Loop
Powered
Loop Compliance Voltage: 12 to 27V
*Note that Loop Return is at different potential
to 0V
Active 4-20mA (Sourcing) Output:
Voltage on Output Terminal MAX: 12 to 27V
(DC Supply voltage)
Output series resistance: 30 Ω
0 – 5V Output:
Output series resistance: 400 Ω
8
Navigational Buttons
Left & Right Arrows
Allows user to switch between flow monitoring displays (ex. Rate, Total, Grand
total screen) Also allows user to move left and right when entering values.
Up & Down Arrows
Allows users to move up and down when in the menu structure. Also used to
increase and decrease values in programmable fields.
Enter
Used to Enter into a selected menu option.
F1
Dynamic button with 2 functions
• Gets user into Main Menu
• Go Back to previous menu
F2
Dynamic button with 3 functions.
• Quick Key to go directly into specific menus
• Saves user parameters
• Go Home to Main Screen
9
Run Mode Screens
There are 7 Run modes screens which include Home, Rate, Total, Grand Total,
Analog Out, and Bluetooth. To move from one screen to another simply press
the right or left arrow buttons. At the bottom of the run mode screens there are
two fast key options, F1 and F2. F1 gets you to the main menu and F2 takes you
directly to the programming parameter in the menu.
Note: Loop version does not have a limit screen but limits funcon the same.
Menu Navigation
The Main menu has 5 items. To move
between them, use the up and down arrows.
To go into the selected Menu press the
Enter button.
Note: settings will not take effect
until user presses SAVE
Figure 2
Figure 1
10
K-Factor
The K-factor is what links the flow display to
the meter. Each meter has a specific number
of pulses that equals a unit of measure, the
RT-50 uses pulses per gallon. In the main
menu press Enter on K-Factor (PPG) and
using the direction buttons enter in the k-factor
from the calibration sheet in pulses per gallon.
The decimal place does not move, so move over the necessary amount before
entering in the number. The right and left arrows move between numbers and the
up and down arrows will increase/decrease the number.
Rate
This menu allows the user to set the units and time base in which they would
like to read flow. The Rate and Total are independent of each other and must
both be changed if measuring in something other than gallons. With the selection
arrow on rate, press the Enter key. Use the up and down arrows to select your
units of measure and then press Next (F2). Now select the Time Base in the
same way a press Save (F2).
Total
This menu allows the user to set the units in which they would like to read the
total and grand total. It is also used to reset the total and grand total. The quick
key (F2) on the Total run mode screen takes you directly into the menu to reset
the totals. Once in the Volume Unit selection, use the up and down arrows to
choose desired units and press Save.
Figure 3
Figure 4
Figure 5
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