APG MPX-E Manuale utente
APG
R
Doc #9003761
Part #200204
Rev G, 06/2022
MPX Magnetostrictive Level Sensors
User Manual
For The MPX-E, MPX-E Chemical, and MPX-R
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 ....................................................................................................................................1-3
Specications ................................................................................................................................... 4
Model Number Congurator.......................................................................................................5-7
Electrical Connections and System Wiring Diagrams ........................................................ 8-9
Chapter 2: Installation and Removal Procedures and Notes............................10
Tools Needed................................................................................................................................... 10
Physical Installation Notes ......................................................................................................... 10
Physical Installation Instructions ..............................................................................................11
Electrical Installation ....................................................................................................................11
Removal Instructions ................................................................................................................... 12
Chapter 3: Programming ..........................................................................................12
Modbus Programming .................................................................................................................. 12
Modbus Programming with RST-6001 and APG Modbus Software .................................... 12
4-20 mA Programming with RST-4100 and APG Modbus Software.................................... 13
Modbus Register Lists For MPX-E/R4 ..................................................................................13-14
MPX-E/R4 Modbus Sensor Parameters................................................................................ 15-19
APG Modbus Register Lists for MPX-E/R2 and MPX-E/R3 ............................................. 19-20
MPX-E/R2 and MPX-E/R3 APG Modbus Sensor Parameters...........................................21-25
MPX-E/R Application Type Parameters..............................................................................26-30
Chapter 4: Maintenance ........................................................................................... 31
General Care.................................................................................................................................... 31
Repair and Returns........................................................................................................................ 31
Chapter 5: Hazardous Location Installation and Certication.........................32
Hazardous Location and Non-Incendive Wiring Diagram....................................................32
CSA Certicate of Compliance.............................................................................................. 33-35
iii
Introduction
Thank you for purchasing an MPX series magnetostrictive level sensor from APG. We appreciate your
business and your trust. Please take a few minutes to familiarize yourself with your MPX and this manual.
The MPX level sensor provides highly accurate and repeatable level readings in a wide variety of liquid level
measurement applications. It is certied for installation in hazardous areas in the US and Canada by CSA
for Class I, Division 1 & 2 and Class I, Zones 1 & 2 environments. The MPX-R’s large, buoyant, and robust
oats allow it to be used in harsh applications where fouling or buildup might otherwise be of concern.
The smaller, lighter weight oats of the MPX-E allow it to be used in applications where space is limited.
The MPX-E Chemical has a chemical resistant coating, allowing for use in corrosive, acidic, and marine
environments.
Reading your label
Every APG instrument 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. The following
electrical ratings and approvals are also listed on the label. Please refer to the Certicate of Compliance at
the back of this manual for further details.
Electrical ratings
Rated 12 - 24 VDC, 4-20 mA, or 80 mA
Class I, Division 1 & 2, Groups C, and D T4 (Ta 85°C)
Ex d IIB T4 (Ta 85°C)
Ex nA IIB T4 (Ta 85°C)
Class I, Zone 1; AEx d IIB T4 (Ta 85°C)
Class I, Zone 2; AEx na IIB T4 (Ta 85°C)
Non-Incendive Wiring Requirements: Vmax Ui= 28VDC, Imax Ii = 200ma, Ci = 0nF, Li = 0μH
IMPORTANT: MPX level sensor MUST be installed according to drawing 9003468 on
page 32 to meet listed approvals. For Class I, Division 1 and Class I, Zone 1 approvals,
seal required within 18 inches of the enclosure. Faulty installation will invalidate all safety
approvals and ratings.
DANGER: WARNING -- EXPLOSION HAZARD -- SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY
FOR CLASS I, DIVISION 2;
AVERTISSEMENT -- RISQUE D’EXPLOSION -- LA SUBSTITIOND E COMPOSANTSP EUTR ENDRE CE MATERIEL
INACCEPTABLE POUR LES EMPLACEMENTS DE CLASSE I, DIVISION 2.
DANGER: WARNING -- EXPLOSION HAZARD -- DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS
BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON-HAZARDOUS;
AVERTISSEMENT -- RISQUE D’EXPLOSION -- AVANT DE DECONNECTER L’EQUIPEMENT, COUPER LE COURANT
OU S’ASSURER QUE L’EMPLACEMENT EST DESIGNE NON DANGEREUX.
DANGER: OPEN CIRCUIT BEFORE REMOVING COVER or KEEP COVER TIGHT WHILE CIRCUITS ARE ALIVE;
AVERTISSEMENT -- OUVRIR LE CIRCUIT AVANT D’ENLEVER LE COUVERCLE, or GARDER LE COUVERCLE BIEN
FERME TANT QUE LES CIRCUITS SONT SOUS TENSION.
US
C
237484
DANGER: WARNING -- POTENTIAL ELECTROSTATIC CHARGING HAZARD - CLEAN ONLY WITH A DAMP
CLOTH;
AVERTISSEMENT -- DANGER DE CHARGE ELECTROSTATIQUE POTENTIEL - NETTOYER SEULEMENT AVEC UN
CHIFFON HUMIDE.
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 warranty 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 receive 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
Chapter 1: Specications and Options
MPX-E Sensor and Float Dimensions
• Dimensions
1.91”
1.88”
G
Float Ref.
S1=6”
S2=2.38”
Float Options
2.00”
2.06”
A & B
Float Ref.
S1=6”
S2=1.4”
1.38”
1.63”
C & D
2.20”
1.47”
F
1.87”
1.78”
E
Float Ref.
S1=6”
S2=1.1”
Float Ref.
S1=6”
S2=2.27”
Float Ref.
S1=6”
S2=1.5”
S2
Dead-Band
(from Float
Ref. to bottom
of stem)
Min. 12”
Max. 153”
S1
Dead-Band
(from Zero
Reference to
Float Ref.)
3/4” NPT
1/2” NPT
2.38”
4.94”
4.15”
ZERO
REFERENCE
GROUND
SCREW
7.32-7.44”
6.53-6.65”
Note:
For dual dimensions, large
housing dimensions are
above small housing
dimensions.
5.00”
4.25”
5.71”
4.92”
3/4” NPT
1/2” NPT
Housing
Connection
Location
Ø 0.27”
4.21”
3.74”
2Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
MPX-E Chemical Sensor and Float Dimensions
4.21”
3.74”
7.07”
6.28”
5.00”
4.25”
5.71”
4.92”
Kynar Float
S1
Dead-Band
(from Zero
Reference to
Float Ref.)
S2
Dead-Band
(from Float
Ref. to bottom
of stem)
3/4” NPT
1/2” NPT
2.13”
4.94”
4.15”
ZERO
REFERENCE
Min. 12”
Max. 153”
1.91”
1.88”
G
Float Ref.
S1=6”
S2=2.38”
Note:
S2 increases to 2.88” if bottom float stop used.
GROUND
SCREW
3/4” NPT
1/2” NPT
Housing
Connection
Location
Note:
For dual dimensions, large
housing dimensions are
above small housing
dimensions.
Ø 0.27”
3
MPX-R Sensor and Float Dimensions
5.00”
5.71”
5.00”
5.10”
5.88”4.98”
3.03”
3.00”
5.50”
3.08”
2.80”
3.07”
Float Ref.
S1=10.63”
S2=6”
Float Ref.
S1=12.25”
S2=4.25”
Float Ref.
S1=12.25”
S2=4.25”
Float Options
Y & Z / L & M
W & X
S & T
U & V / I & J
I & J U & V
4.21”
6.84” - 6.97”
S1
Dead-Band
(from Zero
Reference to
Float Ref.)
S2
Dead-Band
(from Float
Ref. to bottom
of stem)
Float
Ref.
S1=10”
S2=6.5”
3/4” NPT
1.90”
4.94”
2.00”
Y & Z
L & M
U & V
I & J
Min. 48”
Max. 300”
ZERO
REFERENCE
GROUND
SCREW
Ø 0.27”
3/4” NPT
Housing
Connection
Location
4Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
Performance
Resolution 4-20 mA: 14 bit DAC (1 mm)
Modbus: 0.04 in. (1 mm)
Accuracy Greater of ±0.05% of FS or 1 mm
RTD - 1k Ohm Accuracy: ±1°C
Environmental
Probe Operating Temperature -40° to 85° C (-40° to 185° F)
Storage Temperature -45° to 90° C (-49° to 194° F)
Enclosure Protection IP65
Maximum Operating Pressure MPX-E Chem Float: 30 PSIA @ 21° C (70° F)
Electrical
Supply Voltage 12-24 VDC at sensor
Current Draw Modbus (RS-485): 25 mA (typical, MPX-E)
28 mA (typical, MPX-R)
4-20 mA: 4-22 mA single / 8-44 mA dual (typical)
Protection Reverse Polarity
Surge (Output 4)
Materials of Construction
Housing Cast aluminum, epoxy coated
Stem MPX-E: 0.5” Ø 316L SS
MPX-E Chemical: 0.5” Ø 316L SS with chemical
resistant coating
MPX-R: 1” Ø 316L SS
Mounting 316L SS
Compression Fitting (slide) Aluminum with Neoprene bushing
Connectivity
Output Modbus RTU (RS-485), optional temperature
2 wire, loop-powered 4-20 mA
3 wire, loop-powered dual 4-20 mA
4-20 mA Set points
4 mA MPX-E, E Chem: Bottom of probe
MPX-R: Bottom of probe
20 mA MPX-E, E Chem: 6 inches below probe zero point
MPX-R: 10 inches below probe zero point
Programming
RS-485 Optional RST-6001 USB-to-RS-485 converter
4-20 mA Optional RST-4100 programming module
• Specications
5
• Model Number Congurator
Model Number: MPX - _E_ _____ _____ - _____ _____ - _____ _____ _____ __B__ - _____ - _____
A B C D E F G H I J K
A. Stem Type
□E 0.5 in. diameter 316L SS
B. Output
□2 Single oat, 4-20 mA (loop powered, 2 wire)
□3 Dual oat, 4-20 mA (loop powered, 3 wire)
□4 Modbus RTU, surge protection
C. Housing Type
All Housing Die-cast Aluminum, IP65, Blue
□__▲ Large Housing
□A Small Housing†
D. Float 1 (Top Float)
□A 316L SS Round (0.65 SG)
□B 316L SS Round (0.92 SG)
□C 316L SS Cylindrical (0.65 SG)
□D 316L SS Cylindrical (0.92 SG)
□E Buna-N (0.5 SG)
□F 316 SS 3A Cylindrical (0.5 SG)
□G Kynar Cylindrical (0.66 SG)
E. Float 2 (optional)
□N None
□B 316L SS Round (0.92 SG)††
F. Mounting Type
□P▲ NPT Plug 150#
□NNone
▲Note: This option is standard
†Note: Small housing only available with Modbus RTU (Output 4)
††Note: Float 2 option B requires Float 1 option A
G. Mounting Size
□1.5 1.5 in. (welded or slide connection)
□2▲ 2 in. (welded or slide connection)
□3 3 in. (slide connection only)
□NNone
H. Mounting Connection
□W Welded (xed)
□S Slide with Compression Fitting (adjustable)
I. Stem/Finish Material
□B 316L SS
J. Total Stem Length in Inches
□__ Min. 12 in. - Max. 153 in.
K. Optional Temperature Sensor
MPX-E4
□N▲None
□T Stem RTD, 1kΩ, 6 in. from bottom of probe
6Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]
Model Number: MPX - _E_ _____ _____ - __G__ __N__ - __P__ __2__ __W__ __E__ - _____ - _____
A B C D E F G H I J K
A. Stem Type
□E 0.5 in. diameter 316L SS
B. Output
□2 Single oat, 4-20 mA (loop powered, 2 wire)
□4 Modbus RTU, surge protection
C. Housing Type
All Housing Die-cast Aluminum, IP65, Blue
□__▲ Large Housing
□A Small Housing†
D. Float 1
□G Kynar Cylindrical (0.66 SG)
E. Float 2
□N None
F. Mounting Type
□P NPT Plug 150#
G. Mounting Size
□2 Size 2
▲Note: This option is standard
†Note: Small housing only available with Modbus RTU (Output 4)
H. Mounting Connection
□W Welded (xed)
I. Stem/Finish Material
□E Chemical resistant ETFE (Fluon®) coating
J. Total Stem Length in Inches
□__ Min. 12 in. - Max. 153 in.
K. Optional Temperature Sensor
MPX-E4
□N▲None
□T Stem RTD, 1kΩ, 6 in. from bottom of probe
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