APG True Echo GWR200 Manuale utente
APG
R
Doc #9004784
Rev A, 05/2016
Guided Wave Radar Level Transmitter
User Manual
True Echo™
For the GWR200
ii Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
Table of Contents
Introduction ................................................................................................................ iii
Warranty and Warranty Restrictions.................................................................... iv
Chapter 1: Specications and Options.................................................................... 1
Dimensions ........................................................................................................................................1
Specications ................................................................................................................................... 2
Model Number Congurator ......................................................................................................... 3
Wiring Diagram ................................................................................................................................ 4
Chapter 2: Installation and Removal Procedure and Notes................................5
Tools Needed .................................................................................................................................... 5
Installation Notes ............................................................................................................................ 5
Tensile Forces .................................................................................................................................. 5
Mounting Instructions .................................................................................................................. 6
Electrical Installation .................................................................................................................... 6
Powering on the True Echo™ ......................................................................................................... 6
Software Installation ...................................................................................................................... 6
Removal Instrustions ..................................................................................................................... 7
Chapter 3: Communications and Programming....................................................7
True Echo™ Communication Tool................................................................................................. 7
Setup................................................................................................................................................... 7
Navigation Window Options.......................................................................................................... 8
True Echo™ Communication Software Overview.................................................................9-12
Chapter 4: Maintenance ........................................................................................... 13
General Care.................................................................................................................................... 13
Repair and Returns........................................................................................................................ 13
iii
Introduction
Thank you for purchasing a True Echo™Guided Wave Radar level transmitter from APG. We appreciate your
business and your trust. Please take a few minutes to familiarize yourself with your True Echo™and this
manual.
The True Echo™GWR200 takes the mystery and frustration out of level measurement. With programmable
4-20 mA or RS-485 Modbus outputs, and innovative signal analysis, the True Echo™can accurately measure
solids, liquids, and slurries at depths up to 80 feet. NEMA 6 housing is standard, and 316 SS or PFTE-coated
316 SS probes operate in process temperatures from -40° to 398° F. Robust and reliable, the True Echo™
makes dicult level measurements easy.
Reading your label
Every APG sensor comes with a label that includes the instrument’s model number, part number, and serial
number. Please ensure that the part number on your label matches your order.
iv Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
Warranty and Warranty Restrictions
This product is covered by APG’s waranty to be free from defects in material and workmanship under
normal use and service of the product for 24 months. For a full explanation of our Warranty, please visit
https://www.apgsensors.com/about-us/terms-conditions. Contact Technical Support to recieve a Return
Material Authorization before shipping your product back.
Scan the QR code below to read the full explanation of our Warranty on your tablet or smartphone.
1
NEMA 6 ENCLOSURE
Standard Flange Option
6” (154mm)
4.3” (110mm) 4.3” (110mm)
Chapter 1: Specications and Options
• Dimensions
2-9/16” (65mm)
2-7/8” (73mm)
7/8”
(22mm)
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Performance
Measurement Range 1.25’ to 80’ with minimum dielectric constant of 0.3
Communications
Communications RS485 Modbus
Response Time 100 samples/sec/updated <100 millisec.
Electrical
Output 4-20mA, Isolated 4-20 mA
Loop Resistance 750 ohms (current loop 24VDC supply)
250 ohms (isolated 24 VDC supply)
Operating Voltage 12-30 VDC
Power Consumption <3W @ 24 VDC
Accuracy
Accuracy +/- 0.039” ( 1 mm) or 0.02% of measured distance,
whichever is greatest.
Repeatability +/- 0.02” (0.5mm)
Ambient Temp. Eect +/- 0.005”/K of measured value
Environmental
Maximum Operating Temperature Electronics: -40º to 158ºF (-40° to 70ºC)
Process/Probe: -40º to 398ºF (-40° to 203ºC)
Maximum Operating Pressure -14.50 PSI to 580 PS
Enclosure NEMA 6: Coated Epoxy Aluminum with IP67 Sealing
Materials of Construction
Probe Type/Diameter Rod Probe: 316 SS, 0.25” ø
PFTE-coated 316 SS, 0.395” ø
Wire Cable Probe: 316 SS, 0.195” ø
PFTE-coated 316 SS, 0.34” ø
Weighted Assembly: 0.75” diameter
Tensile Load 4,270 lbs max
Mounting
Process Connection/Type Standard: 1.50” MNPT
Option: 1.50” ANSI 150lb. Flange
Cable Entries (2) 1/2” NPT Conduit Entries
• Specications
3
• Model Number Congurator
Model Number: GWR200 - ____ - _____ - _____ - _____ - _____ - _____ - _____
A B C D E F G
A. Wiring Option
□4 4-wire
B. Probe Type
□R 316 SS Rod (120” max)
□T 316 SS PTFE Coated Rod (120” max)
□W Wire Cable (960” max)
□X PTFE Coated Wire Cable (960” max)
C. Enclosure Rating
□N6 NEMA 6
D. Process Connection
□0▲1.5” NPT
□1 1.5” ANSI 150# Flange
▲This option is standard
E. Conduit Entries
□1▲Two 1/2” NPT
□2 Two Cable Glands
□3 One 1/2” NPT, One Cable Gland
F. Probe Length
□___ Probe Length in Inches (15” to 120” or 960”)
G. Options
□NN▲None
□04 PTFE Isolation Gasket
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• Wiring Diagram
4-20mA-
4-20mA+
IS+
4
Isolated 4-20mA Output
Isolated 4-20 mA Circuit
4-20 mA
CURRENT
LOOP
Controller
Process
L
R
TX B+
TX A-
True Echo
Terminals
TX B+
TX A-
Network Node
Modbus
Comm A
Comm B
DC In +
DC In -
9
10
DC Gnd
+
Supply Voltage
DC Gnd
Note: Modbus Network connection
is seperate from supply voltage and
4-20 mA output.
5
• Installation Notes
Chapter 2: Installation and Removal Procedures and Notes
The True Echo™ GWR200 should be installed in an area--indoors or outdoors--which meets the following
conditions:
• Ambient temperature between -40º to 158ºF (-40° to 70ºC)
• Ample space for maintenance and inspection
Additional care must be taken to ensure:
• The probe is securely fastened to the sensor prior to installing the sensor on the tank or vessel
• The sensor is mounted away from tank or vessel walls and inlets
• The probe is free from obstructions such as inows and agitators
• The sensor threading is started by hand to avoid cross-threading
• Appropriately sized wrenches for sensor installation and for probe connection
• Flathead screwdriver for wire connections
• Tools Needed
NOTE: Do not mount the sensor where the probe will interact with objects such as ll
streams, pipes, ladder rungs, outlet ow, or agitators.
• Tensile Forces
Tensile forces are heavily dependent on the viscosity and abrasive characteristics of the product in the
vessel. Ensure the tensile loading is appropriate for the silo cover and mounting structure. The maximum
tensile load of the cable probe is 4,275 pounds.
6Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
• Software Installation
• Powering the True Echo™ for the First Time
1) Conrm the True Echo™ is mounted within the recommended specications.
2) Conrm the wiring is correct and all connections are as shown in page 4.
3) Apply power to the True Echo™.
4) The True Echo™ will take up to 30 seconds to warm up and stabilize upon initial startup. It will then per-
form a scan to locate the level which will take approximately 1 second or less. Once the load sequence is
complete and the True Echo™ has taken the rst measurement scan, the analog output should indicate the
material level (factory default) or distance measurement. If the proper analog output is not achieved please
contact the factory for further instructions.
• Download True Echo™ Software and windows driver ziple from https://www.apgsensors.com/support.
• Open the zip le.
• Choose “Install” from the options at the top of the zip le window.
• The software will create True Echo.exe which will run from a folder in your Start Menu titled “APG”.
• Remove the screw-on lid of the True Echo™.
• Feed the cable(s) into the True Echo™ via the 1/2” NPT or cable glands.
• Attach the wires of your control system to the True Echo™ terminal block according to the pinout table
on page 4.
• Replace the screw-on lid.
• Electrical Installation
• Mounting Instructions
Mounting your True Echo™ GWR200 is easy if you follow a few simple steps:
• Securely connect probe to sensor head prior to mounting sensor.
• Carefully feed probe through mounting hole
• Ensure that probe hangs free from obstructions
• Begin threading sensor NPT connection by hand
• Finish with wrench as necessary
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