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User's
Manual
AXFA11G
Magnetic Flowmeter
Remote Converter
[Hardware Edition/Software Edition]
IM 01E20C01-01E
IM 01E20C01-01E
5th Edition
Yokogawa Electric Corporation
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CONTENTS Contents 1. INTRODUCTION ................................................................................................... 1-1 1.1 Using the Magnetic Flowmeter Safely ........................................................... 1-2 1.2 Warranty .......................................................................................................... 1-2 1.3 Combination Remote Flowtubes..................................................................... 1-3 2. HANDLING PRECAUTIONS.....
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CONTENTS 6. PARAMETER DESCRIPTION ............................................................................ 6-1 6.1 Parameters ....................................................................................................... 6-1 6.2 Parameter Lists ................................................................................................ 6-1 6.3 Parameter List Overview ................................................................................ 6-2 6.4 Parameter Description ..
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CONTENTS 9. ACTUAL OPERATION......................................................................................... 9-1 9.1 Pre-operation Zero Adjustment....................................................................... 9-1 9.1.1 Zero Adjustment Using Display Unit Switches ....................................... 9-2 9.1.2 Zero Adjustment via External Status Input .............................................. 9-3 10. MAINTENANCE ............................................................
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1. INTRODUCTION 1. INTRODUCTION This instrument has been adjusted at the factory before ments. If this instrument is used in a manner not shipment. specified in this manual, the protection provided by this instrument may be impaired. To ensure correct use of the instrument, please read • Yokogawa will not be liable for malfunctions or this manual thoroughly and fully understand how to damage resulting from any modification made to this operate the instrument before operating it. instrument by
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1. INTRODUCTION (4) Maintenance 1.1 Using the Magnetic •Maintenance on the magnetic flowmeter should Flowmeter Safely be performed by expert engineer or skilled personnel. No operator shall be permitted to perform any operations relating to maintenance. WARNING •Always conform to maintenance procedures (1) Installation outlined in this manual. If necessary, contact •Installation of the magnetic flowmeter must be Yokogawa. performed by expert engineer or skilled person- • Care should be taken
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1. INTRODUCTION 1.3 Combination Remote Flowtubes IMPORTANT •The AXFA11 Magnetic Flowmeter Converter should be used in combination with the follow- ing remote flowtubes: AXFA11G ⇔AXF002-N to AXF26L-N Contact Yokogawa before using it in combina- tion with flowtubes other than those listed above. • The model AXFC remote flowtube with optional code JF3 (TIIS flame proof type) cannot be combined with the AXFA11 con- verter. In this case, use the AXFA14 converter. • If the converter combine
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2. HANDLING PRECAUTIONS 2. HANDLING PRECAUTIONS This instrument has been inspected carefully at the 2.3 Storage Precautions factory before shipment. When the instrument is delivered, visually check that no damage has occurred If the instrument is to be stored for a long period of during transportation. time after delivery, observe the following points. Read this section carefully as it contains important The instrument should be stored in its original information on handling this instrument.
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3. INSTALLATION 3. INSTALLATION WARNING Installation of the magnetic flowmeter must be performed by expert engineer or skilled personnel. No operator shall be permitted to perform procedures relating to installation. 3.1 Installation Location IMPORTANT Install the instrument in a location where it is not exposed to direct sunlight. For ambient temperature, refer to Chapter 11 “OUTLINE”. The instrument may be used in an ambient humidity where the RH ranges from 0 to 100%. However, avoid long-t
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3. INSTALLATION 2-inch Pipe Mounting 2-inch pipe Mounting fixture Washer Clamp screw Pass the four clamp screws through the mounting fixture, position it on the 2-inch pipe, and then fasten the AXFA11 in place. F0302.EPS Figure 3.2.2 2-inch Pipe Mounting Panel Mounting Unit: mm (approx. inch) Panel cutout Mounting fixture 172 (6.8) R3MAX Washer Screw Clamp screw Fit the AXFA11 into the panel. Then attach the mounting fixture to the AXFA11 using the screw and the washer, and secure the
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4. WIRING 4. WIRING This section describes the wiring on the converter side four-core cables are used for wiring. Keep only. For information relating to wiring on the conduits or flexible tubes watertight using flowtube side, refer to the user’s manual of the AXF sealing tape. Remote Flowtube (IM 01E20D01-01E). • Ground the remote flowtube and the converter separately. • Cover each shield of the signal cable with vinyl WARNING tube or vinyl tape to avoid contact between two The wiring of the
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4. WIRING Unit : mm 6 to 12mm (0.24 to 0.47 in.) for (approx. inch) optional code EP 2 Nominal Cross Section (Single wire): 0.5 to 2.5 mm 2 Nominal Cross Section (Stranded wire): 0.5 to 1.5 mm In case of power cable, Green/Yellow covered conduc- tor shall be used only for connection to PROTECTIVE White Black Red White Black Red CONDUCTOR TERMINALS. Conform to IEC227, IEC245 or equivalent national authorization. On the On the Unit : mm (approx. inch) converter flowtube side side Crimp Terminal
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4. WIRING (1) When there are no particular optional specifications The wiring port is sealed with a cap (not water-proof) that must be removed before wiring. At this time, handle the wiring port in accordance with the JIS C0920-1982 mentioned above. (2) Wiring using waterproof glands Plastic gland IMPORTANT F0406.EPS To prevent water or condensation from entering Figure 4.3.3 Plastic Gland (Optional Code EP) the converter housing, waterproof glands are recommended. Do not over-tighten the glan
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4. WIRING 4.4 Wiring Connections 4.4.1 Removing Cover While supporting the front of the cover with your hand, flip the connecting screw protec- tive cover over, and remove the four connecting screws. F0409.EPS Figure 4.4.1 Removing the Front Cover 4.4.2 Terminal Configuration When the cover is removed, the connection terminals will be visible. The terminal con- figuration labels are attached in the position shown in Figure 4.4.2. I+ I– SO1+ SO2+ COM AL+ AL– C SA A B SB N/– L/+ EX1 EX2 P+ P– S
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4. WIRING 4.4.4 DC Power Connection IMPORTANT When using DC power as the power supply for the Do not wire the terminal without terminal sym- converter, give attention to the following points. bols in terminal layout labels. (1) Connecting Power Supply IMPORTANT 4.4.3 Precautions for Wiring of Power Do not connect power supply with reversed Supply Cables polarities. L/+ terminal: connect + When connecting to the power supply, observe the N/– terminal: connect – points below. Failure to comply w
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4. WIRING 4.4.5 Grounding 4.4.6 Wiring the Remote Flowtube with the AXFA11 Converter CAUTION WARNING Be sure to connect the protective grounding of Before wiring, be sure that the power supply for 2 the AXFA11 with a cable of 2mm or larger cross AXFA11 converter has been turned off to section in oder to avoid electrical shock to the prevent an electrical shock. operators and maintenance engineers and to prevent the influence of external noise. Connect the grounding wire to the mark (100 or (
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4. WIRING (4) Connection with the Remote Flowtube In case of explosion proof type for CENELEC ATEX, (General-Purpose Use, Submersible Type, FM, and CSA certification, connect wiring as shown in Size 1100 to 2600 mm (44 to 104 in.)) the figure below. Connect wiring as shown in the figure below. In case of the explosion proof type, the protective grounding of remote flowtube must be connected to a suitable IS grounding system. In that case, I+ I– SO1+ SO2+ COM AL+ AL– C SA A B SB CURRENT OUT ST
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4. WIRING Pulse Output AXFA11 Protective diode P+ Mechanical Counter PULSE OUT IMPORTANT P- • As this is a transistor contact (insulated type), AXFA11 P+ give attention to proper voltage and polarity when wiring. Electronic Counter Load PULSE OUT P- • Do not apply a voltage larger than 30V DC or a current larger than 0.2A in order to prevent Output voltage: 24 V DC 20% damage to the instrument. • Current: 30 to 150 mA • When input filter constant of the electronic Pulse rate: 0.0001 to 2 pp
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4. WIRING Status Output / Alarm Output Protective diode AXFA11 + AL IMPORTANT Load - AL Since this is an isolated transistor output, be This connection is not possible. careful of voltage and polarity when wiring. Do not apply a voltage larger than 30V DC or a AXFA11 + AL current larger than 0.2A in order to prevent Relay Electromagnetic damage to the instrument. valve - AL This output cannot switch an AC load. To switch External power supply AC power supply an AC load, an intermediate relay
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5. BASIC OPERATING PROCEDURES 5. BASIC OPERATING PROCEDURES (USING THE DISPLAY UNIT) The modification of data settings from the display unit can be carried out using the three setting switches (infrared switches) - namely, the , , and switches. This chapter will provide a description of basic data configuration and the methods to be used with the three setting switches. The AXFA11 can also be operated using a handheld Brain Terminal (BT200) or a HART Communicator. (Please refer to Chapter 7 f
